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 Multiple Choice QuestionsMultiple Choice Questions

1.

Which one of the following is a characteristic feature of cropland ecosystem?

  • Least genetic diversity

  • The absence of weeds

  • Ecological succession

  • Ecological succession

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2.

Which is the National Aquatic Animal of India?

  • River dolphin

  • Blue whale

  • Sea-horse

  • Sea-horse

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3.

Which of the following is the most important cause of animals and plants being driven to extinction?

  • Alien species invasion

  • Habitat loss and fragmentation

  • Co-extinctions

  • Co-extinctions

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4.

Which one of the following is not used for ex-situ plant conservation?

  • Field genebanks

  • Seed banks

  • Shifting cultivation

  • Shifting cultivation

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5.

Which of the following represent a maximum number of species among global biodiversity?

  • Algae

  • Lichens

  • Fungi

  • Fungi

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6.

The species confined lo a particular Region and not found elsewhere is termed as

  • Keystone

  • Alien

  • Endemic

  • Endemic

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7.

An example of ex-situ conservation is 

  • National Park

  • Seed bank

  • wildlife Sanctuary

  • wildlife Sanctuary

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8.

A location with luxuriant growth of lichens on the trees indicates that the

  • trees are very healthy

  • trees are heavily infested

  • the location is highly polluted

  • the location is highly polluted

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9.

Match the following and select the correct option.

Column I

Column II

a

Earthworm

1.

Pioneer species

b.

Succession

2.

Detritivore

c.

Ecosystem service

3.

Natality

d.

Population growth

4.

Pollination

  • A

    B

    C

    D

    1

    2

    3

    4

  • A

    B

    C

    D

    4

    1

    3 2
  • A

    B

    C

    D

    3

    2 4 1
  • A

    B

    C

    D

    3

    2 4 1
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10.

A species facing extremely high risk of extinction in the immediate future is called

  • Vulnerable 

  • endemic

  • critically endangered 

  • critically endangered 

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