🏫 Board🧬 Biology

Biodiversity and Conservation

5 Board Biology previous year questions on Biodiversity and Conservation — options free on every question; 1 include the answer & explanation free, the rest unlock with PYQ Pass.

Q1 FREE PREVIEW

How many specics of organisms in the world are Endangered ?

15,500

150

5,500

1,550

✓ Correct answer: a)

15,500

Explanation

more than 15,500 species worldwide are facing the threat of extinction and are listed as endangered.

Which of the following statements is not true ?

Species diversity decreases as we move from Equator towards the poles

Species diversity decreases as we move from pole towards equator

Tropics harbour more species than temperate or polar areas

Colombia located near the cquator has nearly 1400 species of birds

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17. Red data book collects the record of which of the following ?

Red flowered plants

Aquatic animals

Endangered plants and animals

Natural resources

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The conventional method of ex-situ conservation includes

Botanical gardens

Zoological parks

Both (A) and (B)

None of these

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The amount of biomass or organic matter produced per unit area over a certain time period by plants during photosynthesis is

Primary productivity

Sccondary productivity

Net primary productivity

Productivity

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