The symbiotic association of algae and fungi is from Science Mat

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 Multiple Choice QuestionsMultiple Choice Questions

61.

The main function of phloem in plants is to

  • translocate food material

  • repair the injured parts

  • transport water

  • help in transpiration


62.

Recently discovered most stable allotropes of carbon is

  • C16

  • C60

  • C20

  • C56


63.

Which among the following is amphoteric oxide?

  • SnO2

  • CaO

  • SiO2

  • CO2


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64.

The symbiotic association of algae and fungi is

  • funaria

  • lichen

  • Marchantia

  • riccia


B.

lichen

Lichen is a symbiotic association of algae and fungi


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65.

Two magnetic lines of force

  • intersect at the neutral point

  • intersect near North or South pole

  • cannot intersect at all

  • intersect according to the position of magnet


66.

For which colour of light the focal length of a lens will be maximum?

  • Violet

  • Blue

  • Red

  • Yellow


67.

Name an acid used for removing ink stains

  • Oxalic acid

  • Acetic acid

  • Formic acid

  • Malic acid


68.

Natural fibers are

  • cotton

  • wool

  • silk

  • All of these


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69.

The composition percentage of CaO and SiO2 in Portland cement is

  • 40-45% and 10-15%

  • 85-90% and 40-45%

  • 60-68% and 17-24%

  • 3-10% and 80-90%


70.

Asteroids are found in between the orbits of

  • Saturn and Jupiter

  • Mars and Jupiter

  • Earth and Mars

  • Saturn and Uranus


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