The Pineal Gland

Q.

Choose the odd one out from the following terms given and name the category to which the others belong.

1. FSH

2. ADH

3. ACTH

4. TSH

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. Which hormone/gland acts in biological clocks ?

1. Thyroid
2. Thymus
3. Adrenal
4. Pineal

Q. Give the target gland for Melanotrophin (MSH).

Q.

The cross section of an Adrenal gland has outer __(i)__ and secretes a group of hormones called __(ii)__ and __(iii)__.Inner portion is called __(iv)__ and secretes hormones called __(v)__ and __(vi)__ .

1. i. Medulla ii.Cortex iii.Glucocorticoids iv. Mineralocorticoids v. Adrenaline vi. Noradrenaline

2. i.Noradrenaline ii.Medulla iii.Cortex iv. Glucocorticoids v. Mineralocorticoids vi. Adrenaline

3. i.Adrenaline ii.Noradrenaline iii.Medulla iv. Cortex v. Glucocorticoids vi. Mineralocorticoids

4. i.Mineralocorticoids ii.Adrenaline iii.Noradrenaline iv. Medulla v. Cortex vi. Glucocorticoids

Q.

Leydig cells produce a group of hormones called

1. Gonadotropins

2. Androgens

3. Oestrogens

4. Aldosterone

Q.

The pineal gland is located

1. on the kidneys

2. in the brain

3. beneath the thymus

4. beneath the thyroid glands

Q. Indicate whether the given statement is true or false.

Q. Choose the incorrect statement with respect to the hormone melatonin.

1. Melatonin plays a very important role in the regulation of a 24-hour (diurnal) rhythm of our body.
2. Iodine is essential for the normal rate of synthesis of melatonin in the pineal gland.
3. It helps in maintaining the normal rhythms of the sleep-wake cycle.
4. It influences metabolism, pigmentation, the menstrual cycle as well as our defense capability.