NCERT Class X Science Class: Chapter –16. Management of Natural Resources – Part-3

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Question 10:

In our country, vast tracts of forests are cleared and a single species of plant is cultivated. This practice promotes

(a) Biodiversity in the area

(b) Monoculture in the area

(c) Growth of natural forest

(d) Preserves the natural ecosystem in the area

Answer: B

Image Forest tree landscape continuum

Image Forest Tree Landscape Continuum

Image Forest tree landscape continuum

Question 11:

A successful forest conservation strategy should involve

(a) Protection of animals at the highest trophic level

(b) Protection of only consumers

(c) Protection of only herbivores

(d) Comprehensive programmer to protect all the physical and biological components

Answer: D

Question 12:

The important message conveyed by the ‘Chipko Movement’ is

(a) To involve the community in forest conservation efforts

(b) To ignore the community in forest conservation efforts

(c) To cut down forest trees for developmental activities

(d) Government agencies have the unquestionable right to order destruction of trees in forests

Answer: A

Image The ‘Chipko Movement’

Image the ‘Chipko Movement’

Image The ‘Chipko Movement’

Question 13:

In our country, there are attempts to increase the height of several existing dams like Tehri and Almati, dams across Narmada.

Choose the correct statements among the following that are consequence of raising the height of dams

(i) Terrestrial flora and fauna of the area is destroyed completely

(ii) Dislocation of people and domestic animals living in the area

(iii) Valuable agricultural land may be permanently lost

(iv) It will generate permanent employment for people

(a) (i) and (ii)

(b) (i), (ii) and (iii)

(c) (ii) and (iv)

(d) (i), (iii) and (iv)

Answer: B