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The movement of pollen tube in the carpe...

The movement of pollen tube in the carpel towards the embryo sac is

A

Thigmotactic

B

Thermotactic

C

Chemotactic

D

Phototactic

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-SEXUAL REPRODUCTION IN FLOWERING PLANTS -EXERCISE - II
  1. The insect Blastophaga grossorum is associated with the pollination of

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  2. Fusion of one male gamete with the egg cell and fusion of another male...

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  3. The movement of pollen tube in the carpel towards the embryo sac is

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  4. At which stage one can distinguish between nuclear and cellular type o...

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  5. Milky water of green tender conconut called coconut milk is

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  6. Food material in exalbuminous seed is mainaly stored in

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  7. How many meiosis are required to produce 50 seeds of tobacco? (a) 62 ...

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  8. When a diploid femlae palnt is crossed with a tetrapoid male the ploid...

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  9. Formation of seed without fertilization is known as

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  10. Apospory is direct formation of

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  11. Apomixis is deveolpment of new plant

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  12. The pollination in Vallisneria is

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  13. The total number of nuclei involved in double fertilisation in angiosp...

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  14. Dry indehiscent single-seeded fruit formed from bicarpellary syncarpou...

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  15. Which of the following plants are likely to have wide range of distrib...

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  16. Milky water of green tender conconut called coconut milk is

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  17. Which of the following statements are true a. endothecium lies belo...

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  18. The edible portion in lotus is

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  19. Clematis and Narvelia are dispersed by air with the help of

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  20. Parthenocarpy is useless for

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