Prasanna

Check the below NCERT MCQ Questions for Class 10 Science Chapter 16 Management of Natural Resources with Answers Pdf free download. MCQ Questions for Class 10 Science with Answers were prepared based on the latest exam pattern. We have Provided Management of Natural Resources Class 10 Science MCQs Questions with Answers to help students understand the concept very well. https://mcqquestions.guru/ncert-solutions-for-class-10-science-chapter-16/

You can refer to NCERT Solutions for Class 10 Science Chapter 16 Management of Natural Resources to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.

Management of Natural Resources Class 10 MCQs Questions with Answers

Management Of Natural Resources Class 10 MCQ Question 1.
The better way to assess the pollution level of a water body is to calculate the:
(a) Nutrient level
(b) Number of organisms
(c) Coliform count
(d) Pesticide level.

Answer

Answer: (c) Coliform count

---

Class 10 Science Chapter 16 MCQ Question 2.
The purpose of rainwater harvesting is to:
(a) use it for irrigation
(b) culture fishes
(c) use it for washing ears
(d) recharge ground water

Answer

Answer: (d) recharge ground water

---

Class 10 Science Chapter 16 MCQ With Answers Question 3.
‘Kulhs’ the ancient water harvesting structure were made in
(a) Manipur
(b) Bihar
(c) Himachal Pradesh
(d) Uttar Pradesh

Answer

Answer: (c) Himachal Pradesh

---

Natural Resources Class 10 MCQ Question 4.
The three R’s that will help us to conserve natural resources for long term use are
(a) recycle, regenerate, reuse
(b) reduce, regenerate, reuse
(c) reduce, reuse, redistribute
(d) reduce, recycle, reuse

Answer

Answer: (d) reduce, recycle, reuse

---

Sustainable Management Of Natural Resources Class 10 MCQ Question 5.
Amrita Devi Bishnoi sacrificed her life to protect the
(a) Palm trees
(b) Khejri trees
(c) Sal trees
(d) Teakwood trees.

Answer

Answer: (b) Khejri trees

---

Ch 16 Science Class 10 MCQ Question 6.
Khadins, bundhis, ahars and kattas are ancient structures built for the purpose of:
(a) store grains
(b) conserve soil
(c) water harvesting
(d) conserve wildlife.

Answer

Answer: (c) water harvesting

---

Chapter 16 Science Class 10 MCQ Question 7.
The Tehri Dam is constructed on River
(a) Yamuna
(b) Bhagirathi
(c) Ravi
(d) Sutlej

Answer

Answer: (b) Bhagirathi

---

Management Of Natural Resources Class 10 MCQ Questions And Answers Question 8.
The degraded Arabari forests were revived by the efforts of
(a) A.K. Chatterjee
(b) A.K. Baneijee
(c) Sunder Lai Bahuguna
(d) Amrita Devi

Answer

Answer: (b) A.K. Baneijee

---

Sustainable Management Of Natural Resources Class 10 MCQ With Answers Question 9.
Which plan has been started by government to control pollution of Ganga?
(a) Ganga Action Plan
(b) Ganga Revival Plan
(c) Swachh Jal Abhiyan
(d) Ganga Restoration Plan

Answer

Answer: (a) Ganga Action Plan

---

MCQ Questions For Class 10 Science Chapter 16 Question 10.
Which pH range is most suitable for life of fresh water plants and animals?
(a) 6.5 – 7.5
(b) 2.0 – 3.5
(c) 3.5 – 7.0
(d) 9.0 – 10.5

Answer

Answer: (a) 6.5 – 7.5

---

Management Of Natural Resources MCQ Question 11.
The most appropriate definition of a natural resource is that it is a substance/commodity that is
(a) present only on land
(b) a gift of nature which is very useful to mankind
(c) a man-made substance placed in nature
(d) available only in the forest

Answer

Answer: (b) a gift of nature which is very useful to mankind

---

MCQ On Management Of Natural Resources Class 10 Question 12.
The main cause for abundant coliform bacteria in the river Ganga is
(a) disposal of unbumt corpses into water
(b) discharge of effluents from electroplating industries
(c) washing of clothes
(d) immersion of ashes

Answer

Answer: (a) disposal of unbumt corpses into water

---

MCQ Questions For Class 10 Science Management Of Natural Resources Question 13.
Among the statements given below select the ones that correctly describe the concept of sustainable development
(i) Planned growth with minimum damage to the environment
(ii) Growth irrespective of the extent of damage caused to the environment
(iii) Stopping all developmental work to conserve the environment
(iv) Growth that is acceptable to all the stakeholders
(a) (i) and (iv)
(b) (ii) and (iii)
(c) (ii) and (iv)
(d) (iii) only

Answer

Answer: (a) (i) and (iv)

---

MCQ On Management Of Natural Resources Question 14.
In our country, there are attempts to increase the height of several existing dams like Tehri and Almati, dams across Narmada. Choose the correct statements among the following that are a consequence of raising the height of dams
(i) Terrestrial flora and fauna of the area is destroyed completely
(ii) Dislocation of people and domestic animals living in the area
(iii) Valuable agricultural land may be permanently lost
(iv) It will generate permanent employment for people
(a) (i) and (ii)
(b) (i), (ii) and (iii)
(c) (ii) and (iv)
(d) (i), (iii) and (iv)

Answer

Answer: (b) (i), (ii) and (iii)

---

Class 10 Management Of Natural Resources MCQ Question 15.
Select the incorrect statement.
(a) Economic development is linked to environmental conservation
(b) Sustainable development encourages development for current generation and conservation of resources for future generations
(c) Sustainable development does not consider the view points of stakeholders
(d) Sustainable development is a long planned and persistent development

