Natural Resources & Their Conservation Test

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Natural Resources & Their Conservation Test - 1

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Weekly Quiz Competition

Question 1
1 / -0

Read the statements given below and choose the correct option (F = False, T = True).

(a) Forests influence climate, water cycle and air quality.
(b) In a forest, trees form the uppermost layer, followed by herbs. The shrubs form the lowest layer of vegetation.
(c) The forest keeps on growing and changing and can regenerate.
(d) Forests protect the soil from erosion.

A
a - F, b - F, c - T, d - T

B
a - T, b - T, c - F, d - F

C
a - T, b - F, c - T, d - T

D
a - F, b - T, c - T, d - F

Solution

In a forest, trees form the uppermost layer, followed by shrubs. The herbs form the lowest layer of vegetation.

Question 2

1 / -0

Match the following:

Column I	Column II
(a) Decomposers	(i) Dead plant and animal tissues
(b) Canopy	(ii) Habitats for wild life
(c) Porcupine	(iii) Microorganisms
(d) Humus	(iv) Wild animal
(e) Forest	(v) Branches of tall trees

(a) - (iii); (b) - (v); (c) - (iv); (d) - (i); (e) - (ii)

(a) - (ii); (b) - (v); (c) - (iv); (d) - (i); (e) - (iii)

(a) - (v); (b) - (iii); (c) - (iv); (d) - (i); (e) - (ii)

(a) - (iv); (b) - (v); (c) - (iii); (d) - (i); (e) - (ii)

Solution

Column I	Column II
(a) Decomposers	(iii) Microorganisms
(b) Canopy	(v) Branches of tall trees
(c) Porcupine	(iv) Wild animal
(d) Humus	(i) Dead plant and animal tissues
(e) Forest	(ii) Habitats for wild life

Question 3
1 / -0

Read the statements given below and choose the correct option.

Statement 1: Nothing goes waste in a forest.
Statement 2: Forests provide us wood, gum, medicinal plants and many more things.

A
Both statements 1 and 2 are correct and statement 2 is the correct explanation of statement 1.

B
Both statements 1 and 2 are correct, but statement 2 is not the correct explanation of statement 1.

C
Statement 1 is true and statement 2 is false.

D
Both statements 1 and 2 are false.

Solution

Continuous recycling of nutrients occurs in the forests. For example, if an animal dies, dead animals become food for vultures, crows, jackals and insects. In this way, the nutrients are cycled. So, nothing goes waste in a forest. Forests are a source of numerous useful things.

The two statements are correct individually, but statement 2 does not explain statement 1.
Question 4
1 / -0

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.

Which of the above statements are correct?

A
(ii) and (iv)

B
(i) and (iii)

C
(ii) and (iii)

D
(i) and (ii)

Solution

Weathering is a slow process. Loamy soil is a mixture of sand, clay and silt.
Question 5
1 / -0

Read the following statements and give appropriate terms for each of them:

(a) The process of breakdown of rocks by the action of wind, water, sunlight
(b) Removal of topsoil during heavy rains or strong winds
(c) Accumulation of wastes in the soil generated by human activity, which alters the features of soil
(d) The process of movement of water into deeper layers of soil

A
a - Erosion, b - Weathering, c - Soil pollution, d - Percolation

B
a - Weathering, b - Erosion, c - Soil pollution, d - Percolation

C
a - Erosion, b - Soil pollution, c - Percolation, d - Weathering

D
a - Weathering, b - Erosion, c - Percolation, d - Soil pollution

Solution

a. The process of breakdown of rocks by the action of wind, water, sunlight - Weathering
b. Removal of topsoil during heavy rains or strong winds - Erosion
c. Accumulation of wastes in the soil generated by human activity, which alters the features of soil - Soil pollution
d. The process of movement of water into deeper layers of soil - Percolation
Question 6
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Directions For Questions

In this question, two statements are given. Read both the statements and select the correct option accordingly.

...view full instructions

Statement 1: Saprophytes play an important role in recycling of nutrients.
Statement 2: Saprophytes feed on living animals.

A
Both statements 1 and 2 are true and statement 2 is the correct explanation for statement 1.

B
Both statements 1 and 2 are true, but statement 2 is not the correct explanation for statement 1.

C
Statement 1 is true, but statement 2 is false.

D
Both statements 1 and 2 are false.

Solution

Statement 1 is true, but statement 2 is false. Saprophytes feed on dead animals and thus, they help in recycling of minerals.

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Natural Resources & Their Conservation Test - 1

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Natural Resources & Their Conservation Test - 1

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Question 1

a - F, b - F, c - T, d - T

a - T, b - T, c - F, d - F

a - T, b - F, c - T, d - T

a - F, b - T, c - T, d - F

Solution

Question 2

(a) - (iii); (b) - (v); (c) - (iv); (d) - (i); (e) - (ii)

(a) - (ii); (b) - (v); (c) - (iv); (d) - (i); (e) - (iii)

(a) - (v); (b) - (iii); (c) - (iv); (d) - (i); (e) - (ii)

(a) - (iv); (b) - (v); (c) - (iii); (d) - (i); (e) - (ii)

Solution

Question 3

Both statements 1 and 2 are correct and statement 2 is the correct explanation of statement 1.

Both statements 1 and 2 are correct, but statement 2 is not the correct explanation of statement 1.

Statement 1 is true and statement 2 is false.

Both statements 1 and 2 are false.

Solution

Question 4

(ii) and (iv)

(i) and (iii)

(ii) and (iii)

(i) and (ii)

Solution

Question 5

a - Erosion, b - Weathering, c - Soil pollution, d - Percolation

a - Weathering, b - Erosion, c - Soil pollution, d - Percolation

a - Erosion, b - Soil pollution, c - Percolation, d - Weathering

a - Weathering, b - Erosion, c - Percolation, d - Soil pollution

Solution

Question 6

Both statements 1 and 2 are true and statement 2 is the correct explanation for statement 1.

Both statements 1 and 2 are true, but statement 2 is not the correct explanation for statement 1.

Statement 1 is true, but statement 2 is false.

Both statements 1 and 2 are false.

Solution

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