Saturday, November 9, 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

15 comments:

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

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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