MCQ Questions for Class 7 Science Chapter 9 Soil with Answers

Check the below NCERT MCQ Questions for Class 7 Science Chapter 9 Soil with Answers Pdf free download. MCQ Questions for Class 7 Science with Answers were prepared based on the latest exam pattern. We have Provided Soil Class 7 Science MCQs Questions with Answers to help students understand the concept very well. https://mcqquestions.guru/mcq-questions-for-class-7-science-chapter-9/

You can refer to NCERT Solutions for Class 7 Science Chapter 9 Soil to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.

Soil Class 7 MCQs Questions with Answers

Choose the correct answer:

Class 7 Science Chapter 9 MCQ Question 1.
Which one of the following is a step in the formation of soil?
(a) Earthquakes or volcanic eruptions
(b) Weathering of rocks
(c) Addition of humus
(d) All are involved in the formation of soil

Answer

Answer: (d) All are involved in the formation of soil


Class 7 Science Ch 9 MCQ Question 2.
In which horizon of soil minerals are found?
(a) A
(b) B
(c) C
(d) None of these

Answer

Answer: (b) B


MCQ Questions For Class 7 Science Chapter 9 Question 3.
Which physical property of soil is important to us?
(a) Texture
(b) Water holding capacity
(c) Both of these
(d) None of these

Answer

Answer: (c) Both of these


Soil Class 7 MCQ With Answers Question 4.
Which of the following type of soil will form a colloidal solution when suspended in water?
(a) Clay
(b) Silt
(c) Sand
(d) Gravel

Answer

Answer: (a) Clay


Ncert Class 7 Science Chapter 9 MCQ Question 5.
Which factor influences soil formation?
(a) Climate
(b) Vegetation
(c) Parent rock
(d) All of these

Answer

Answer: (d) All of these


Class 7 Chapter 9 Science MCQ Question 6.
The proportion of sand, silt and clay in a soil sample determines
(a) structure
(b) texture
(c) nutrient potential
(d) fertility level

Answer

Answer: (b) texture


Class 7th Science Chapter 9 MCQ Question 7.
The microorganisms present in the soil require moisture (water) and nutrients for growth and survival. Choose from the options below the habitat (place) where the soil has plenty of water and nutrients.
(a) Desert
(b) Forest
(c) Open field
(d) Cricket ground

Answer

Answer: (b) Forest


Class 7 Science Soil MCQ Question 8.
Availability of water and minerals in the soil for maximum absorption by roots is in the:
(a) B-horizon
(b) C-horizon
(c) A-horizon
(d) Surface of soil

Answer

Answer: (c) A-horizon


MCQ Questions For Class 7 Science With Answers Chapter 9 Question 9.
Soil conservation measures are mainly aimed at protecting which of the following?
(a) Plants
(b) Topsoil
(c) Sub soil
(d) Soil organisms

Answer

Answer: (b) Topsoil
Soil conservation measures mainly aim at protecting topsoil, which is rich in humus and nutrients making it fertile to grow plants.


Class 7 Science Chapter 9 MCQ With Answers Question 10.
Read the following statements with reference to soil:
(i) Weathering is a very fast process of soil formation.
(ii) Percolation of water is faster in sandy soils.
(iii) Loamy soil contains only sand and clay.
(iv) Top soil contains the maximum amount of humus.
Choose the correct statements from the above.
(a) (ii) and (iv)
(b) (i) and (iii)
(c) (ii) and (iii)
(d) (i) and (ii)

Answer

Answer: (a) (ii) and (iv)


Match the following:

Column AColumn B
(i) Silt(a) Particle size less than 0.005 mm
(ii) Gravel(b) Particle size between 0.005 and 0.05 mm
(iii) Sand(c) Particle size between 0.05 and 2.00 mm
(iv) Clay(d) Particle size greater than 2.00 mm
(v) Wheat, gram and paddy(e) Sandy loam soil
(vi) Cotton(f) Clayey soil
(vii) Pots, toys and statues(g) Clay and loam soil
Answer

Answer:

Column AColumn B
(i) Silt(b) Particle size between 0.005 and 0.05 mm
(ii) Gravel(d) Particle size greater than 2.00 mm
(iii) Sand(c) Particle size between 0.05 and 2.00 mm
(iv) Clay(a) Particle size less than 0.005 mm
(v) Wheat, gram and paddy(g) Clay and loam soil
(vi) Cotton(e) Sandy loam soil
(vii) Pots, toys and statues(f) Clayey soil

