Pineal Gland

Q.

Which of the following statement is INCORRECT about the hormone melatonin?

1. It affects the reproductive activities of the organisms

2. It is produced by the pineal gland in the center of the brain

3. It helps regulate the biological clock of the organism

4. Melatonin production is low during the night and high during the day

Q.

Why is pineal gland also known as biological clock?

Q.

Which among the following gland acts as a biological clock?

1. Thyroid gland

2. Pineal gland

3. Adrenal gland

4. Thymus gland

Q. Which combination of gland and hormone would be linked to winter hibernation and spring reproduction in bears?

1. Pineal gland, melatonin
2. Hypothalamus, melatonin
3. Posterior pituitary gland, thyroid-stimulating hormone
4. Anterior pituitary gland, gonadotropin-releasing hormone

Q.

Name the gland responsible for the secretion of melatonin. Write any one function of it.

Q. Deficiency of ___ causes diabetes.

1. oestrogen
2. insulin
3. thyroxine
4. adrenaline

Q.

Melatonin is secreted by___.

Q.

The production of which hormone makes us sleepy

1. Calcitonin

2. Epinephrine

3. Norepinephrine

4. Melatonin

Q.

What are the symptoms of high TSH?

Q. Melatonin production decreases during night.

1. True
2. False

Q.

Which among the following is not the function of melatonin?

1. Regulation of menstrual cycle

2. Regulation of sleep cycle

3. Regulation of calcium metabolism

4. Regulation of body temperature

Q. Which hormone regulates sleep cycle?

1. Calcitonin
2. Thyroxine
3. Melatonin
4. Adrenaline

Q. Burst the bubbles containing the processes controlled by melatonin.

1. Sleepwake cycle
2. Body metabolism
3. Body temperature
4. Pigmentation
5. Menstrual cycle
6. Reproduction
7. Growth
8. Child birth

Q. Melatonin is secreted by the pineal gland.

1. True
2. False