Species which adds upto only a small proportion of the total biomass of a community, yet has a huge impact on the community's organization and survival

Common species that has plenty of biomass, yet has a fairly low impact on the community's organisation

Rare species that has minimal impact on the biomass and on their species in the community

Dominant species that constitutes a large proportion of the biomass and which affects many other species

A species is categorised as endemic because it is

Exclusively found in a particular geographical zone

Feeding on common food resources

International Union for Conservation of Nature and Natural Resources

International Union for Nature an Natural Resources

International Union for Conservation of Natural Resources

International Union for Conservation of Nature

In a comparative analogy between the aeroplane and ecosystem the Rivet Popper hypothesis used by Stanford ecologist Paul Ehrlich's, identify the correct matching? Column I Column II i) Rivets a) Ecosystem ii) Aeroplane b) Species iii) Popping of a rivet c) Key species iv) Rivets on the wings d) Proper functioning of ecosystem v) Flight safety e) A species to become extinct

( i - b ) , ( ii - a ) , ( iii - e ) , ( iv - c ) , ( v - d )

( i - b ) , ( ii - a ) , ( iii - c ) , ( iv - e ) , ( v - d )

( i - b ) , ( ii - d ) , ( iii - e ) , ( iv - c ) , ( v - a )

( i - b ) , ( ii - d ) , ( iii - c ) , ( iv - e ) , ( v - a )

Statement I: Sacred groves are examples of on-site conservation. Statement II: Gene banks are examples for in situ conservation.

Statement I is true. But statement II is false

Both statement I and statement II are true

Both statement I and statement II are false

Statement I is false. But Statement II is true

E M B I B E

Biology Crash Course NEET>Chapter 37 - Biodiversity and Conservation>Level 2>Q 18

EASY

NEET

IMPORTANT

Earn 100

Select the correct option to fill up the blanks in the following statements:

(i) According to Robert May, the global species diversity is about A.

(ii) According to IUCN (2004), the total number of plant and animal species described are B.

(iii) India has only 2.4% of the world land area, its share of the global species diversity is C.

50% studentsanswered this correctly

Important Questions on Biodiversity and Conservation

EASY

NEET

IMPORTANT

Biology Crash Course NEET>Chapter 37 - Biodiversity and Conservation>Level 2>Q 19

When a species becomes extinct, the plant and animal species associated with it in an obligatory way also become extinct. This phenomenon is referred to as

MEDIUM

NEET

IMPORTANT

Biology Crash Course NEET>Chapter 37 - Biodiversity and Conservation>Level 2>Q 20

Which of the following statements describe natural extinction?

(i) Extinctions abetted by human activities
(ii) Slow replacement of existing species
(iii) Also known as background extinction
(iv) A small population is most likely to be extinct

EASY

NEET

IMPORTANT

Biology Crash Course NEET>Chapter 37 - Biodiversity and Conservation>Level 2>Q 21

Who confirmed communities with more species tend to be more stable than those with less species?

HARD

NEET

IMPORTANT

Biology Crash Course NEET>Chapter 37 - Biodiversity and Conservation>Level 2>Q 22

Select the correct statement about biodiversity.

MEDIUM

NEET