Phototropism Movement
Phototropism Movement
It is the tropic response of organisms to light. When a young green plant receives light from one direction only, the stem grows towards the light source. The stem is said to be positively phototropic because the stem tip grows in the direction of light. Sunflower buds exhibit a special type of phototropism in which the buds turn slowly through the day so that they always face the sun. This movement is caused by turgor changes.
How phototropism occurs ?
It is the directional movement of a plant in response to light. The shoot responds by bending towards light and roots respond by bending away from light. This happens as;
Take a well watered plant and keep it in a dark chamber, into which light enters by the mean of a tiny opening. Leave the plant in the chamber for a few days and then observe. What change we will see? | |||
| Right Option : B | |||
| View Explanation | |||
Phototropism is a type of | |||
| Right Option : B | |||
| View Explanation | |||
The movement of root in response to the light is called as | |||
| Right Option : A | |||
| View Explanation | |||
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10thAbout Abhyas metholodology the teachers are very nice and hardworking toward students.The Centre Head Mrs Anu Sethi is also a brilliant teacher.Abhyas has taught me how to overcome problems and has always taken my doubts and suppoeted me.