Answer

Answer: (c) Sustainable development does not consider the view points of stakeholders

---

Class 10 Science Ch 16 MCQ Question 16.
Pick the right combination of terms which has no fossil fuel.
(a) Wind, ocean and coal
(b) Kerosene, wind and tide
(c) Wind, wood, sun
(d) Petroleum, wood, sun

Answer

Answer: (c) Wind, wood, sun

---

MCQ On Sustainable Management Of Natural Resources Question 17.
Select the eco-friendly activity among the following:
(a) Using car for transportation
(b) Using polybags for shopping
(c) Using dyes for colouring clothes
(d) Using windmills to generate power for irrigation

Answer

Answer: (d) Using windmills to generate power for irrigation

---

Natural Resources MCQ Class 10 Question 18.
A successful forest conservation strategy should involve
(a) protection of animals at the highest trophic level
(b) protection of only consumers
(c) protection of only herbivores
(d) comprehensive programme to protect all the physical and biological components

Answer

Answer: (d) comprehensive programme to protect all the physical and biological components

---

Question 19.
Arabari forests of Bengal is dominated by
(a) Teak
(b) Sal
(c) Bamboo
(d) Mangrove

Answer

Answer: (b) Sal

---

Fill in the blanks

1. Loss of diversity may lead to a loss of ………….. stability.

Answer

Answer: Ecological

---

2. ………….. are ‘biodiversity hot spots’.

Answer

Answer: Forests

---

3. Surangams in ………….. and ………….. in Karnataka are some of the ancient water harvesting methods.

Answer

Answer: Kerala, Kattas

---

4. The ………….. of water can be checked using universal indicator.

Answer

Answer: pH

---

5. The concept of ………….. encourages judicious use of resources for current basic human needs, while preserving them for the needs of future generations.

Answer

Answer: sustainable development

---

6. The management of natural resources requires a ………….. perspective so that they cater to the needs of the generations to come.

Answer

Answer: long-term

---

7. Pollution due to mining is caused by the large amount of ………….. which is discarded for every tonne of metal extracted.

Answer

Answer: slag

---

8. Amrita Devi Bishnoi sacrificed her life for protection of ………….. trees in Khejarli village.

Answer

Answer: Khejri

---

9. The movement called ………….. originated from a remote village called Rani in Garhwal for conservation of forests.

Answer

Answer: Chipko Andolan

---

10. Due to the efforts of forest officer ………….. villagers were involved in the protection of 1, 272 hectares of badly degraded ………….. forest in the Arabari forest range.

Answer

Answer: A.K. Baneijee, Sal

---

Answer the one word

1. Name the three R’s which help to conserve natural resources.

Answer

Answer: Reduce, Recycle, Reuse

---

2. Name the movement started in Garhwal Himalayas to conserve forests.

Answer

Answer: Chipko movement

---

3. What is the practice of growing and cultivation of trees called?

Answer

Answer: Silviculture

---

4. Name the traditional water harvesting systems of Himachal Pradesh and Tamilnadu.

Answer

Answer: Kulhs, Eris

---

5. Which trees were replenished by efforts of local people of Arabari forest range?

Answer

Answer: Sal

---

6. Which indicator is used to test pH levels of all kinds of water?

Answer

Answer: Universal indicator

---

7. Which places are called as the “biodiversity hot spots’?

Answer

Answer: Forests

---

8. What is the use of tendu leaves?

Answer

Answer: Making bidis

---

9. Give the term which denotes the variety of life forms present on Earth.

Answer

Answer: Biodiversity

---

10. Name the trees for whose protection Amrita Devi Bishnoi sacrificed her life.

Answer

Answer: Khejri

---

Match the following columns

Column I	Column II
(i) Khadins	(a) Fossil fuel
(ii) Cow dung	(b) Bihar
(iii) Universal Indicator	(c) Biomass
(iv) Ahars	(d) pH
(v) Coal	(e) Rajasthan
(vi) Flooded gullies	(f) Bhagirathi
(vii) Tehri dam	(g) Check dams
(viii) Coliform	(h) Pine, teak
(ix) Salts for huts	(i) Water contamination
(x) Monoculture	(j) Bamboo

Answer

Answer:

Column I	Column II
(i) Khadins	(e) Rajasthan
(ii) Cow dung	(c) Biomass
(iii) Universal Indicator	(d) pH
(iv) Ahars	(b) Bihar
(v) Coal	(a) Fossil fuel
(vi) Flooded gullies	(g) Check dams
(vii) Tehri dam	(f) Bhagirathi
(viii) Coliform	(i) Water contamination
(ix) Salts for huts	(j) Bamboo
(x) Monoculture	(h) Pine, teak

---

Crossword

Across:
3. Water harvesting system of Maharashtra [4]
5. A kind of water harvesting system [5]
6. Coal and petroleum are this type of fuel [6]
7. A water harvesting system in Tamilnadu [4]
8. Wood used as building material [6]
Down:
1. They help to generate electricity [4]
2. A water harvesting system Used in Bihar [4]
3. A dam on river Bhagirathi [5]
4. Forests revived in Arabari range [3]
6. They are the biodiversity hot spots [6]

Answer

Answer:
Across:
3. Tals
5. Ahar
6. Fossil
7. Erssal
8. Timber

Down:
1. Dams
2. Pynes
3. Tehri
4. Sal
6. Forest

---

We hope the given NCERT MCQ Questions for Class 10 Science Chapter 16 Management of Natural Resources with Answers Pdf free download will help you. If you have any queries regarding Management of Natural Resources CBSE Class 10 Science MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon.

