CBSE Class 10 Social Science Resources and Development MCQs Set 11

Answer: (b) Black soil

Explanation:
1. Black soil, formed from Deccan trap lava flows, is ideal for cotton cultivation, which is why it is also called 'black cotton soil'.

Teacher's Note:
a) Black soil forms from Deccan trap lava flows.
b) It is especially suited to cotton cultivation.

Answer: (a) The Club of Rome advocated resource conservation for the first time in a more systematic way in 1968

Explanation:
1. The Club of Rome is credited with advocating resource conservation systematically for the first time, in 1968.

Teacher's Note:
a) The Club of Rome first systematically advocated resource conservation in 1968.
b) This predates the later Brundtland Report, which addressed sustainable development more broadly.

Answer: (a) Agenda 21

Explanation:
1. Agenda 21 is specifically the global action plan for achieving sustainable development.

Teacher's Note:
a) Agenda 21 is the action plan for achieving global sustainable development.
b) 'Our Common Future' is instead the title of the Brundtland Report itself.

Answer: (c) Both P and Q

Explanation:
1. Both environmental degradation and species endangerment are direct consequences of over-utilising natural resources.

Teacher's Note:
a) Over-utilisation degrades the environment and endangers species alike.
b) Both P and Q are genuine consequences of the same underlying problem.

Answer: (c) All the statements are appropriate

Explanation:
1. Mining scars, over-irrigation, dust from processing, and industrial effluents are all genuine, documented causes of land degradation in India.

Teacher's Note:
a) Mining, over-irrigation, dust and industrial effluents all degrade land.
b) All four statements accurately describe real causes of land degradation.

Answer: (c) India has enormous diversity in the availability of resources

Explanation:
1. The passage illustrates how different Indian regions hold very different kinds of resources (minerals, water, solar/wind potential, cultural heritage), demonstrating India's enormous resource diversity.

Teacher's Note:
a) Different regions hold very different resource types and strengths.
b) This diversity spans across the country, not limited to north India or any single state.

Answer: (c) Meghalaya

Explanation:
1. Meghalaya, a north-eastern state (other than Assam), is the one among these options where land use reporting remains incomplete.

Teacher's Note:
a) Meghalaya is a north-eastern state with incomplete land-use reporting.
b) Assam is the exception among NE states, having complete reporting; Punjab, Haryana and Odisha are not NE states.

Answer: (c) (I), (IV), (III) and (II)

Explanation:
1. Resources are first identified and inventoried (I), then surveyed and mapped (IV), then a planning structure to implement development is created (III), and finally this is integrated with national development plans (II).

Teacher's Note:
a) Correct order: identify → survey/map → build planning structure → integrate with national plans.
b) This traces resource planning from initial identification through to national-level integration.

Answer: (c) (A)-(II), (B)-(I), (C)-(IV), (D)-(III)

Explanation:
1. Bangar is old alluvial soil (II); Khadar is new alluvial soil (I); Regur is another name for cotton (black) soil (IV); and Fallow land is arable land left uncultivated for a year or more (III).

Teacher's Note:
a) Bangar = old alluvium; Khadar = new alluvium.
b) Regur = black cotton soil; Fallow land = temporarily uncultivated arable land.