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Question (41)

QN008339

The presence of mountains, rainforests, deserts and coastlines in India mainly leads to

(A) decrease in biodiversity
(B) habitat diversity and species richness
(C) extinction of endemic organisms
(D) uniform ecosystems

Correct Answer: B

Explanation:

Different landforms create diverse habitats that support many species.

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Question (42)

QN008340

Which of the following actions directly threatens biodiversity hotspots?

(A) Habitat restoration
(B) Wildlife conservation
(C) Industrial deforestation
(D) National park protection

Correct Answer: C

Explanation:

Industrial deforestation destroys habitats and reduces biodiversity.

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Question (43)

QN008341

Which statement about biodiversity hotspots is scientifically correct?

(A) All biodiversity hotspots are deserts
(B) Biodiversity hotspots contain only plants
(C) Biodiversity hotspots are globally important conservation areas
(D) They have no endemic species

Correct Answer: C

Explanation:

Biodiversity hotspots are globally important areas needing conservation.

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Question (44)

QN008342

Why is conservation of endemic species more urgent than widely distributed species in many cases?

(A) Endemic species occupy limited regions
(B) Endemic species reproduce faster
(C) They migrate easily
(D) They adapt instantly everywhere

Correct Answer: A

Explanation:

Endemic species are restricted to small regions and are more vulnerable to extinction.

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Question (45)

QN008343

Which observation would most strongly indicate rich biodiversity in a forest?

(A) Presence of only one dominant species
(B) Presence of many kinds of plants and animals
(C) Complete absence of microorganisms
(D) Uniform vegetation throughout

Correct Answer: B

Explanation:

Rich biodiversity means a large variety of living organisms.

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Question (46)

QN008344

The biodiversity hotspot concept mainly helps scientists to

(A) identify regions needing urgent conservation
(B) increase industrial development
(C) replace endemic organisms
(D) eliminate forests

Correct Answer: A

Explanation:

Biodiversity hotspots help identify regions that need urgent protection.

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Question (47)

QN008345

Which of the following is the best example of analytical reasoning related to biodiversity hotspots?

(A) All forests are biodiversity hotspots
(B) Endemic species increase conservation value of a region
(C) Deserts never contain biodiversity
(D) Biodiversity depends only on rainfall

Correct Answer: B

Explanation:

Regions with endemic species are more valuable for conservation.

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Question (48)

QN008346

If climate change alters rainfall patterns in the Western Ghats, what is the most probable ecological effect?

(A) No effect on endemic species
(B) Disturbance in habitat conditions and biodiversity loss
(C) Conversion into polar ecosystem
(D) Elimination of all microorganisms only

Correct Answer: B

Explanation:

Climate change can disturb habitats and reduce biodiversity.

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Question (49)

QN008347

Which of the following best explains why endemic species are good indicators of hotspot regions?

(A) They occur naturally only in restricted areas
(B) They are found in every country
(C) They never face extinction
(D) They do not depend on habitats

Correct Answer: A

Explanation:

Endemic species are restricted to specific areas and indicate unique biodiversity.

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Question (50)

QN008348

A biodiversity-rich forest loses its pollinators due to habitat destruction. Which chain of events is most likely?

(A) Improved seed production
(B) Decline in plant reproduction and ecosystem imbalance
(C) Immediate formation of new species
(D) Increase in endemic diversity

Correct Answer: B

Explanation:

Loss of pollinators reduces plant reproduction and disturbs ecosystem balance.

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Question (41)

The presence of mountains, rainforests, deserts and coastlines in India mainly leads to

Explanation:

Link:

Question (42)

Which of the following actions directly threatens biodiversity hotspots?

Explanation:

Link:

Question (43)

Which statement about biodiversity hotspots is scientifically correct?

Explanation:

Link:

Question (44)

Why is conservation of endemic species more urgent than widely distributed species in many cases?

Explanation:

Link:

Question (45)

Which observation would most strongly indicate rich biodiversity in a forest?

Explanation:

Link:

Question (46)

The biodiversity hotspot concept mainly helps scientists to

Explanation:

Link:

Question (47)

Which of the following is the best example of analytical reasoning related to biodiversity hotspots?

Explanation:

Link:

Question (48)

If climate change alters rainfall patterns in the Western Ghats, what is the most probable ecological effect?

Explanation:

Link:

Question (49)

Which of the following best explains why endemic species are good indicators of hotspot regions?

Explanation:

Link:

Question (50)

A biodiversity-rich forest loses its pollinators due to habitat destruction. Which chain of events is most likely?

Explanation:

Link:

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