Sunday 10 November 2013

CBSE Class 7 - Science - CH9 - Soil (MCQs)

Soil
MCQs


Q1: Which of the following soil type is loosely packed with large air spaces?
(a) Sandy Soil
(b) Clayey Soil
(c) Loamy Soil
(d) None of these


Q2: Percolation rate of water is the least in ___________?
(a) Sandy Soil
(b) Clayey Soil
(c) Loamy Soil
(d) None of these


Q3: Lentils (masoor) and other pulses are grown in which of the following soil type?
(a) Sandy Soil
(b) Clayey Soil
(c) Loamy Soil
(d) None of these

Q4: Toys, pots, and statues are made up of which soil type?
(a) Sandy Soil
(b) Clayey Soil
(c) Loamy Soil
(d) None of these


Q5: Which soil layer is made up of small lumps of rocks?
(a) A-horizon
(b) B-horizon
(c) C-horizon
(d) Bedrock


Q6: In addition to the rock particles, the soil contains
(a) air and water
(b) water and plants
(c) minerals, organic matter, air and water
(d) water, air and plants


Q7: The water holding capacity is the highest in
(a) sandy soil
(b) clayey soil
(c) loamy soil
(d) mixture of sand and loam


Q8: Soil profile refers to an arrangement within a soil of
(a) its horizontal layout
(b) vertical layout
(c) Size of soil particles
(d) None of these


Q9: Which topsoil is best suited for growing plants
(a) Sandy soil
(b) Loamy Soil
(c) Clayey Soil
(d) None of these


Q10: Which soil horizon contains humus?
(a) A-Horizon
(b) B-Horizon
(c) C-horizon
(d) Bedrock



Q11: Soil formation is a


(a) slow process
(b) fast process
(c) rapid process
(d) none of these

Answers:
1: (a) Sandy Soil
2: (b) Clayey Soil
3: (c) Loamy Soil
4: (b) Clayey Soil
5: (c) C-horizon
6: (c) minerals, organic matter, air and water
7: (b) clayey soil
8: (a) its horizontal layout
9: (b) Loamy Soil
10: (a) A-Horizon
11: (a) slow process

18 comments:

  1. Replies
    1. Why it's incorrect? I think it is correct. Please check.

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    2. It is correct. The word 'layout' justifies it.

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  2. Replies
    1. It is bit tricky. We study soil horizons which are horizontal layers. In my opinion, Horizontal layout is correct.

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    2. This comment has been removed by the author.

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    3. then say the correct ans...in 1 day sajid ansari

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  3. I8 and is correct. Because soil profile is vertical which helps us to study the horizontal arrangement of soil.

    ReplyDelete
  4. I8 and is correct. Because soil profile is vertical which helps us to study the horizontal arrangement of soil.

    ReplyDelete
  5. Answer 8 is incorrect correct this

    ReplyDelete
  6. thank you for the questions

    ReplyDelete

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