CBSE Class 12 Economics sample paper 2024-25: question 18(a)
From the official CBSE sample question paper for 2024-25, section B, question 18(a), for 1 mark. Try it first; the hints and our step-by-step solution are below.
Q18(a) · 1 mark · MCQCompetency-basedEnvironment and Sustainable Development
Read the given image carefully:
Choose the correct option which indicates the combination of vital functions performed by the environment.
i. Sustains life
ii. Provides aesthetic services
iii. Generates waste
iv. Provides only renewable resources
- (A)(i) and (ii)
- (B)(ii) and (iii)
- (C)(i) and (iv)
- (D)(i) and (iii)
Figure in the paper: Central oval 'FUNCTIONS OF ENVIRONMENT' with arrows to four ovals: 'Provides Resources' (top), 'Assimilates Waste' (left), and two unlabeled ovals marked '?' (right and bottom). See it in the official paper.
Source: official sample paper from cbseacademic.nic.in (PDF). See it in the full Sample paper 2024-25.
Hints
Open one hint at a time and try again before the next.
Hint 1
Two functions are already in the figure.
Hint 2
Does the environment give only renewable resources?
Step-by-step solution
Each step shows the marks it earns, as an examiner would award them. Checked by an independent re-solve from the question paper.
The figure shows the environment's functions: providing resources and assimilating waste, with two blanks. The other two vital functions are sustaining life (genetic and bio-diversity) and providing aesthetic services (scenery).
- 1 mark
"Generates waste" is not a function, and the environment provides both renewable and non-renewable resources, so (iii) and (iv) are wrong. Option (A).
Answer: (A) (i) and (ii)
Where the marks are
- Four functions: resources, assimilation, sustaining life, aesthetic services (1 mark)
Revise the chapter
- Chapter: Environment and Sustainable Development (notes, formulas, where marks are lost and every past question)
- Topic: Functions of the Environment, Carrying Capacity, Global Warming and Ozone Depletion
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