[POST TEST] Plant Growth and Development Factors

Plants placed in a dark place will quickly grow in length because...

• Auxin work is inhibited

• A dark place is an ideal space

• Dark places stimulate secondary growth

• Metabolism will increase

• Dark places have high humidity

Based on the following data it can be concluded that light...

• Inhibits plant growth

• Accelerate plant growth

• Has no effect on plant growth

• In bright conditions it inhibits, but has no effect in dark and dimly lit conditions

• In dim and dark conditions it speeds up, but has no effect in bright conditions

Andi put 5 green beans into a tube filled with water. He added a little oil to the tube. Then he placed the tube in a dark place. After one week of waiting, the green bean seeds did not germinate. What caused this to happen…

• Low humidity

• Not getting light

• Not getting oxygen

• The acidity of the environment is inappropriate

• Not getting the right temperature

What is the function of shelling and soaking bean seeds before planting?

(a)  

Why do plants whose tops are pruned not grow taller but branches appear to the side?

(a)