Multiple Choice Questions

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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


D.

A

B

C

D

3

2 4 1

The species that invade a base are in succession is called pioneer species.
Ecosystem services are the products of ecosystem process e.g., biodiversity maintenance, crop pollination growth or birth rate in population ecology

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An example of ex-situ conservation is 

  • National Park

  • Seed bank

  • wildlife Sanctuary

  • wildlife Sanctuary

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The organisation which publishes the Red List of species is

  • ICFRE

  • IUCN

  • UNEP

  • UNEP

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The initial step in the digestion of milk in humans is carried out by?

  • Lipase

  • Trypsin

  • Diplotene

  • Diplotene

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The zone of atmosphere in which the ozone layer is present is called 

  • ionosphere

  • mesophere

  • stratosphere

  • stratosphere

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

  • Vulnerable 

  • endemic

  • critically endangered 

  • critically endangered 

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The shared terminal duct of the reproductive and urinary system in the human male is 

  • Urethra

  • Ureter

  • Vas deferens

  • Vas deferens

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Fructose is absorbed into the blood through mucosa cells of intestine by the process called

  • active transport

  • facilitated transport

  • simple diffusion 

  • simple diffusion 

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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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In vitro clonal propagation in plants is characterised by

  • PCR and RAPD

  • Northern blotting

  • Electrophoresis and HPLC

  • Electrophoresis and HPLC

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