Check the below NCERT MCQ Questions for Class 10 Science Chapter 14 Sources of Energy with Answers Pdf free download. MCQ Questions for Class 10 Science with Answers were prepared based on the latest exam pattern. We have Provided Sources of Energy Class 10 Science MCQs Questions with Answers to help students understand the concept very well. https://mcqquestions.guru/mcq-questions-for-class-10-science-chapter-14/

You can refer to NCERT Solutions for Class 10 Science Chapter 14 Sources of Energy to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.

Sources of Energy Class 10 MCQs Questions with Answers

Sources Of Energy Class 10 MCQ Question 1.
Which of the following is a non-renewable source of energy?
(a) Wood
(b) Sun
(c) Fossil fuels
(d) Wind

Answer

Answer: (c) Fossil fuels

---

Towards Green Energy Class 10 MCQ Question 2.
Acid rain happens because
(a) Sun heats up the upper layer of the atmosphere
(b) burning of fossil fuels releases oxides of carbon, nitrogen and sulphur in the atmosphere
(c) electrical charges are produced due to friction amongst clouds
(d) earth atmosphere contains acids

Answer

Answer: (b) burning of fossil fuels releases oxides of carbon, nitrogen and sulphur in the atmosphere

---

MCQ On Sources Of Energy Question 3.
Fuel used in thermal power plants is
(a) water
(b) uranium
(c) biomass
(d) fossil fuels

Answer

Answer: (d) fossil fuels

---

Source Of Energy Class 10 MCQ Question 4.
In a hydro power plant
(a) potential energy possessed by stored water is converted into electricity
(b) kinetic energy possessed by stored water is converted into potential energy
(c) electricity is extracted from water
(d) water is converted into steam to produce electricity

Answer

Answer: (a) potential energy possessed by stored water is converted into electricity

---

Class 10 Science Chapter 14 MCQ Question 5.
Which is the ultimate source of energy?
(a) Water
(b) Sun
(c) Uranium
(d) Fossil fuels

Answer

Answer: (b) Sun

---

MCQs On Sources Of Energy Question 6.
Which one of the following forms of energy leads to least environmental pollution in the process of its harnessing and utilisation?
(a) Nuclear energy
(b) Thermal energy
(c) Solar energy
(d) Geothermal energy

Answer

Answer: (c) Solar energy

---

Sources Of Energy MCQ Question 7.
Ocean thermal energy is due to
(a) energy stored by waves in the ocean
(b) temperature difference at different levels in the ocean
(c) pressure difference at different levels in the ocean
(d) tides arising out in the ocean

Answer

Answer: (b) temperature difference at different levels in the ocean

---

Source Of Energy MCQ Question 8.
The major problem in harnessing nuclear energy is how to
(a) split nuclei
(b) sustain the reaction
(c) dispose off spent fuel safely
(d) convert nuclear energy into electrical energy

Answer

Answer: (c) dispose off spent fuel safely

---

MCQ Of Sources Of Energy Class 10 Question 9.
Which part of the solar cooker is responsible for greenhouse effect?
(a) Coating with black colour inside the box
(b) Mirror
(c) Glass sheet
(d) Outer cover of the solar cooker

Answer

Answer: (c) Glass sheet

---

Ch 14 Science Class 10 MCQ Question 10.
The main constituent of biogas is
(a) methane
(b) carbon dioxide
(c) hydrogen
(d) hydrogen sulphide

Answer

Answer: (a) methane

---

Sources Of Energy MCQ Class 10 Question 11.
The power generated in a windmill
(a) is more in rainy season since damp air would mean more air mass hitting the blades
(b) depends on the height of the tower
(c) depends on wind velocity
(d) can be increased by planting tall trees close to the tower

Answer

Answer: (c) depends on wind velocity

---

MCQ Of Chapter 14 Science Class 10 Question 12.
Choose the correct statement.
(a) Sun is considered as an inexhaustible source of energy
(b) There is infinite storage of fossil fuel inside the Earth
(c) Hydro and wind energy plants are non polluting sources of energy
(d) Waste from a nuclear power plant can be easily disposed off

Answer

Answer: (a) Sun is considered as an inexhaustible source of energy

---

MCQ Questions On Sources Of Energy Class 10 Question 13.
In a hydroelectric power plant more electrical power can be generated if water falls from a greater height because
(a) its temperature increases
(b) larger amount of potential energy is converted into kinetic energy
(c) the electricity content of water increases with height
(d) more water molecules dissociate into ions

Answer

Answer: (b) larger amount of potential energy is converted into kinetic energy

---

Chapter 14 Science Class 10 MCQ Question 14.
Choose the incorrect statement regarding wind power.
(a) It is expected to harness wind power to minimum in open space.
(b) The potential energy content of wind blowing at high altitudes is the source of wind power.
(c) Wind hitting the blades of a windmill causes them to rotate. The rotation thus achieved can be utilised further.
(d) One possible method of utilising the energy of rotational motion of the blades of a windmill is to run the turbine of an electric generator.

Answer

Answer: (b) The potential energy content of wind blowing at high altitudes is the source of wind power.

---

Class 10 Sources Of Energy MCQ Question 15.
Choose the incorrect statement.
(a) We are encouraged to plant more trees so as to ensure clean environment and also provide biomass fuel.
(b) Gobar gas is produced when crops, vegetable wastes, etc., decompose in the absence of oxygen.
(c) The main ingredient of biogas is ethane and it gives a lot of smoke and also produces a lot of residual ash.
(d) Biomass is a renewable source of energy.