Fill in the blanks:

1. Soil is formed by ……………… of rocks.

Answer

Answer: weathering


2. A dark soil is usually rich in ………………

Answer

Answer: organic matter/humus


3. The physiochemically active portion of soil is ………………

Answer

Answer: top soil


4. Soil erosion can be stopped by ………………

Answer

Answer: plantation


5. Erosion involves movement of ……………… from one place to other.

Answer

Answer: soil


6. Soil is of different types: clayey, loamy and ………………

Answer

Answer: sandy


7. ……………… is a section through different layers of the soil.

Answer

Answer: Soil profile


8. ……………… soil is used to make pots, toys and statues.

Answer

Answer: Clayey


Choose the true and false statements from the following:

1. Upper portion of soil always contains air.

Answer

Answer: True


2. Percolation rate of water is highest in the clayey soil and least in the sandy soil.

Answer

Answer: False


3. Clay and loam are suitable for growing wheat, gram and paddy.

Answer

Answer: True


4. Cotton is grown in sandy loam soil.

Answer

Answer: True


5. Capacity to hold water is more in sandy soil than clayey soil.

Answer

Answer: False


6. Clayey soil is used for making pots, toys and statues.

Answer

Answer: True


7. Erosion of soil is more severe in areas of high vegetation.

Answer

Answer: False


8. Polythene bags and plastics pollute the soil.

Answer

Answer: True


We hope the given NCERT MCQ Questions for Class 7 Science Chapter 9 Soil with Answers Pdf free download will help you. If you have any queries regarding Soil CBSE Class 7 Science MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon.

MCQ Questions for Class 7 Science Chapter 10 Respiration in Organisms with Answers

Check the below NCERT MCQ Questions for Class 7 Science Chapter 10 Respiration in Organisms with Answers Pdf free download. MCQ Questions for Class 7 Science with Answers were prepared based on the latest exam pattern. We have Provided Respiration in Organisms Class 7 Science MCQs Questions with Answers to help students understand the concept very well. https://mcqquestions.guru/mcq-questions-for-class-7-science-chapter-10/

You can refer to NCERT Solutions for Class 7 Science Chapter 10 Respiration in Organisms to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.

Respiration in Organisms Class 7 MCQs Questions with Answers

Choose the correct answer:

Respiration In Organisms Class 7 MCQ Question 1.
Sometimes when we do heavy exercise, anaerobic respiration takes place in our muscle cells. What is produced during this process?
(a) alcohol and lactic acid
(b) alcohol and CO2
(c) lactic acid and CO2
(d) lactic acid only

Answer

Answer: (d) lactic acid only


Class 7 Science Chapter 10 MCQ Question 2.
Yeast is used in wine and beer industries because it respires.
(a) aerobically producing oxygen
(b) aerobically producing alcohol
(c) anaerobically producing alcohol
(d) anaerobically producing CO2

Answer

Answer: (c) anaerobically producing alcohol


Class 7 Science Ch 10 MCQ Question 3.
During the process of exhalation, the ribs move
(a) down and inwards
(b) up and inwards
(c) down and outwards
(d) up and outward

Answer

Answer: (a) down and inwards


MCQ Questions For Class 7 Science Chapter 10 Question 4.
Breathing is a process that
(i) provides O2 to the body.
(ii) breaks down food to release energy.
(iii) helps the body to get rid of CO2
(iv) produces water in the cells.
Which of the following gives the correct combination of functions of breathing?
(a) (i) and (ii)
(b) (ii) and (iii)
(c) (i) and (iii)
(d) (ii) and (iv)

Answer

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


Class 7 Respiration In Organisms MCQ Question 5.
Which are the gases involved in breathing?
(a) O2 and NO2
(b) O2 and SO2
(c) O2 and O3
(d) O2 and CO2

Answer

Answer: (d) O2 and CO2


Ncert Class 7 Science Chapter 10 MCQ Question 6.
Name the organ of the body in which the blood is oxygenated.
(a) Heart
(b) Lungs
(c) Lever
(d) Pancreas

