Biology Topic Practice

Gibberellins and Ethylene

Beyond auxins, other hormones play crucial roles in seed germination, fruit ripening, and cell division.

Which hormone is used widely in the food industry to ripen bananas?

What is Gibberellins and Ethylene?

"Gibberellins are plant hormones that regulate various developmental processes; Ethylene is a gaseous plant hormone involved in ripening."

Question 1

Which answer best completes the statement? ____ involves giving a mother FSH and LH to stimulate eggs

Question 2

Choose the correct option to complete the statement. ____ is when blood vessels narrow to keep heat in

Question 3

Which answer best completes the statement? FSH causes an egg to ____ in the ovary

Question 4

Which answer best completes the statement? ____ is a waste product formed from the breakdown of proteins

Gibberellins: Important for initiating seed germination.

Ethylene: A gas that controls cell division and fruit ripening.

These hormones are used commercially to control when crops are ready for sale.

Exam Tip

If you put a ripe banana with green apples, the ethylene from the banana will ripen the apples faster.

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