Answer

Answer: (c) The main ingredient of biogas is ethane and it gives a lot of smoke and also produces a lot of residual ash.

---

Fill in the blanks

1. We need to conserve fossil fuels because these are …………… sources of energy.

Answer

Answer: non-renewable

---

2. In a thermal power plant …………… are burnt to heat water and produce steam.

Answer

Answer: fossil fuels

---

3. A …………… consists of a structure similar to a large electric fan erected at some height on a rigid support.

Answer

Answer: windmill

---

4. …………… , …………… breakdown complex compounds in the cow dung slurry in a biogas plant to generate biogas.

Answer

Answer: Anaerobic microorganisms

---

5. A …………… surface absorbs more heat as compared to a white or a reflecting surface under identical conditions.

Answer

Answer: black

---

6. …………… are the upper regions in the Earth’s crust where hot molten rocks are found.

Answer

Answer: Hot spots

---

Match the following columns

Column I	Column II
1. Thermal power plant	(a) Methane
2. Hydro power plant	(b) Nuclear fission
3. Major component of biogas	(c) Use coal, petroleum and natural gas to produce thermal electricity
4. Device which converts solar energy into electricity	(d) Solar cell
5. Nuclear power plant	(e) Dams are constructed for power generation

Answer

Answer:

Column I	Column II
1. Thermal power plant	(c) Use coal, petroleum and natural gas to produce thermal electricity
2. Hydro power plant	(e) Dams are constructed for power generation
3. Major component of biogas	(a) Methane
4. Device which converts solar energy into electricity	(d) Solar cell
5. Nuclear power plant	(b) Nuclear fission

---

We hope the given NCERT MCQ Questions for Class 10 Science Chapter 14 Sources of Energy with Answers Pdf free download will help you. If you have any queries regarding Sources of Energy CBSE Class 10 Science MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon.

Check the below NCERT MCQ Questions for Class 10 Science Chapter 15 Our Environment with Answers Pdf free download. MCQ Questions for Class 10 Science with Answers were prepared based on the latest exam pattern. We have Provided Our Environment Class 10 Science MCQs Questions with Answers to help students understand the concept very well. https://mcqquestions.guru/mcq-questions-for-class-10-science-chapter-15/

You can refer to NCERT Solutions for Class 10 Science Chapter 15 Our Environment to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.

Our Environment Class 10 MCQs Questions with Answers

Our Environment Class 10 MCQ Question 1.
Which of the following is biodegradable waste?
(a) DDT
(b) Aluminium can
(c) Plastic bag
(d) Cow dung

Answer

Answer: (d) Cow dung

---

Class 10 Science Chapter 15 MCQ Question 2.
Which of the two sets belong to the same trophic level?
(a) Rabbit: Tiger
(b) Vulture : Rat
(c) Grasshopper : Hawk
(d) Frog : Lizard

Answer

Answer: (d) Frog : Lizard

---

Our Environment Class 10 MCQ With Answers Question 3.
In a given food chain if the amount of energy at the fourth trophic level is 6 kJ, what will be the energy available at the producer level?
(a) 6000 kJ
(b) 20 kJ
(c) 60 kJ
(d) 600 kJ

Answer

Answer: (a) 6000 kJ

---

Our Environment MCQ Class 10 Question 4.
Which of the following is the best way for disposal of vegetable and fruit peels?
(a) Landfill
(b) Recycling
(c) Composting
(d) Burning

Answer

Answer: (c) Composting

---

Ch 15 Science Class 10 MCQ Question 5.
The problem caused due to ozone hole is
(a) earthquakes
(b) damage due to UV radiations
(c) chemical pollution
(d) acid rain

Answer

Answer: (b) damage due to UV radiations

---

MCQ On Our Environment Class 10 Question 6.
An ecosystem includes
(a) all living organisms
(b) non-living objects
(c) both living organisms and non-living objects
(d) sometimes living organisms and sometimes non-living objects

Answer

Answer: (c) both living organisms and non-living objects

---

Class 10 Our Environment MCQ Question 7.
Accumulation of non-biodegradable pesticides in the food chain in increasing amount at each higher trophic level is known as
(a) eutrophication
(b) pollution
(c) biomagnification
(d) accumulation

Answer

Answer: (c) biomagnification

---

MCQ Of Our Environment Class 10 Question 8.
In an ecosystem, the 10% of energy available for transfer from one trophic level to the next is in the form of
(a) heat energy
(b) light energy
(c) chemical energy
(d) mechanical energy

Answer

Answer: (c) chemical energy

---

Class 10 Science Ch 15 MCQ Question 9.
Organisms which synthesise carbohydrates from inorganic compounds using radiant energy are called
(a) decomposers
(b) producers
(c) herbivores
(d) carnivores

Answer

Answer: (b) producers

---

Chapter 15 Class 10 Science MCQ Question 10.
Excessive exposure of humans to UV-rays results in
(i) damage to immune system
(ii) damage to lungs
(iii) skin cancer
(iv) peptic ulcers
(a) (i) and (ii)
(b) (ii) and (iv)
(c) (i) and (iii)
(d) (iii) and (iv)

Answer

Answer: (c) (i) and (iii)

---

Chapter 15 Science Class 10 MCQ Question 11.
Organisms of a higher trophic level which feed on several types of organisms belonging to a lower trophic level constitute the
(a) food web
(b) ecological pyramid
(c) ecosystem
(d) food chain

Answer

Answer: (a) food web

---

Environment Class 10 MCQ Question 12.
In the given Figure the various trophic levels are shown in a pyramid. At which trophic level is maximum energy available?

