Name: Tropic and Nastic Movements
Uploaded: 2019-07-19
Duration: 5 min 50 s
Description: Tropic movement is the response to stimuli that comes from one direction. Nastic movements are non-directional responses to stimuli such as temperature and h...

Question

Analyze illustration and complete table given below.

Movement	Stimuli	Plant part that moves	Direction of movement
	light	stem
	light	root	It moves against the direction of the stimulus.
Geotropism		stem
Geotropism		root	It moves towards the direction of the stimulus.
	water	stem
	water	root
Haptotropism	touch	stem	It moves towards or around the object that causes the stimulus.
Chemotropism	Presence of chemicals	pollen tube	It moves towards the direction where the chemicals chemical is present.

Accepted Answer

Movement Stimuli Plant part that moves Direction of movement

Phototropism light stem It moves towards the light

root It moves against the direction of the stimulus.

Geotropism earth stem It grows upwards against the force of gravity.

root It moves towards the direction of the stimulus.

Hydrotropism water stem It grows upwards against the water.

root It grows towards the water.

Haptotropism touch stem It moves towards or around the object
that causes the stimulus.

Chemotropism Presence of chemicals pollen tube It moves towards the direction where the chemicals chemical is present.

Kerala Board Solutions for Chapter: The Biology Of Movement, Exercise 10: Exercise 10

Kerala Board Biology Solutions for Exercise - Kerala Board Solutions for Chapter: The Biology Of Movement, Exercise 10: Exercise 10

Questions from Kerala Board Solutions for Chapter: The Biology Of Movement, Exercise 10: Exercise 10 with Hints & Solutions

Learn and Prepare for any exam you want !