Question

What are tropic movements briefly explain various types of tropic movement s in plants

Answer 1

The below mentioned article will highlight the six types of tropic movements in plants.

The six types are: (1) Thigmotropism (Haptotropism) (2) Phototropism (3) Geotropism (4) Thermotropism (5) Chemotropism and (6) Hydrotropism.

This unequal distribution of auxins on the two sides may be due to following two reasons:

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Answer 2

$\huge\textbf{Tropic movements}$

Movement of plant towards stimuli is called tropic movement. It can be in the direction of the stimuli or away from the stimuli. 



$\huge\textbf{Types}$

1. PHOTOTROPISM :-

The movement of plant towards light is called phototropism. 

Ex :- Take a plant and put it near the window then you see that it's stem moves toward in the direction of light showing + ve phototropism and roots show - ve phototropism.

2. THIGMOTROPISM :-

Movement of plants toward chemicals is called thigmotropism. 

Ex :- Coiling of plants.

3. CHEMOTROPISM :- 

Movement of plants toward chemicals is called chemotropism.

Ex :- Growth of pollen tube towards ovule.

4. HYDROTROPISM :-

Movement of plants toward water is called hydrotropism.

Ex :- Growth of tomato roots in the direction of water then it's root shows + ve hydrotropism and stem shows - ve hydrotropism.

5. GEOTROPISM :- 

Movement of plants toward earth is called geotropism.

Ex :- Take a portaid plant and put it horizontally towards earth then it's root shows + ve geotropism and stem shows - ve geotropism.