Answer

Answer: (b) Lungs


MCQ On Respiration In Organisms Class 7 Question 7.
After heavy exercise, due to the accumulation of which substance we get muscle cramps ?
(a) Malaic acid
(b) Fumaric acid
(c) Lipoic acid
(d) Lactic acid

Answer

Answer: (d) Lactic acid


Respiration In Organisms Class 7 MCQ With Answers Question 8.
Yeasts are used in
(a) wine and beer industry
(b) bakery
(c) in both
(d) none of these

Answer

Answer: (a) wine and beer industry


Respiration Class 7 MCQ Question 9.
In the following figure of respiratory system organs labelled by 1 and 2 are respectively:
Respiration In Organisms Class 7 MCQ
(a) Tracheae, Lungs
(b) Lungs, Tracheae
(c) Nasal cavity, Lungs
(d) Lungs, Nasal cavity

Answer

Answer: (a) Tracheae, Lungs


Class 7 Chapter 10 Science MCQ Question 10.
Breathing rate in human beings in normal condition is
(a) 12-15 times in a minute
(b) 15-18 times in a minute
(c) 18-22 times in a minute
(d) 22-25 times in a minute

Answer

Answer: (b) 15-18 times in a minute


Match the following:

Column AColumn B
(i) Unicellular organisms(a) Skin
(ii) Plants(b) Spiracles
(iii) Earthworm, Leech(c) Cell membrane
(iv) Insects(d) Lungs, skin
(v) Frog(e) Stomata
(vi) Mammals(f) Gills
(vii) Fish(g) Lungs
Answer

Answer:

Column AColumn B
(i) Unicellular organisms(c) Cell membrane
(ii) Plants(e) Stomata
(iii) Earthworm, Leech(a) Skin
(iv) Insects(b) Spiracles
(v) Frog(d) Lungs, skin
(vi) Mammals(g) Lungs
(vii) Fish(f) Gills

Fill in the blanks

1. In higher animals, respiration occurs through ……………….

Answer

Answer: lungs


2. The food has ………………. which is released during ……………….

Answer

Answer: stored energy, respiration


3. Yeasts can survive in the absence of air. They are called ……………….

Answer

Answer: anaerobes


4. The accumulation of ………………. causes muscle cramps.

Answer

Answer: lactic acid


5. The taking in of air rich in oxygen into body is called ……………….

Answer

Answer: inhalation


6. Breathing involves the movement of the ………………. and the ……………….

Answer

Answer: diaphragm, rib-cage


Choose the true and false statements from the following:

1. All living organisms respire to get energy from food.

Answer

Answer: True


2. Cellular respiration takes place in the cells of all organisms.

Answer

Answer: True


3. Muscles can also respire anaerobically.

Answer

Answer: True


4. During heavy exercise the breathing rate declines.

Answer

Answer: False


5. Breathing involves the upward movement of the diaphragm.

Answer

Answer: False


6. The percentage of carbon dioxide is higher in exhaled air in comparison to inhaled air.

Answer

Answer: True


7. Roots take up air from the air spaces present between the soil particles.

Answer

Answer: True


We hope the given NCERT MCQ Questions for Class 7 Science Chapter 10 Respiration in Organisms with Answers Pdf free download will help you. If you have any queries regarding Respiration in Organisms CBSE Class 7 Science MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon.

MCQ Questions for Class 7 Science Chapter 8 Winds, Storms and Cyclones with Answers

Check the below NCERT MCQ Questions for Class 7 Science Chapter 8 Winds, Storms and Cyclones with Answers Pdf free download. MCQ Questions for Class 7 Science with Answers were prepared based on the latest exam pattern. We have Provided Winds, Storms and Cyclones Class 7 Science MCQs Questions with Answers to help students understand the concept very well. https://mcqquestions.guru/mcq-questions-for-class-7-science-chapter-8/

You can refer to NCERT Solutions for Class 7 Science Chapter 8 Winds, Storms and Cyclones to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.