(a) T₄
(b) T₂
(c) T₁
(d) T₃

Answer

Answer: (c) T₁

---

Class 10 Chapter 15 MCQ Science Question 13.
Which group of organisms are not the constituents of a food chain?
(i) Grass, lion, rabbit, wolf
(ii) Plankton, man, fish, grasshopper
(iii) Wolf, grass, snake, tiger
(iv) Frog, snake, eagle, grass, grasshopper
(a) (i) and (iii)
(b) (iii) and (iv)
(c) (ii) and (iii)
(d) (i) and (iv)

Answer

Answer: (c) (ii) and (iii)

---

Class 10 Science Chapter 15 MCQ Online Test Question 14.
The percentage of solar radiation absorbed by all the green plants for the process of photosynthesis is about
(a) 1%
(b) 5%
(c) 8%
(d) 10%

Answer

Answer: (a) 1%

---

MCQ Of Chapter 15 Science Class 10 Question 15.
Which of the statements is incorrect?
(а) All green plants and blue green algae are producers
(b) Green plants get their food from organic compounds
(c) Producers prepare their own food from inorganic compounds
(d) Plants convert solar energy into chemical energy

Answer

Answer: (b) Green plants get their food from organic compounds

---

Question 16.
The decomposers in an ecosystem
(a) convert inorganic material, to simpler forms
(b) convert organic material to inorganic forms
(c) convert inorganic materials into organic compounds
(d) do not breakdown organic compounds

Answer

Answer: (b) convert organic material to inorganic forms

---

Question 17.
Disposable plastic plates should not be used because
(а) they are made of materials with light weight
(b) they are made of toxic materials
(c) they are made of biodegradable materials
(d) they are made of non-biodegradable materials

Answer

Answer: (d) they are made of non-biodegradable materials

---

Question 18.
What will happen if deer is missing in the food chain given below?
Grass → Deer → Tiger
(а) The population of tiger increases
(b) The population of grass decreases
(c) Tiger will start eating grass
(d) The population of tiger decreases and the population of grass increases

Answer

Answer: (d) The population of tiger decreases and the population of grass increases

---

Question 19.
When is the world environment day celebrated?
(a) 16 June
(b) 5 December
(c) 5 June
(d) 5 July

Answer

Answer: (c) 5 June

---

Question 20.
Which of these is a greenhouse gas?
(a) Hydrogen sulphide
(b) Methane
(c) Ozone
(d) Carbon monoxide

Answer

Answer: (b) Methane

---

Question 21.
The transfer of energy in a food chain is always:
(a) Unidirectional
(b) Methane
(c) Bi-directional
(d) Random

Answer

Answer: (a) Unidirectional

---

Question 22.
Which of these organisms are the most important decomposers in an ecosystem?
(a) Algae and fungi
(b) Fungi and bacteria
(c) Algae and bacteria
(d) Bacteria and virus

Answer

Answer: (b) Fungi and bacteria

---

Question 23.
Which of these does not belong to biotic component?
(a) Parasites
(b) Fungi
(c) Bacteria
(d) Soil

Answer

Answer: (d) Soil

---

Fill in the blanks

1. Biodegradable materials persist in the environment as they have a ……………. nature.

Answer

Answer: Inert

---

2. Gardens and crop-fields are ……………. type of ecosystems.

Answer

Answer: artificial

---

3. The amount of energy transferred from a trophic level to the next trophic level is only …………….

Answer

Answer: 10%

---

4. Growth, reproduction etc. of living organisms are affected by the ……………. components of ecosystem.

Answer

Answer: abiotic

---

5. All consumers are directly or indirectly dependent on ……………. for their energy requirements.

Answer

Answer: producers

---

6. A network of food chains is called a …………….

Answer

Answer: food web

---

7. There is always a ……………. flow of energy in a food chain.

Answer

Answer: unidirectional

---

8. The increase in concentration of harmful chemicals at successive trophic levels is called …………….

Answer

Answer: biomagnifications

---

9. Ozone shields the surface of the Earth from ……………. radiation the sun.

Answer

Answer: ultraviolet (UV)

---

10. Forests, ponds and lakes are examples of ……………. type of ecosystems.

Answer

Answer: natural

---

Match the following columns

Column I	Column II
(i) Parasites	(a) Abiotic
(ii) Crop field	(b) bio-degradable
(iii) Synthetic foam	(c) Biotic
(iv) pH	(d) Artificial ecosystem
(v) Forests	(e) Decomposers
(iv) DDT	(f) Scavengers
(vii) Wood	(g) Natural ecosystem
(viii) Fungi	(h) Biomagnification
(ix) Vulture	(i) Non-biodegradable

Answer

Answer:

Column I	Column II
(i) Parasites	(c) Biotic
(ii) Crop field	(d) Artificial ecosystem
(iii) Synthetic foam	(a) Abiotic
(iv) pH	(h) Biomagnification
(v) Forests	(g) Natural ecosystem
(iv) DDT	(i) Non-biodegradable
(vii) Wood	(b) bio-degradable
(viii) Fungi	(e) Decomposers
(ix) Vulture	(f) Scavengers

---

Complete the crossword given below.

