Endocrine System

Q.

What is the classification of hormones based on the chemical structure?

Q.

Which of the following is not an endocrine gland?

1. Liver

2. Pancreas

3. Ovary

4. Testes

Q. 1. Why are endocrine glands called ductless glands?

Q.

How does chemical coordination take place in animals?

Q.

Chemically hormones are

1. Proteins, steroids, and biogenic amines

2. Biogenic amines only

3. Steroids only

4. Proteins only

Q. Question 01
What is the term used for secretions of endocrine glands responsible for changes taking place in the body?

Q.

Salivary gland is an endocrine gland.

1. True

2. False

Q. Difference between nervous system and hormone systems

Q.

What is the precursor of steroid hormone?

Q.

What are a few factors which control hormone secretion?

Q. Which of the following statements are true?

1. Endocrine glands are ductless and they secrete hormones.
2. Hormones have long lasting effects on the target cells.
3. Endocrine glands are always present near their target cells.
4. Hormones bind to specific receptors present on the cells.

Q.

Identify the hormone with its correct matching of source and function.

1. Melatonin ­- pineal gland, regulates the normal rhythm of the sleep-wake cycle

2. Oxytocin ­- posterior pituitary, growth and maintenance of mammary glands

3. Atrial natriuretic factor ­- ventricular wall, increases the blood pressure

4. Progesterone -­ corpus luteum, stimulation of growth and activities of female secondary sex organs

Q.

State three characteristics of hormones. [3 MARKS]

Q.

What is the function of Prolactin hormone?

Q.

Which of the following is an endocrine gland?

1. Salivary gland

2. Sebaceous gland

3. Parathyroid gland

4. Gall bladder

Q.

Which of the following statement is true for the endocrine system?

1. Secretes hormones that are transported to target cells by blood

2. Endocrine glands do not have ducts to transport hormones

3. Each hormone acts upon only those cells which have specific receptors

4. All of the above

Q.

Chemically hormones are________

1. Biogenic amines

2. Proteins

3. Steroids

4. Synthetic chemicals

Q.

Group the following gland into exocrine and endocrine glands.

lacrimal gland, thyroid gland, liver, sweat gland in skin, pituitary gland, gastric glands, adrenal gland, salivary gland.

1. EXOCRINE- lacrimal gland, thyroid gland, liver, sweat gland in skin

   ENDOCRINE- pituitary gland, gastric glands, adrenal gland, salivary gland

2. EXOCRINE- lacrimal gland, liver, sweat gland in skin

   ENDOCRINE- pituitary gland, gastric glands, adrenal gland, salivary gland, thyroid gland

3. EXOCRINE- lacrimal gland, liver, sweat gland in skin, salivary gland, gastric glands

   ENDOCRINE- pituitary gland, adrenal gland, thyroid gland,

4. ENDOCRINE- lacrimal gland, , liver, sweat gland in skin, salivary gland, gastric glands

   EXOCRINE- pituitary gland, adrenal gland, thyroid gland

Q.

Identify the incorrect statement(s) regarding the endocrine system.

1. II and IV

2. I and III

3. III and IV

4. I and II

Q. What is the molecular weight of insulin?

1. 15000 Da
2. 4000 Da
3. 5000 Da
4. 5800 Da

Q. Match the following:

$\begin{array}{cc}\text{Endocrine gland}& \text{Location of the gland}\\ \text{(1) Thyroid gland}& \text{(A) Below the stomach}\\ \text{(2) Pituitary gland}& \text{(B) Above the kidneys}\\ \text{(3) Pancreas}& \text{(C) Base of the brain}\\ \text{(4) Adrenal gland}& \text{(D) Around the trachea}\end{array}$

1. 1 - A, 2 - C, 3 - D, 4 - B
2. 1 - D, 2 - C, 3 - A, 4 - B
3. 1 - D, 2 - B, 3 - A, 4 - C
4. 1 - A, 2 - B, 3 - C, 4 - D

Q.

Name the two categories of hormones secreted by the adrenal cortex. [2 MARKS]

Q.

If one adrenal gland is removed, the other one gets enlarged to some extent. Explain.

Q.

Endocrine glands are also called _______ glands.

Q. How many types of endocrine system is there in human body

Q.

What are the types of hormones?

Q.

What causes acne?

Q.

What would be the effect produced if:

The thyroid does not function properly.

Q.

Which of the following statement is true about the endocrine system?

1. Hormones are transported through the blood

2. Hormones are secreted by target cells

3. Hormones do not affect the growth and development

4. The target cells do not require hormone receptors

Q.

Hormones are chemically proteins.

1. True
2. False