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 Multiple Choice QuestionsMultiple Choice Questions

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21.

Which one of the following fruits is parthenocarpic?

  • Brinjal

  • Apple

  • Jackfruit

  • Jackfruit

1160 Views

22.

Male gametophyte in angiosperms produces

  • Two sperms and a vegetative cell

  • Single sperm and a vegetative cell

  • Single sperm and a two vegetative cells

  • Single sperm and a two vegetative cells

938 Views

23.

Geitonogamy involves

  • Fertilisation of a flower by the pollen from another flower of the same plant

  • Fertilisation of a flower by the pollen from the same flower

  • Fertilisation of a flower by the pollen from a flower of another plant in the same population

  • Fertilisation of a flower by the pollen from a flower of another plant in the same population

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24.

Pollen tablets are available in the market for

  • In vitro fertilisation

  • breeding programmes

  • supplementing food 

  • supplementing food 

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25.

Function of filiform apparatus is to 

  • recognise the suitable pollen at the stigma

  • stimulate the division of generative cell 

  • produce nectar

  • produce nectar

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26.

Non -albuminous seed is produced in 

  • maize

  • castor

  • wheat

  • wheat

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27.

Both, autogamy and geitonogamy are prevented in

  • papaya

  • cucumber

  • castor

  • castor

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28.

An organic substance that can withstand environmental extremes and cannot be degraded by any enzyme is

  • cuticle

  • sporopollenin

  • lignin

  • lignin

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29.

Even in absence of pollinating agents seed-setting is assured in 

  • Commellina

  • Zostera

  • Salvia

  • Salvia

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30.

Assisted reproductive technology, IVF involves transfer of 

  • ovum into the Fallopian tube 

  • zygote into the Fallopian tube 

  • zygote into the uterus

  • zygote into the uterus

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