Winds, Storms and Cyclones Class 7 MCQs Questions with Answers

Choose the correct answer:

Class 7 Science Chapter 8 MCQ Question 1.
In which year was Orissa hit by a cyclone?
(a) 1999
(b) 2000
(c) 2001
(d) 2004

Answer

Answer: (a) 1999


MCQ Questions For Class 7 Science Chapter 8 Question 2.
Leaves of trees, banner or flags flutter when wind is blowing. Why?
(a) Air occupies space
(b) Air is a mixture of gases
(c) Air exerts pressure
(d) Air is colourless

Answer

Answer: (c) Air exerts pressure


QWind Storm And Cyclone Class 7 MCQ uestion 3.
When we blow over a paper strip it goes upward as shown in the figure given below. why?
Class 7 Science Chapter 8 MCQ
(a) Blowing over the paper reduces the air pressure above the strip
(b) Blowing over the paper increases the air pressure above the strip
(c) None of these is a correct reason
(d) The strip will not go upward at all

Answer

Answer: (a) Blowing over the paper reduces the air pressure above the strip


Class 7 Science Ch 8 MCQ Question 4.
Following are precautions one must take in case a storm is accompanied by lightning.
(i) Do not take shelter under a tree.
(ii) Do not take shelter under an umbrella with a metallic end.
(iii) Do not take shelter in open garages, storage sheds, etc.
(iv) Do not take shelter in a bus in the open.
Which one of these is not correct?
(a) (i)
(b) (ii)
(c) (iii)
(d) (iv)

Answer

Answer: (d) (iv)


MCQ Questions For Class 7 Science With Answers Chapter 8 Question 5.
Which of the following places is most likely to be affected by a cyclone?
(a) Mumbai
(b) Puri
(c) Goa
(d) Porbandar

Answer

Answer: (b) Puri


Winds Storms And Cyclones Class 7 MCQ Question 6.
A fire alarm usually detects smoke in case of fire. Where should such an alarm be placed in a room? (NCERT Exemplar)
(a) Near the door
(b) On the floor
(c) On any wall
(d) On the ceiling

Answer

Answer: (d) On the ceiling


Class 7 Chapter 8 Science MCQ Question 7.
The winds from oceans carry water and bring rain. These winds are called
(a) typhoon
(b) monsoon
(c) cyclone
(d) none of these

Answer

Answer: (b) monsoon


Class 7th Science Chapter 8 MCQ Question 8.
What is a cyclone?
(a) Winds from the oceans carrying water
(b) Very low pressure system with very high speed winds revolving around it
(c) Dark funnel shaped cloud that reaches from the sky to the ground
(d) None of these

Answer

Answer: (b) Very low pressure system with very high speed winds revolving around it


Ch 8 Science Class 7 MCQ Question 9.
Pick the odd one out
(a) Cyclone
(b) Hurricane
(c) Monsoon
(d) Typhoon

Answer

Answer: (c) Monsoon


Science Class 7 Chapter 8 MCQ Question 10.
A cyclone warning can be issued
(a) 48 hours in advance
(b) 12 hours in advance
(c) 6 hours in advance
(d) 24 hours in advance

Answer

Answer: (d) 24 hours in advance


Match the following:

Column AColumn B
(i) Wind(a) Dark funnel shaped cloud
(ii) Monsoon(b) Very low pressure system with very high speed winds revolving around it
(iii) Thunderstorm(c) measures the speed of wind
(iv) Cyclone(d) develops in India very frequently
(v) Tornado(e) Moving air
(vi) Anemometer(f) Winds carrying water
Answer

Answer:

Column AColumn B
(i) Wind(e) Moving air
(ii) Monsoon(f) Winds carrying water
(iii) Thunderstorm(d) develops in India very frequently
(iv) Cyclone(b) Very low pressure system with very high speed winds revolving around it
(v) Tornado(a) Dark funnel shaped cloud
(vi) Anemometer(c) measures the speed of wind

Fill in the blanks:

1. Moving ………………… is called a wind.

Answer

Answer: air


2. Air exerts …………………

Answer

Answer: pressure


3. Increased wind speed is accompanied by ………………… air pressure.

Answer

Answer: reduced


4. The warm air is ………………… than cold air.

Answer

Answer: lighter


5. Wind currents are generated due to ………………… heating on the earth.

Answer

Answer: uneven


6. Very pressure system with very ………………… speed winds revolving around it is called a cyclone.

Answer

Answer: low,high


7. A dark funnel shaped ………………… that reaches from the sky to the ground is called a tornado.

Answer

Answer: cloud


8. ………………… and ………………… have made possible to issue a cyclone alert, i.e., 48 hours in advance.

