A location with luxuriant growth of lichens on the trees indicates that the | Biodiversity and Conservation

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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


D.

the location is highly polluted

The situation suggests that the site is no polluted as lichens are the bioindicators for air pollution. These are the living organisms that respond in an especially clear way to a change in the environment. Te lichens are useful indicators of especially SO2 pollution because they derive their water and essential nutrients mainly from the atmosphere rather than from the soil.

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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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