Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

21.

Which one is not diploblastic?

  • Sponge

  • Cnidarian

  • Nematoda

  • Tenophora


22.

In algae, the bacteriological filter is

  • Oscillatoria

  • Batrachospermum

  • Nostoc

  • Cosmarium


23.

This place in India is called 'The Golden Mine of Liverworts'

  • Eastern Himalayas

  • Western Himalayas

  • Western Ghats

  • Eastern Ghats


24.

Which one of the following pairs of plants are not seed producers?

  • Fern and Funaria

  • Funaria and Ficus

  • Ficus and Pinus

  • All of the above


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25.

In Pinus

  • seed is winged but pollen grains are not

  • both seed and pollen grains are wingless

  • pollen grains are winged but seed is not

  • both seeds and pollen grains are winged


26.

One of the set is wrongly matched

  • Chrysanthemum - Sucker

  • Garlic  - Cloves

  • Cyanodon - Stolon

  • None of the above


27.

Corm is an

  • underground vertical leaf

  • underground swollen stem

  • underground horizontal root

  • underground horizontal leaf


28.

Which of the following plants are all roots?

  • Podostemon

  • Lemna

  • Wolffia

  • Utricularia


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29.

The petiole modified into flattened lamina like structure is present in

  • Acacia nilotica

  • Acacia arabica

  • Acacia australasia

  • Acacia auriculoformis


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30.

Feathery stigma belongs to

  • Wheat

  • pea

  • Datura

  • Caesalpinia


A.

Wheat

Stigma is the receptacle part of the carpel ,which is the female floral whorl. During the process of fertilisation, pollen grains get deposited on the stigma. A long and feathery stigma is generally found in flowers pollinated by wind. Their feathery nature helps in trapping pollen grains transported by wind.


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