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First cell of male gametophyte in angios...

First cell of male gametophyte in angiosperm is

A

Microspore

B

Megaspore

C

Nucleus

D

Primary Endosperm Nucleus

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Male gametophyte in angiosperms produces:

Name the first cell of male gametophyte of a lowering plant ………… .

Assertion (A) : Microspores are the first cell of male gametophyte. Reason (R) : Microspores undergo development and forms pollen grains.

What are angiosperms?

Read the following five statement (A-E) and answer as asked next to them (a) In Equisetum, the female gametophyte is retained on the parent sporophyte (b) In Ginkgo, male gametophyte is not independent (C) The sporophyte in Riccia is more developed than that in Polytrichum (d) Sexual reproduction in Volvox is isogamous (e) The spores of slime moulds lack cell walls How many of the above statement are correct?

Female gametophyte in a flowering plant ………… .

Which is a saprophytic angiosperm ?

How does the development of male gametophyte or pollen take place ?

Assertion : Only the pre-pollination growth of male gametophyte occurs inside the microsporangium whereas the remaining growth occurs over the female reproductive organs. Reason : Whole of the growth of female gametophyte occurs inside the megasporangium.

SARAS PUBLICATION-APPLICATION OF BIOTECHNOLOGY-EXERCISE
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  14. What are stem cells? Explain their role in the field of medicine.

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  17. Give some example for transgenic animals.

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  18. How does recombinant DNA technology help in treating haemophilia patie...

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  19. Write a short note on interferons.

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  20. Expand ELISA.

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  21. Name the different ELISA methods.

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