
In the given graph of species-area relationship, which option correctly describes the equations for curves A and B?

A | B |
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A | B |
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A | B |
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A | B |
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Important Questions on Biodiversity and Conservation
Read the given statements and select the correct option regarding this.
(i) Ecosystem services provided by nature to human beings such as oxygen for respiration, aesthetic value, etc.
(ii) Direct economic benefits derived from nature by human beings such as food, medicines, etc.
(iii) Every species has an intrinsic value, even if it is not of any economical use to us.
With respect to above-given codes (i), (ii) and (iii) choose:
Narrowly utilitarian | Broadly utilitarian | Ethical | |
---|---|---|---|
(iii) | (ii) | (i) | |
(ii) | (i) | (iii) | |
(i) | (ii) | (iii) | |
(ii) | (iii) | (i) |



Read the statements and identify which statement is correct.
Tropical regions have greater biological diversity than the temperate region
A. Because of the constant and favourable environment throughout the year in tropical regions.
B. Is due to high temperature and less humidity in tropics.


Column I | Column II | ||
---|---|---|---|
Lungs of the planet | Lantana camara | ||
Reserpine | Amazon rainforests | ||
Anti-cancer drug | Yew tree | ||
Exotic species | Rauwolfia |

The narrowly utilitarian arguments for biodiversity conservation include which of the following from the given list?
(i) Industrial products like dyes, lubricants
(ii) Ecosystem services like photosynthesis
(iii) Pollinators layer of bees, birds and bats
(iv) Firewood, fibre and construction material
(v) The aesthetic pleasure of walking through thick woods
(vi) Products of medicinal importance
(vii) Watching spring flowers in full bloom

