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Anthesis is...

Anthesis is

A

Formation of pollen

B

Development of anther

C

Opening of flower bud

D

Reception of pollen by stigma

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Considers the the following statements about Cleistogamy : (i) Reported in viola , Oxalis , Commelina. (ii) Flowers are invariably automatous. (iii) pollinators are required for seed set. (iv) Anthesis is absent . How many statements are incorrect ?

Anthesis refers to:

Cleistogamy does not require anthesis because

Opening or blooming of the flower is known as (a) anthesis (b) maturation of embryo (c) Pollination (d) dehiscence of anther lobes

ALLEN-REPRODUCTION IN ORGANISMS AND SEXUAL REPRODUCTION IN FLOWERING PLANTS-EXERCISE-I (Pollination ,Fertilization,Endosperm,Embryo,Seed ETC)
  1. Tigellum is

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  2. Number of nuclei taking part in double fertilization is

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  3. Food is stored in albuminous seed in

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  4. Helobial endosperm is restricted usually to

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  5. "Remnant endosperm" is commonly found in seed of

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  6. In which part of the embroy maxium growth takes place in epigeal germ...

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  7. In which part of embryo maximum growth takes place in hypogeal germina...

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  8. At which temperature, germination of seed can not possible in most of ...

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  9. In seeds, characterised by hypogeal germination, cotyledons generally ...

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  10. The embryo in sunflower has

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  11. Endosperm is formed during the double fertilization by

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  12. Adventive embryony in Citrus is due to

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  13. In Angiosperms pollen tube liberate their male gametes into the :

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  14. The aleurone layer in maize grain is specially rich in :-

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  15. Anthesis is

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  16. When pollen grains of a flower pollinate the stigma of another flower ...

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  17. What is the liquid part of green Coconut :-

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  18. Entry of pollen tube through micropyle is

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  19. Through which cell of the embryo sac, does the pollen tube enter the e...

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  20. Endosperm of angiosperm is :-

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