Answer

Answer: Satellites, radars


Choose the true and false statements from the following:

1. Air around us exerts pressure.

Answer

Answer: True


2. Air contracts on heating and expands on cooling.

Answer

Answer: False


3. As cool air rises air pressure at that place is reduced and the warmer air moves to that place.

Answer

Answer: False


4. Winds carrying water vapours bring rains.

Answer

Answer: True


5. High speed winds and air pressure differences can cause cyclones.

Answer

Answer: True


6. Cyclones are beneficials to the people living in coastal areas.

Answer

Answer: False


7. Tornadoes are very frequent in our country.

Answer

Answer: False


8. It has become easier to monitor cyclones with the help of advanced technology like satellites and radars.

Answer

Answer: True


We hope the given NCERT MCQ Questions for Class 7 Science Chapter 8 Winds, Storms and Cyclones with Answers Pdf free download will help you. If you have any queries regarding Winds, Storms and Cyclones CBSE Class 7 Science MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon.

MCQ Questions for Class 7 Science Chapter 7 Weather, Climate and Adaptations of Animals to Climate with Answers

Check the below NCERT MCQ Questions for Class 7 Science Chapter 7 Weather, Climate and Adaptations of Animals to Climate with Answers Pdf free download. MCQ Questions for Class 7 Science with Answers were prepared based on the latest exam pattern. We have Provided Weather, Climate and Adaptations of Animals to Climate Class 7 Science MCQs Questions with Answers to help students understand the concept very well. https://mcqquestions.guru/mcq-questions-for-class-7-science-chapter-7/

You can refer to NCERT Solutions for Class 7 Science Chapter 7 Weather, Climate and Adaptations of Animals to Climate to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.

Weather, Climate and Adaptations of Animals to Climate Class 7 MCQs Questions with Answers

Choose the correct answer:

Class 7 Science Chapter 7 MCQ Question 1.
Which among the following is generally not predicted in a daily weather report?
(a) Temperature
(b) Pressure
(c) Humidity
(d) Rainfall

Answer

Answer: (b) Pressure


Weather Climate And Adaptation Class 7 MCQ Question 2.
Weather changes
(a) week after week
(b) day after day
(c) within a short period
(d) in any of the above time period

Answer

Answer: (d) in any of the above time period


MCQ Questions For Class 7 Science Chapter 7 Question 3.
Rainfall is measured by
(a) rain gauge
(b) water level increase in ponds
(c) water level increase in water table
(d) none of these

Answer

Answer: (a) rain gauge


Class 7 Science Ch 7 MCQ Question 4.
Given below are some adaptive features of animals:
(i) Layer of fat under the skin
(ii) Long, curved and sharp claws
(iii) Slippery body
(iv) Thick white fur
Which of them are the adaptive features of a polar bear?
(a) (i) only
(b) (i) and (ii) only
(c) (i), (ii) and (iii) only
(d) (i), (ii) and (iv) only

Answer

Answer: (d) (i), (ii) and (iv) only


Class 7 Chapter 7 Science MCQ Question 5.
Which of the following statement is incorrect for penguins?
(a) They huddle together
(b) They cannot swim
(c) They have webbed feet
(d) They have streamlined body

Answer

Answer: (b) They cannot swim


Class 7th Science Chapter 7 MCQ Question 6.
Read the following environmental conditions of tropical rain forests:
(i) Hot and humid climate
(ii) Unequal lengths of day and night
(iii) Abundant rain fall
(iv) Abundant light and moisture
Identify the conditions from the above list that are responsible for the presence of large number of plants and animals in tropical rain forests.
(a) (i) and (ii)
(b) (i) and (iii)
(c) (i), (iii) and (iv)
(d) (ii) and (iv)

Answer

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


Science Class 7 Chapter 7 MCQ Question 7.
The coldest region on earth is the:
(a) polar region
(b) tropical region
(c) temperate region
(d) coastal region

Answer

Answer: (a) polar region


Ch 7 Science Class 7 MCQ Question 8.
Choose the odd one from the following options:
(a) Thick layer of fat under the skin
(b) White fur
(c) Long grasping tail
(d) Wide and large feet with sharp claws

Answer

Answer: (c) Long grasping tail


Weather, Climate And Adaptation Class 7 MCQ Question 9.
Which of the following is not an adaptive feature in polar bear?
(a) White fur
(b) Strong sense of smell
(c) Long curved and sharp claws
(d) Long tail