Across
4. These are the chemicals used to kill the pests [9]
7. A top carnivore [4]
8. A primary consumer [4]
9. Bacteria do this to the biodegradable waste [9]
10. Protects us from UV rays [5]
Down
1. Vulture is this type of animal [9]
2. Temperature and soil are these kinds of component of ecosystem [7]
3. Predators and parasites belong to this component of ecosystem [6]
5. Term used for a biological community of interacting organisms and their physical environment [9]
6. All living things need it to function [6]

Answer

Answer:
Across:
4. Particide
7. Lion
8. Goat
9. Decompose
10. Ozone

Down:
1. Scavenger
2. Abiotic
3. Biotic
5. Pesticides
6. Energy

---

We hope the given NCERT MCQ Questions for Class 10 Science Chapter 15 Our Environment with Answers Pdf free download will help you. If you have any queries regarding Our Environment CBSE Class 10 Science MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon.

Check the below NCERT MCQ Questions for Class 10 Science Chapter 12 Electricity with Answers Pdf free download. MCQ Questions for Class 10 Science with Answers were prepared based on the latest exam pattern. We have Provided Electricity Class 10 Science MCQs Questions with Answers to help students understand the concept very well. https://mcqquestions.guru/mcq-questions-for-class-10-science-chapter-12/

You can refer to NCERT Solutions for Class 10 Science Chapter 12 Electricity to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.

Electricity Class 10 MCQs Questions with Answers

Electricity Class 10 MCQ Question 1.
Which of the following represents voltage?

Answer

Answer: (a)

---

Electricity MCQ Class 10 Question 2.
Unit of electric power may also be expressed as
(a) volt ampere
(b) kilowatt hour
(c) watt second
(d) Joule second

Answer

Answer: (a) volt ampere

---

Class 10 Electricity MCQ Question 3.
Electrical resistivity of a given metallic wire depends upon
(a) its length
(b) its thickness
(c) its shape
(d) nature of the material

Answer

Answer: (d) nature of the material

---

Electricity Class 10 MCQ With Answers Question 4.
A cell, a resistor, a key and ammeter are arranged as shown in the circuit diagrams of Figure (i), (ii) and (iii). The current recorded in the ammeter will be

(a) maximum in (i)
(b) maximum in (ii)
(c) maximum in (iii)
(d) the same in all the cases

Answer

Answer: (d) the same in all the cases

---

MCQ On Electricity Class 10 Question 5.
The unit of e.m.f. of a cell is
(a) dyne
(b) volt
(c) ampere
(d) joule

Answer

Answer: (b) volt

---

Class 10 Science Chapter 12 MCQ Question 6.
Kilowatt hour is the unit of
(a) power
(b) energy
(c) impulse
(d) force

Answer

Answer: (b) energy

---

Class 10 Science Chapter 12 MCQ With Answers Question 7.
1 kWh is equal to
(a) 3.6 × 10⁶ MJ
(b) 3.6 × 10⁵ MJ
(c) 3.6 × 10² MJ
(d) 3.6 MJ

Answer

Answer: (d) 3.6 MJ

---

MCQ Electricity Class 10 Question 8.
Materials which allow larger currents to flow through them are called
(a) insulators
(b) conductors
(c) semiconductors
(d) alloys

Answer

Answer: (b) conductors

---

Ch 12 Science Class 10 MCQ Question 9.
Conventionally, the direction of the current is taken as
(a) the direction of flow of negative charge
(b) the direction of flow of atoms
(c) the direction of flow of molecules
(d) the direction of flow of positive charge

Answer

Answer: (d) the direction of flow of positive charge

---

Class 10 Science Ch 12 MCQ Question 10.
The unit of specific resistance is
(a) ohm
(b) ohm
(c) ohm-metre
(d) ohm per metre

Answer

Answer: (c) ohm-metre

---

Class 10 Physics Electricity MCQ Question 11.
The slope of voltage (V) versus current (I) is called

(a) resistance
(b) conductance
(c) resistivity
(d) conductivity

Answer

Answer: (a) resistance

---

Class 10 Electricity MCQ Questions Question 12.
The variable resistance is called
(a) resistor
(b) rheostat
(c) open switch
(d) none of these

Answer

Answer: (b) rheostat

---

Electricity Class 10 MCQ Learn Cbse Question 13.
The SI unit of resistance is
(a) ohm m
(b) ohm m¹
(c) ohm
(d) (ohm)^-1

Answer

Answer: (c) ohm

---

MCQs On Electricity Class 10 Question 14.
An electric iron draws a current 4 A when connected to a 220 V mains. Its resistance must be
(a) 1000 Ω
(b) 55 Ω
(c) 44 Ω
(d) None of these

Answer

Answer: (b) 55 Ω

---

Class 10 Science Electricity MCQ Question 15.
The element used almost exclusively for filaments of incandescent lamps
(a) copper
(b) gold
(c) silver
(d) tungsten

Answer

Answer: (d) tungsten

---

Fill In the blanks

1. …………… measures the potential differences between two points of the circuit.

Answer

Answer: Voltmeter

---

2. Ammeter is used to measure the magnitude of …………… through any wire of a circuit.

Answer

Answer: Electric Current

---

3. Electric current flows in the circuit from …………… terminal of cell to the …………… terminal of cell.

Answer

Answer: Positive, Negative

---

4. Copper and aluminium are used for electric transmission lines because both posses …………… resistivity.

Answer

Answer: Low

---

5. The rate at which electric energy is consumed or dissipated is called ……………

Answer

Answer: Electric power

---

6. Presence of chemically inactive gases like argon and …………… prolong the life of the filament.

Answer

Answer: Nitrogen

---

Match the following columns

Column I	Column II
(a) Resistance	(i) Infinite
(b) The rate of flow of charge	(ii) Potential difference
(c) The work done to move a unit charge	(iii) Obstruction to the flow of current from one point to another
(d) Resistance of ideal ammeter	(iv) Watt
(e) Resistance of ideal voltmeter	(v) Electric current
(f) SI unit of electric power	(vi) Zero

Answer

Answer:

Column I	Column II
(a) Resistance	(iii) Obstruction to the flow of current from one point to another
(b) The rate of flow of charge	(v) Electric current
(c) The work done to move a unit charge	(ii) Potential difference
(d) Resistance of ideal ammeter	(vi) Zero
(e) Resistance of ideal voltmeter	(i) Infinite
(f) SI unit of electric power	(iv) Watt

---

Complete the crossword below.

