Difference of Phototropism, Gravitropism, thigmotrophism

Question 1

A plant’s tendency to grow TOWARD or AWAY from light

Answer 1

Phototropism

Question 2

The hormone auxin has a role in ____________.

Answer 2

Phototropism

Question 3

Auxin causes water to enter cells on the shaded side of the stem. As a result, the cells _______.

Answer 3

Elongate

Question 4

is directional growth in response to gravity. Shoots always grow UPWARD. Roots always grow DOWNWARD

Answer 4

Gravitropism

Question 5

Plants also RESPOND TO TOUCH, a reaction called ___________.

Answer 5

Thigmotropism

Question 6

Specialized epidermal cells detect contact with an object, which stimulates the tendril to BEND

A. Gravitropism
B. Phototropism
C. Thigmotropism
D. Elongate

Answer 6

Thigmotropism

Question 7

allows climbing plants to wrap tendrils around a supportive structure (like a trellis). This adaptation improves the plant’s ability to acquire _____.

A. Gravity
B. Light
C. Water
D. Oxygen

Answer 7

Light