Answer

Answer: (d) Long tail


Class 7 Ch 7 Science MCQ Question 10.
Which is the characteristic feature of tropical rainforests?
(a) Hot and humid climate
(b) Enormous number and variety of animals
(c) Competition for food and shelter
(d) All of these

Answer

Answer: (d) All of these


Match the following:

Column AColumn B
(i) Polar bear(a) Trunk and tusks
(ii) Penguins(b) Long, large beak
(iii) Birds(c) Long tail
(iv) Red-eyed frog(d) Silver-white mane
(v) Toucan(e) Sticky pads on its feet
(vi) Lion-tailed macaque(f) Long curved and strong claws
(vii) Elephant(g) Migrate to warmer region
(viii) New world monkey(h) Feet have web
Answer

Answer:

Column AColumn B
(i) Polar bear(f) Long curved and strong claws
(ii) Penguins(h) Feet have web
(iii) Birds(g) Migrate to warmer region
(iv) Red-eyed frog(e) Sticky pads on its feet
(v) Toucan(b) Long, large beak
(vi) Lion-tailed macaque(d) Silver-white mane
(vii) Elephant(a) Trunk and tusks
(viii) New world monkey(c) Long tail

Fill in the blanks:

1. The maximum temperature of the day occurs generally in the ………………….

Answer

Answer: afternoon


2. In winters the temperature of polar regions can be as low as ………………….

Answer

Answer: 37°C


3. …………………. have white fur. It protects them from predators.

Answer

Answer: Polar bears


4. Like polar bears …………………. are also good swimmers.

Answer

Answer: penguins


5. …………………. must remain warm to survive. They migrate to …………………. regions when winter sets in.

Answer

Answer: Birds,warmer


6. Red-eyed frog lives on ………………….

Answer

Answer: trees


7. …………………. possesses a long, large beak.

Answer

Answer: Toucan


8. Elephant uses its …………………. as a nose.

Answer

Answer: trunk


Choose the true and false statements from the following:

1. Weather can vary over very short periods of time.

Answer

Answer: True


2. In Rajasthan typical desert climate is found.

Answer

Answer: True


3. All the changes in the weather are. driven by the moon.

Answer

Answer: False


4. The polar regions are very cold throughout the year.

Answer

Answer: True


5. A layer of fat under skin is an adaptation against extremely hot climate.

Answer

Answer: False


6. Migration is a mean to escape the harsh, cold conditions.

Answer

Answer: True


7. Tusks of the elephant are the modified teeth.

Answer

Answer: True


8. Lion-tailed macaque feeds mainly on fruits.

Answer

Answer: True


We hope the given NCERT MCQ Questions for Class 7 Science Chapter 7 Weather, Climate and Adaptations of Animals to Climate with Answers Pdf free download will help you. If you have any queries regarding Weather, Climate and Adaptations of Animals to Climate CBSE Class 7 Science MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon.

MCQ Questions for Class 7 Science Chapter 6 Physical and Chemical Changes with Answers

Check the below NCERT MCQ Questions for Class 7 Science Chapter 6 Physical and Chemical Changes with Answers Pdf free download. MCQ Questions for Class 7 Science with Answers were prepared based on the latest exam pattern. We have Provided Physical and Chemical Changes Class 7 Science MCQs Questions with Answers to help students understand the concept very well. https://mcqquestions.guru/mcq-questions-for-class-7-science-chapter-6/

You can refer to NCERT Solutions for Class 7 Science Chapter 6 Physical and Chemical Changes to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.

Physical and Chemical Changes Class 7 MCQs Questions with Answers

Choose the correct answer:

Class 7 Science Chapter 6 MCQ Question 1.
In which type of change a new substance is formed?
(a) In physical change
(b) In chemical change
(c) In both (a) and (b)
(d) In neither of these

Answer

Answer: (b) In chemical change


Physical And Chemical Changes Class 7 MCQ Question 2.
Which among the following is a physical change?
(a) Cutting a log of wood in small pieces
(b) Burning of wood
(c) Ripening of fruit
(d) Cooking of food

Answer

Answer: (a) Cutting a log of wood in small pieces


MCQ Questions For Class 7 Science Chapter 6 Question 3.
Which of the following is a chemical change?
(a) Bursting of a fire cracker
(b) Germination of seed
(c) Coal formation from buried trees
(d) All of these

