Q38 of 231 Page 94

Which of the following is not a plant hormone?

Ascorbic acid, also known as Vitamin C, is a vitamin found in food particularly in citrus fruits and green vegetables.

More from this chapter

All 231 →
37

Define thigmotropism. Give one example of thigmotropism.

 37

What is the difference between thigmotropism and thigmonasty? Name one plant which exhibits thigmotropism and one plant which exhibits thigmonasty. What behaviour (or responses) of these plants make you think that they exhibit thigmotropism and thigmonasty respectively?

 39

One of the following plant hormones is responsible for the phenomenon of phototropism in plants. This is:

 40

The movement of a plant part in response to the force of attraction exerted by the earth is called: