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Which one of the following is surrounde...

Which one of the following is surrounded by a callose wall ?

A

Male gamete

B

Egg

C

Pollen grain

D

Microspore mother cell

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The correct Answer is:
D
Microspore mother cell
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ICSE-SEXUAL REPRODUCTION IN FLOWERING PLANTS -COMPETITION CORNER ( OBJECTIVE TYPE QUESTIONS (MULTIPLE CHOICE QUESTIONS ))
  1. Edible part in mango is

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  2. Pollen tube enters the embryo sac usually

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  3. Which one of the following is surrounded by a callose wall ?

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  4. The endosperm in angiosperms develops from

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  5. The fertilisation in which male gametes are carried through pollen tub...

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  6. Which one of the following is resistant to enzyme action?

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  7. Which one of the following pairs of plant structures has haploid numbe...

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  8. What does the filiform apparatus do at the entrance into ovule?

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  9. Unisexuality of flowers prevents

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  10. The plant part which consists of two generations one within the other,...

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  11. In some organisms, karyokinesis is not followed by cytokinesis as a re...

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  12. Nucellar polyembryony occurs in

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  13. Male gametophyte of angiosperms is reduced to

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  14. One of the most resistant biological material present in the exine of ...

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  15. Ubisch bodies are secreted by

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  16. Apomictic embryos in Citrus arise from

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  17. Transfer of pollen grain from anther to stigma of another flower of th...

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  18. Wind pollinated flowers are

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  19. Transfer of pollen grain from anther to stigma of another flower of th...

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  20. Exine of pollen grain is made up of

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