Answer

Answer: (d) All of these


Class 7 Science Ch 6 MCQ Question 4.
Which is a method to prevent rust?
(a) Crystallization
(b) Sedimentation
(c) Galvanisation
(d) None of these

Answer

Answer: (c) Galvanisation


Ncert Class 7 Science Chapter 6 MCQ Question 5.
How crystal of pure substances are obtained?
(a) By crystallization
(b) By chromatography
(c) By peptization
(d) By all these methods

Answer

Answer: (a) By crystallization


Physical And Chemical Changes MCQ Class 7 Question 6.
What is the formula of rust?
(a) Fe2O3
(b) Fe3O4
(c) FeO
(d) None of these

Answer

Answer: (a) Fe2O3


Class 7th Science Chapter 6 MCQ Question 7.
What will happen if carbon dioxide gas is passed through lime water ?
(a) Calcium carbonate is formed
(b) The lime water turns milky
(c) Both of these
(d) None of these

Answer

Answer: (c) Both of these


Class 7 Chapter 6 Science MCQ Question 8.
Iron pillar near the Qutub Minar in Delhi is famous for the following facts. Which of these facts is responsible for its long stability?
(a) It is more than 7 metres high
(b) It weighs about 6000 kg
(c) It was built more than 1600 years ago
(d) It has not rusted after such a long period

Answer

Answer: (d) It has not rusted after such a long period


Science Class 7 Chapter 6 MCQ Question 9.
Galvanisation is a process used to prevent the rusting of which of the following?
(a) Iron
(b) Zinc
(c) Aluminium
(d) Copper

Answer

Answer: (a) Iron


Class 7 Physical And Chemical Changes MCQ Question 10.
Paheli’s mother made a concentrated sugar syrup by dissolving sugar in hot water. On cooling, crystals of sugar got separated. This indicates a:
(a) physical change that can be reversed
(b) chemical change that can be reversed
(c) physical change that cannot be reversed
(d) chemical change that cannot be reversed

Answer

Answer: (a) physical change that can be reversed


Match the following:

Column AColumn B
(i) Rust(а) Calcium hydroxide (Ca(OH) 2)
(ii) Vinegar(b) Ferric oxide (Fe2O3)
(iii) Baking soda(c) Copper sulphate (CuSO4)
(iv) Lime water(d) Acetic acid (CH3COOH)
(v) Neela thotha(e) Sodium hydrogen carbonate (NaHCO3)
Answer

Answer:

Column AColumn B
(i) Rust(b) Ferric oxide (Fe2O3)
(ii) Vinegar(d) Acetic acid (CH3COOH)
(iii) Baking soda(e) Sodium hydrogen carbonate (NaHCO3)
(iv) Lime water(а) Calcium hydroxide (Ca(OH) 2)
(v) Neela thotha(c) Copper sulphate (CuSO4)

Fill in the blanks:

1. Changes that lead to the formation of new substances are called ………………….

Answer

Answer: chemical changes


2. Melting of candle wax is a change but its burning is a …………………. change.

Answer

Answer: physical, chemical


3. Energy is …………………. in the formation of curd from milk.

Answer

Answer: evolved


4. A brown layer formed when an iron article is left exposed in an open area is called ………………….

Answer

Answer: rust


5. The brown layer deposited on an iron nail dipped in copper sulphate solution is due to ………………….

Answer

Answer: copper metal


6. Large crystals of pure substance are obtained by ………………….

Answer

Answer: crystallisation


Choose the true and false statements from the following:

1. The cooking of rice is a physical change.

Answer

Answer: False


2. When you cut an apple with knife interactions between the apple and the knife take place.

Answer

Answer: True


3. When catechu (kaththa) is applied on lime while making a pan (bettle) a chemical change takes place.

Answer

Answer: True


4. Eruption of volcano is a reversible change.

Answer

Answer: False


5. Formation of clouds is a reversible change.

Answer

Answer: True


6. The salt obtained by evaporation is pure.

Answer

Answer: False


7. Both oxygen and water are essential for rusting.

Answer

Answer: True


8. In chemical changes new substances are produced.

Answer

Answer: True


We hope the given NCERT MCQ Questions for Class 7 Science Chapter 6 Physical and Chemical Changes with Answers Pdf free download will help you. If you have any queries regarding Physical and Chemical Changes CBSE Class 7 Science MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon.