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Pollen grains can be stored for several ...

Pollen grains can be stored for several years in liquid nitrogen having a temperature of

A

(A) -80˚C

B

(B) -196˚C

C

(C) -120˚C

D

(D) -160˚C

Text Solution

Verified by Experts

The correct Answer is:
B
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JMD PUBLICATION-Sexual Reproduction in Flowering Plants-Exercises
  1. Double fertilization is

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  2. Which of the following has proved helpful in preserving pollen as foss...

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  3. Pollen grains can be stored for several years in liquid nitrogen havin...

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  4. To obtain seedless watermelon, which among the following method is fol...

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  5. Which of the following group does not represent monocot, Apicot mango,...

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  6. Polidy level of Nucellus, endosperm, polar nuclei, Megaspore mother c...

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  7. Which of the following is false fruit?

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  8. In some plants, the female gamete develops into embryo without fertili...

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  9. Which of the following statesments regarding post fertilization develo...

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  10. Due to increasing air-borne allergens and pollutants many people in ur...

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  11. What is the fate of the male gametes discharged in the synergid?

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  12. Persistent nucellus in the seed is known as :

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  13. The process of removal of anther from the flower bud before it dehisce...

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  14. Which of the following is not found on maize seed ?

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  15. Fill in the blanks Rearing flower is called as .

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  16. Fill in the blanks The long and slender stalk of stamen is .

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  17. Fill in the blanks The anther is consisting of four .

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  18. Fill in the blanks The pollen grains represent the gametophyte.

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  19. Fill in the blanks Pollen grain losses vaibility in rice within min...

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  20. Fill in the blanks Opposite the micropylar end of ovule is the .

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