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Germination of pollen grain on the stigm...

Germination of pollen grain on the stigma is

A

gemination in situ

B

germination in vivo

C

germination of vitro

D

autogamy

Text Solution

Verified by Experts

The correct Answer is:
B
In vitro-Germination in artifical medium in Vivo-an living medium. In situ-within mother cell.
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TRUEMAN BIOLOGY-SEXUAL REPRODUCTION IN FLOWERING PLANTS-MULTIPLE CHOICE QUESTIONS
  1. In angiosperm, syngamy or true fertilization refers to

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  2. Movement of pollen tube towards embryo sac is

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  3. Germination of pollen grain on the stigma is

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  4. At the time of entering embryo sac the pollen tube contains

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  5. Doubles fertilization is fusion of

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  6. Route used by pollen tube for entering ovule is

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  7. The significance of double fertilization is that it

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  8. The second fertilization in angiosperms is known as

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  9. Entry of pollen tube through micropyte while reaching the embryo sac...

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  10. When pollen tube enters by integuments then the process is called

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  11. In angiosperms, pollen tube liberates its male gamets into:

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  12. Total number of nuclei involved in double fertilization is

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  13. Pollen tube enters the embryo sac usually

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  14. Development of embryo in angiosperm is

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  15. The wheat grain/maize grain has an embryo with one, large, shield shap...

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  16. Pollination is stimulus necessary for the fruit development. It can be...

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  17. Ovule integument gets transformed into

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  18. Endosperm in angiosperms is formed from secondary nucleus

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  19. Endosperm of angiosperms is different from that of gymnosperms becaus...

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  20. The most common type of development of endosperm is

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