CBSE Class 10 Social Science Forest and Wild Life Resources MCQs Set 04

Answer: (c) Ghoral

Explanation:
1. The Ghoral, a Himalayan mountain goat, is among India's animals on the brink of extinction.

Teacher's Note:
a) Ghoral is a critically threatened Himalayan species.
b) Sambhar, elephant and bear are not classed as being on the brink of extinction.

Answer: (d) 20.64%

Explanation:
1. As recorded in the source Forest Report cited, forest cover works out to about 20.64% of India's total geographical area.

Teacher's Note:
a) India's recorded forest cover is about one-fifth of its geographical area.
b) The desired/target forest cover under the National Forest Policy is 33%, which is higher than the actual figure.

Answer: (a) Vinoba Bhave

Explanation:
1. The Bhoodan Movement, which encouraged landowners to voluntarily donate land to the landless, was started by Vinoba Bhave.

Teacher's Note:
a) Vinoba Bhave started the Bhoodan (land-gift) Movement.
b) It encouraged voluntary land donation to benefit landless peasants.

Answer: (d) A and C are right

Explanation:
1. Biodiversity is indeed greatest in forests (A is correct), and it refers to the variety of both flora and fauna species in an area, not just flora (C is correct, B is wrong).
2. D describes population, not biodiversity, so it is also wrong.
3. This makes A and C the correct pair.

Teacher's Note:
a) Biodiversity means variety among both flora and fauna, not flora alone.
b) Forests hold the richest concentration of this biodiversity.

Answer: (a) Both (A) and (R) are true, and (R) explains (A)

Explanation:
1. India's rich biodiversity is a true statement, and its tropical location is indeed a correct reason behind this richness, since tropical regions support a wider variety of species.

Teacher's Note:
a) India's location in the tropics directly supports its biological diversity.
b) Both the assertion and the reason are correct, and the reason properly explains the assertion.

Answer: (b) A-ii, B-iv, C-iii, D-i

Explanation:
1. The Asiatic Cheetah is extinct in India (A-ii); the Asiatic Elephant is a vulnerable species (B-iv); the Black Buck is an endangered species (C-iii); and the Nicobar Pigeon, found only in the Nicobar Islands, is an endemic species (D-i).

Teacher's Note:
a) Extinct = Asiatic Cheetah; Vulnerable = Asiatic Elephant.
b) Endangered = Black Buck; Endemic = Nicobar Pigeon.

Answer: (a) a-ii, b-iii, c-iv, d-i

Explanation:
1. Black Buck is an endangered species (a-ii); the Asiatic Elephant is vulnerable (b-iii); the Andaman Wild Pig, found only in the Andaman Islands, is endemic (c-iv); and the Pink-Headed Duck is extinct (d-i).

Teacher's Note:
a) Black Buck = Endangered; Asiatic Elephant = Vulnerable.
b) Andaman Wild Pig = Endemic; Pink-Headed Duck = Extinct.