Across
3. Bulb is usually filled with
5. SI unit of current
9. Flow of current in a wire is due to
Down
1. The device which measures current
2. The device which measures potential difference
4. The device which protect electric appliances from high current
6. SI unit of voltage
7. Combination used for household use
8. Commercial unit of energy

Answer

Answer:
Across:
3. Bulb is usually filled with (nitrogen)
5. SI unit of current (ampere)
9. Flow of current in a wire is due to (potential difference)

Down:
1. The device which measures current (ammeter)
2. The device which measures potential difference (voltmeter)
4. The device which protect electric appliances from high current (fuse)
6. SI unit of voltage (volt)
7. Combination used for household use (parallel)
8. Commercial unit of energy (kilowatt hour)

---

We hope the given NCERT MCQ Questions for Class 10 Science Chapter 12 Electricity with Answers Pdf free download will help you. If you have any queries regarding Electricity CBSE Class 10 Science MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon.

Check the below NCERT MCQ Questions for Class 10 Science Chapter 13 Magnetic Effects of Electric Current with Answers Pdf free download. MCQ Questions for Class 10 Science with Answers were prepared based on the latest exam pattern. We have Provided Magnetic Effects of Electric Current Class 10 Science MCQs Questions with Answers to help students understand the concept very well. https://mcqquestions.guru/mcq-questions-for-class-10-science-chapter-13/

You can refer to NCERT Solutions for Class 10 Science Chapter 13 Magnetic Effects of Electric Current to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.

Magnetic Effects of Electric Current Class 10 MCQs Questions with Answers

Magnetic Effect Of Electric Current Class 10 MCQ Question 1.
Choose the incorrect statements from the following regarding magnetic lines of field.
(a) the direction of magnetic field at a point is taken to be the direction in which the north pole of a magnetic compass needle points
(b) magnetic field lines are closed curves
(c) if magnetic field lines are parallel and equidistant, they represent zero field strength
(d) relative strength of magnetic field is shown by the degree of closeness of the field lines.

Answer

Answer: (c) if magnetic field lines are parallel and equidistant, they represent zero field strength

---

Magnetic Effect Of Electric Current MCQ Question 2.
If the key in the arrangement figure given below is taken out (the circuit is made open) and magnetic . field lines are drawn over the horizontal plane ABCD, the lines are

(a) concentric circles
(b) elliptical in shape
(c) straight lines parallel to each other (Due to earth’s magnetic field)
(d) concentric circles near the point O but of elliptical shapes as we go away from it.

Answer

Answer: (c) straight lines parallel to each other (Due to earth’s magnetic field)

---

Class 10 Magnetic Effect Of Electric Current MCQ Question 3.
A circular loop placed in a plane perpendicular to the plane of paper carries a current when the keys is ON. The current as seen from points A and B (in the plane of paper and on the axis of the coil) is anticlockwise and clockwise respectively. The magnetic field lines point from B to A. The N-pole of the resultant magnet is on the faces close to

(a) A
(b) B
(c) A if the current is small, and B if the current is large
(d) B if the current is small and A if the current is large.

Answer

Answer: (a) A

---

MCQ On Magnetic Effect Of Electric Current Question 4.
For a current in a long straight solenoid, N- and S-poles are created at the two ends. Among the following statements, the incorrect statement is
(a) the field lines inside the solenoid are in the form of straight lines which indicates that the magnetic field is the same at all points inside the solenoid
(b) the strong magnetic field produced inside the solenoid can be used to magnetise a piece of magnetic material like soft iron, when placed inside the coil
(c) the pattern of the magnetic field associated with the solenoid is different from the pattern of the magnetic field around a bar magnet
(d) the N- and S-poles exchange position when the direction of current through the solenoid is reversed.

Answer

Answer: (c) the pattern of the magnetic field associated with the solenoid is different from the pattern of the magnetic field around a bar magnet

---

Magnetic Effects Of Electric Current Class 10 MCQ Question 5.
In the arrangement shown in the figure there are two coils wound on a non-conducting cylindrical rod. Initially the key is not inserted. Then the key is inserted and later removed. Then

(a) the deflection in the galvanometer remains zero throughout.
(b) there is a momentary deflection in the galvanometer but it dies out shortly and there is no effect when the keys is removed.
(c) there are momentary galvanometer deflections that die out shortly; the deflections are in the same direction.
(d) there are momentary galvanometer deflections that die out shortly; the deflection are in opposite directions.

Answer

Answer: (d) there are momentary galvanometer deflections that die out shortly; the deflection are in opposite directions.

---

Magnetic Effects Of Electric Current MCQ Question 6.
Choose the incorrect statement
(a) Fleming’s right-hand rule is a simple rule to know the direction of induced current.
(b) The right-hand thumb rule is used to find the direction of magnetic fields due to current carrying conductors.
(c) The difference between the direct and alternating currents is that the current always flows in one direction, whereas the alternating current reverses its direction periodically.
(d) In India, the AC changes direction after every \(\frac{1}{50}\) second.

