Question

QUESTION 6 Under which of the following conditions will phototropism occur? (Choose all the correct answers) When a plant is illuminated from one side with white light. When a plant is illuminated from one side with a red light. When a plant is illuminated from one side with blue light. None of the above QUESTION 7 Match the following photoreceptors or plant hormones to their function Phytochrome A. prevents premature germination cytokinins 8. promotes ripening of some fruits - ethylene C.delay leaf senescence - abscisic acid D.photomorphogenesis - gibberellins E. promote stem elongation QUESTION 8 0.5 P Which of the following are examples of induced defense responses? (Choose all the correct answers) The presence of spines in a cactus. The presence of a cuticle.

Answer 1

Answer 6. (C)

Phototropins absorb light in the blue range of the spectrum

Answer 7.

Phytochrom –Photomorphogenesis

Cytokinine- Delay leaf sencense

Ethylene- Promote ripening of fruit

Absicisic acid- Prevent premature seed germination

Gibberellins- Promote stem elongation

Answer 8. Option 3 and 4 applicable