Read the following passage carefully:
A. Answer the following questions by choosing the most appropriate option:
Q.1. We should keep soil well maintained as________
(a) it absorbs and retains water
(b) it responds to the effects of weather
(c) it raises water table
(d) it is the garden’s natural growing medium.
Correct Answer is option (d)
it is the garden’s natural growing medium
Q.2. Loamy soil is the best for plant growth because________
(a) it is a well-balanced mixture of sand, silt, and clay
(b) it has weak drainage and retention
(c) its texture responds slowly to decayed organic matter
(d) it gets tightly packed unless looked after well
Correct Answer is option (a)
it is a well-balanced mixture of sand, silt, and clay
Q.3. Soil must be tested before growing fruits and vegetables because
(a) they need alkaline soil
(b) they prefer slightly acidic soil
(c) they grow better in neutral soil
(d) they flourish in over-acidic soil
Correct Answer is option (c)
they grow better in neutral soil
Q.4. Soil is divided into various types on the basis of________
(a) colour
(b) drainage
(c) texture
(d) aeration
Correct Answer is option (c)
texture
Q.5. Clay soils are the most difficult to work as________
(a) hey don’t hold water well
(b) hey usually become waterlogged
(c) he soil particles are not held together
(d) hey require natural drainage and additives
Correct Answer is option (b)
they usually become waterlogged
Q.6. ‘Consistency’ in para 5 means________
(a) in agreement with
(b) having same opinion
(c) thickness
(d) firmness
Correct Answer is option (b)
firmness
B. Answer the following questions in brief:
Q.7. Which soil is the best for plant growth? Why?
Loamy soil is the best for plant growth as it is well balanced mixture of sand, silt and clay.
Q.8. Why should soil be tested before growing fruits and vegetables?
Soil must be tested before growing fruits and vegetables as they grow better in natural soil.
Q.9. Write the similar meaning to
(a) Firmness (para 5)
(b) Collection or accumulation(para 4)
(a) Consistency
(b) Amalgamation
10. What do you know about clay soils?
Clay soils are the most difficult to work as they usually become water logged.
11. How can texture of soil be improved?
The texture of soil can be improved by applying a well rotted organic substance called humus.
20 videos|101 docs|37 tests
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