Answer

Answer: (d) In India, the AC changes direction after every \(\frac{1}{50}\) second.

---

MCQ Of Magnetic Effect Of Electric Current Question 7.
A constant current flows in a horizontal wire in the plane of the paper from east to west as shown in the figure. The direction of magnetic field at a point will be North to South

(a) directly above the wire
(b) directly below the wire
(c) at a point located in the plane of the paper, on the north side of the wire
(d) at a point located in the plane of the paper, on the south side of the wire.

Answer

Answer: (b) directly below the wire

---

Ch 13 Science Class 10 MCQ Question 8.
The strength of magnetic field inside a long current carrying straight solenoid is
(a) more at the ends than at the centre
(b) minimum in the middle
(c) same at all points
(d) found to increase from one end to the other

Answer

Answer: (c) same at all points

---

Magnetism Class 10 MCQ Question 9.
The most important safety method used for protecting home appliances from short circuiting or overloading is by
(a) earthing
(b) use of fuse
(c) use of stabilizers
(d) use of electric meter.

Answer

Answer: (b) use of fuse

---

MCQs On Magnetic Effects Of Electric Current Class 10 Question 10.
Select the incorrect statement
(а) Magnetic field lines are closed curves
(b) No two field lines can cross each other
(c) Field lines can cross each other
(d) The relative strength of the magnetic field is shown by degree of closness of the field lines.

Answer

Answer: (c) Field lines can cross each other

---

Magnetic Effect Of Electric Current MCQs Question 11.
Magnetic field lines around a straight conductor forms a pattern of
(a) concentric circles
(b) concentric ellipse
(c) straight line
(d) square shape.

Answer

Answer: (a) concentric circles

---

Class 10 Science Ch 13 MCQ Question 12.
Electric motor is a device which converts
(a) mechanical energy to electrical energy
(b) electrical energy to mechanical energy
(c) chemical energy to mechanical energy
(d) mechanical energy to light energy.

Answer

Answer: (b) electrical energy to mechanical energy

---

MCQ Questions On Magnetic Effects Of Electric Current Question 13.
The direction of induced current is given by
(a) Fleming’s right hand rule
(b) Fleming’s left hand rule
(c) Right hand thumb rule
(d) Left hand thumb rule.

Answer

Answer: (a) Fleming’s right hand rule

---

MCQs On Magnetic Effect Of Electric Current Question 14.
The insulation colour of earth wire is
(a) blue
(b) red
(c) green
(d) white.

Answer

Answer: (c) green

---

MCQ Of Magnetic Effect Of Electric Current Class 10 Question 15.
In India the potential difference between live wire and neutral wire is
(a) 240 V
(b) 250 V
(c) 280 V
(d) 220 V.

Answer

Answer: (d) 220 V.

---

Fill in the blanks

1. By convention the magnetic field lines emerge from …………… pole and merge at …………… pole.

Answer

Answer: north, south

---

2. A coil of many circular turns of insulated copper wire wrapped closely in shape of a cylinder is called a ……………

Answer

Answer: solenoid

---

3. An electric motor is rotating device that converts …………… energy to …………… energy.

Answer

Answer: electrical, mechanical

---

4. AC generator converts …………… energy into …………… energy.

Answer

Answer: mechanical, electrical

---

5. The difference between the direct current and alternating current is that the direct current flows in …………… direction, whereas the alternating current …………… its direction periodically.

Answer

Answer: one, reverses

---

6. At the centre of current carrying loop the magnetic field appears to be a ……………

Answer

Answer: straight line

---

Match the following columns

Column I	Column II
1. Right hand thumb rule	(а) converts electrical energy into mechanical energy
2. Fleming’s left hand rule	(b) gives the direction of magnetic field around a conductor
3. Fleming’s right hand rule	(c) converts mechanical energy into electrical energy
4. Alternating current	(d) gives the direction of force on current carrying conductor placed in magnetic field
5. Direct current	(e) the direction of current changes periodically
6. Electric motor	(f) gives the direction of induced current
7. Generator	(g) current always flows in one direction.

Answer

Answer:

Column I	Column II
1. Right hand thumb rule	(b) gives the direction of magnetic field around a conductor
2. Fleming’s left hand rule	(d) gives the direction of force on current carrying conductor placed in magnetic field
3. Fleming’s right hand rule	(f) gives the direction of induced current
4. Alternating current	(e) the direction of current changes periodically
5. Direct current	(g) current always flows in one direction.
6. Electric motor	(а) converts electrical energy into mechanical energy
7. Generator	(c) converts mechanical energy into electrical energy

---

Complete the crossword below.

Across
3. Principle of electric generator
6. Magnetic field around a straight conductor
7. The safety device which is used to protect the circuit from short circuiting and overloading
Down
1. The direction of magnetic field produced by a current carrying conductor can be found out by using
2. The current which reverses its direction periodically
4. The device which convert electrical energy into mechanical energy
5. Colour of insulation of live wire

Answer

Answer:
Across:
3. Electromagnetic induction
6. Concentric circles
7. Fuse

Down:
1. Right hand thumb rule
2. Alternating current
4. Electric motor
5. Red

---

We hope the given NCERT MCQ Questions for Class 10 Science Chapter 13 Magnetic Effects of Electric Current with Answers Pdf free download will help you. If you have any queries regarding Magnetic Effects of Electric Current CBSE Class 10 Science MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon.