what is phototropism and geotropism? with labelled diagram describe an activity to show that light and gravity change the direction that plant parts grow in.
Answers
Answer:
phototropism- The movement of shoot tips of plant in the direction of light is called phototropism.
geotropism- the movement of root tips toward gravity/earth is called geotropism.
The following diagram shows that light and gravity change the direction of the growing parts of plant..
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Answer:
Explanation: phototropism: movement of blending of shoot towards the direction of light is called the phototropism.
Geotropism: the upward growth of shoot and downward growth of roots in response to the pull of Earth's gravity.
Activity to demonstrate phototropism and geotropism:
Activity:
_________
Step 1: fill a conical flaskwith water
Step 2: cover the neck of flask with a wire mesh.
Step 3: keep two or three freshly germinated Bean seed on the wire mesh.
Step4: take a cardboard box which is open from one side
