Coordination and Response(Not on the summative) From PMT

Question 1

Auxins

Answer 1

A group of plant hormones that control cell elongation and plant growth

Question 2

Central Nervous Systems (CNS)

Answer 2

The brain and spinal cord. It coordinates the response of effectors

Question 3

Coordination centers

Answer 3

Areas of the body (e.g., brain, spinal cord, pancreas) that receive and process information from receptors

Question 4

Effectors

Answer 4

Muslces or glands which bring about responses to restore optimum levels

Question 5

Eye

Answer 5

A sense organ containing receptors sensetive to light intensity and colour

Question 6

Follice-Stimulating Hormone (FSH)

Answer 6

A hormone produced by the pitulary gland that stimulates the growth of follicles in the ovary and secretion of oestrogen

Question 7

Geotropism/Gravitropism

Answer 7

A plant’s directional growth in response to gravity

Question 8

Homeostasis

Answer 8

The maintenence of a stable internal enviornment in the body despite fluctuations in internal and external conditions

Question 9

Insulin

Answer 9

A hormone secreted by the pancreas when the blood glucose concentration is too high. It reduces blood glucose concentration.