(C) The growth of pollen tubes towards the ovules is a classic example of chemotropism.In this process,the pollen tube grows towards the ovule in resp

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(C) The growth of pollen tubes towards the ovules is a classic example of chemotropism.In this process,the pollen tube grows towards the ovule in response to chemical signals (specifically,calcium gradients and other chemical substances) released by the synergid cells within the ovule.

Class 10 Science Control and Coordination Mix Examples - Control and Coordination

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Which tropic movement is responsible for the growth of pollen tubes towards ovules?

A
Phototropism
B
Geotropism
C
Chemotropism
D
Hydrotropism

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Which tropic movement is responsible for the growth of pollen tubes towards ovules?

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What is the correct direction of flow of electrical impulses?

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At the time of puberty,both boys and girls show many changes in their appearance. Name the hormones responsible for these changes.

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$(a)$ Give the functions of cerebellum. (any two)
$(b)$ Name the components of central nervous system.