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The growth of pollentube towards the ovu...

The growth of pollentube towards the ovule caused by a sugary substance as stimulus is an example of

A

Geotropism

B

Hydrotropism

C

Phototropism

D

Chemotropism

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VGS PUBLICATION-BRILLIANT-COORDINATION-EXERCISE
  1. Abscisic acid is responsible for

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  2. Hydrotropism means

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  3. The growth of pollentube towards the ovule caused by a sugary substanc...

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  4. With what name growing of plant tendrils towards support and wind arou...

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  5. Folding up of leaves of mimosa pudica when we touch it. This type of r...

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  6. What is the exocrine and endocrine gland of our body ?

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  7. . The nature of all the 31 pairs of spinal nerves is

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  8. Iodine is necessary for the production of this hormone

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  9. The gland attached to kidney is

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  10. Menstrual cycle in females is under the control of hormone

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  11. Complete the blanks. Ovary is located ……………..(1) and secretes a ho...

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  12. This hormone stimulates the function of adrenal gland

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  13. Name the hormone responsible for the development of secondary sexual ...

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  14. Doctors diagnosed a patient that he is suffering from the deficiency o...

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  15. State whether the following actions are voluntary action, reflex actio...

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  16. The involuntary actions like respiration is under the control of …………(...

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  17. Electrical impluses travel in a neuron form

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  18. In neuron, the conversion of electrical signal occurs at

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  19. Why is the use of iodised salt advised ?

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  20. Name the master gland of the body.

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