Biodiversity and Conservation - Applied Ecology & Evolution - Ecology and Evolution Previous Year Questions

1

2018 · Ecology and Evolution · Applied Ecology & Evolution · Biodiversity and Conservation

Ecology and Evolution (EY) 2018

Match the combination of flora and fauna from the list, to the state where they are found.

Combination	Fauna; Flora
P	Red panda; Rhododendron
Q	Pygmy hog; Elephant grass
R	Tiger; Mangrove
S	Hangul; Chinar

A

P: Assam; Q: Jammu & Kashmir; R: West Bengal; S: Sikkim

B

P: Jammu & Kashmir; Q: Assam; R: West Bengal; S: Sikkim

C

P: Sikkim; Q: Assam; R: West Bengal; S: Jammu & Kashmir

D

P: Sikkim; Q: West Bengal; R: Assam; S: Jammu & Kashmir

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2

2021 · Ecology and Evolution · Applied Ecology & Evolution · Biodiversity and Conservation

Ecology and Evolution (EY) 2021

The following phylogeny shows how species P to T are related to each other. The branch lengths indicate the degree of evolutionary change.

[Image: Phylogenetic tree with species P, Q, R, S, T]

The species composition of three areas is given below
Area 1: PQR; Area 2: RST; Area 3: QRS
Given this information, the phylogenetic diversity of

A

Area 1 > Area 3 > Area 2

B

Area 1 = Area 2 = Area 3

C

Area 1 = Area 3 > Area 2

D

Area 1 < Area 3 < Area 2

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3

2021 · Ecology and Evolution · Applied Ecology & Evolution · Biodiversity and Conservation

Ecology and Evolution (EY) 2021

The IUCN Red List provides information on the conservation status of different species. Match the species to their status in the table below.

Species	Status
Tiger	Near threatened (NT)
Great Indian Bustard	Extinct (EX)
Passenger Pigeon	Critically endangered (CR)
Blackbuck	Endangered (EN)

A

Tiger: NT; Great Indian Bustard: EX; Passenger Pigeon: EN; Blackbuck: CR

B

Tiger: EN; Great Indian Bustard: CR; Passenger Pigeon: EX; Blackbuck: NT

C

Tiger: EN; Great Indian Bustard: CR; Passenger Pigeon: NT; Blackbuck: EX

D

Tiger: NT; Great Indian Bustard: EN; Passenger Pigeon: EX; Blackbuck: CR

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4

2021 · Ecology and Evolution · Applied Ecology & Evolution · Biodiversity and Conservation

Ecology and Evolution (EY) 2021

Which one (or more) of the following conservation actions would NOT benefit native species?

A

Planting Prosopis juliflora in the Thar desert to reduce erosion.

B

Stringing rope ladders across roads to connect the canopy for facilitating the movement of arboreal animals in the Western Ghats.

C

Increasing lights at night on beaches in Odisha to improve visibility for hatching sea turtles.

D

Growing native species in urban gardens of Bengaluru to attract pollinators.

Check answer

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5

2021 · Ecology and Evolution · Applied Ecology & Evolution · Biodiversity and Conservation

Ecology and Evolution (EY) 2021

Which one of the following shows the highest degree of endemism?

A

Birds of the Himalayas

B

Mammals of central India

C

Frogs of the Western Ghats

D

Trees of the Gangetic basin

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6

2021 · Ecology and Evolution · Applied Ecology & Evolution · Biodiversity and Conservation

Ecology and Evolution (EY) 2021

Which one of the following makes a species most vulnerable to extinction?

A

Low density throughout a large geographic range and in several habitat types

B

Locally common in a restricted geographic range and in several habitat types

C

Low density throughout a large geographic range and in a specific habitat type

D

Locally common in a restricted geographic range and in a specific habitat type

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7

2024 · Ecology and Evolution · Applied Ecology & Evolution · Biodiversity and Conservation

Ecology and Evolution (EY) 2024

Which one or more of the following mammal species is/are endemic to India?

A

One-horned rhinoceros

B

Lion-tailed macaque

C

Bengal tiger

D

Cheetah

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8

2016 · Ecology and Evolution · Applied Ecology & Evolution · Biodiversity and Conservation

Ecology and Evolution (EY) 2016

To which of the following families do the important timber species, sal and teak, belong? (i) Dipterocarpaceae; (ii) Poaceae; (iii) Solanaceae; (iv) Verbenaceae

A

i and ii

B

i and iv

C

ii and iii

D

iii only

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9

2016 · Ecology and Evolution · Applied Ecology & Evolution · Biodiversity and Conservation

Ecology and Evolution (EY) 2016

The yields of which of these crops are most likely to be reduced by ongoing declines in bee populations?

A

coffee

B

rice

C

tea

D

wheat

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10

2022 · Ecology and Evolution · Applied Ecology & Evolution · Biodiversity and Conservation

Ecology and Evolution (EY) 2022

Which one or more of the following bird species is/are the focus of conservation-oriented captive breeding efforts in India?

A

Great Indian Bustard

B

Himalayan Quail

C

Jerdon's Courser

D

White-winged Wood Duck

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11

2023 · Ecology and Evolution · Applied Ecology & Evolution · Biodiversity and Conservation

Ecology and Evolution (EY) 2023

Which one of the following endangered species has been the subject of a reintroduction plan in India?

A

Rusty spotted cat

B

Jungle cat

C

Cheetah

D

Jaguar

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12

2023 · Ecology and Evolution · Applied Ecology & Evolution · Biodiversity and Conservation

Ecology and Evolution (EY) 2023

The IUCN Red List is based on a set of criteria to evaluate species vulnerability to extinction. Which one or more of the options is/are used as criteria?

A

Absolute population size

B

Geographic range

C

Economic value

D

Change in population size over time

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13

2023 · Ecology and Evolution · Applied Ecology & Evolution · Biodiversity and Conservation

Ecology and Evolution (EY) 2023

Conservation biologists have debated whether protected areas should be designed as a single large patch or as several small patches. Assuming that the total area is the same for the two designs, which one or more of the options describe(s) the conservation benefit(s) of several small patches?

A

Lower rates of local extinction

B

Lower rates of diversification

C

Lower spread of disease across the populations

D

Lower population sizes

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