PE5 Tropic Response

Question 1

Tropism

Answer 1

Response in plants in which they grow towards a stimulus (positive response) or away from a stimulus (negative response).

Question 2

Gravitropism

Answer 2

Response in which parts of a plant grow towards or away from gravity.

Question 3

Phototropism

Answer 3

Response in which parts of a plant grow towards or away from the direction from which light is coming.

Question 4

Roots have what tropisms

Answer 4

They have:-

Negative phototropic response

Positive gravitropic response

Question 5

Shoots have what tropisms

Answer 5

They have:-

Positive phototropic response

Negative gravitropic response

Question 6

Plumule

Answer 6

Shoot

Question 7

Radicle

Answer 7

Root

Question 8

Clinostat

Answer 8

Device that rotates constantly

Question 9

How to cancel out gravitropism

Answer 9

Clinostat (device) that can be used to constantly rotate the plant

Question 10

Auxin is a

Answer 10

Growth hormone

Question 11

Auxin controls

Answer 11

Controls tropisms

Question 12

How does auxin control tropisms