Class 7 Science Chapter 9 MCQ for 2021-2022
|Contents: ||MCQ Objective Questions with Answers|
MCQ Tests with Answers for Class 7 Science Chapter 9
The microorganisms present in the soil require moisture or water and nutrients for growth and survival. Choose from the options below, the habitat or place where the soil has plenty of water and nutrients:
[C]. Open field
[D]. Cricket ground
Bikash is doing his homework which is given by his teacher. Would you help him to choose the incorrect sentences?
[A]. Clayey soil contains mainly clay having very small particles with very small spaces.
[B]. Clayey soil also contains very little humus.
[C]. Clayey soil has very good water holding capacity due to its very small and tightly packed particles.
[D]. Clayey soil is more fertile than loamy soil.
Paheli wants to see the soil profile at a place. Bujhoo told different situation to her. Choose the incorrect situation told by him:
[A]. Soil profile can be seen at the sides of a road on the hill or river bank.
[B]. Soil profile can be seen while digging a well or foundation of a building.
[C]. Soil profile can be seen by looking at the sides of a recently dug trench or ditch.
[D]. None of the above.
In the last year board examination, Rahul were asked a question where he had to choose the statement which was/were incorrect? Will you be able to answer this question?
[A]. The largest sized rock particles present in the soil are called sand.
[B]. The rock particles in soil which are larger than silt particles form sand.
[C]. The rock particles in soil which are a little larger than clay particles from silt.
[D]. The smallest rock particles present in the soil form clay.
Recently, in a science class test, you are asked a question where you have to say whether the statements are correct or not?
[A]. Sandy soil contains mainly big rock particles whereas clayey soil contains mainly fine rock particles.
[B]. Sandy soil cannot hold much water but clayey soil has very good water holding capacity.
[C]. Sandy soil provides good aeration or air to plant roots but clayey soil is not able to trap enough air for the roots of plants.
[D]. All the above.
Priya is writing some statements, choose the incorrect statement and help her:
[A]. For growing masoor dal for other pulses, loamy soil which drains water easily, is required.
[B]. For growing cotton crop, “sandy loam soil” which drains water easily and can hold plenty of air in it, is most suitable.
[C]. Sandy soil is loose, light and non-sticky whereas clayey soil is compact, heavy and sticky.
[D]. None of the above
In a science quiz competition, Payel are asked a question where she had to choose the statement which was/were incorrect?
[A]. The removal of fertile top-soil from land by wind or water is called soil erosion.
[B]. Soil erosion is caused mainly by the large scale cutting down of forest trees.
[C]. Soil erosion can turn lush green forest into deserts and spoil the environment.
[D]. Soil erosion is not directly or indirectly related to floods.
In a quiz competition, you are asked a question where you have to choose the statement which is/ are incorrect?
[A]. Soil contains air and water or moisture.
[B]. Soil can absorb water or soak up water.
[C]. Soil and water to percolate or pass down through it.
[D]. None of the above
Which of the following cannot prevent soil erosion?
Read the following statements with reference to soil and choose the correct statements from the given below:
[A]. Percolation of water is faster in sandy soils and top soil contains the maximum amount of humus.
[B]. Weathering is a very fast process of soil formation and loamy soil contains only sand and clay.
[C]. Percolation of water is faster in sandy soils and loamy soil contains only sand and clay.
[D]. Weathering is a very fast process of soil formation and percolation of water is faster in sandy soils.
Help and Support
For any query students can send us message or mail, we will respond with in a day. All the solutions and important questions with mcq objective questions are given here to use free. If someone face any problem to access the contents, please feel free to contact us. We hare here to help assist you.