Mechanism of Action of Hydrophilic Hormones

Q. Hormone-receptor complex is formed at
cell surface in case of:

1. Progesterone
2. Estrogen
3. FSH
4. Cortisol

Q. Which of the following hormones produces its action with the help of a second messenger?

1. Thyroxine
2. Cortisol
3. Insulin
4. Estrogen

Q. Choose the odd one out.

1. Cortisol
2. Estrogen
3. Testosterone
4. Epinephrine

Q. Correct the statements
a. Cells shrink in hypotonic solutions and swell in hypertonic solutions.
b. Imbibition is a special type of diffusion when water is absorbed by living cells.
c. Most of the water flow in the roots occurs via the symplast.

Q.

What hormones are produced by the ovaries and testes?

Q. How many H+ ions are required for synthesis of one ATP in chremiosmostic hypotjesis

Q.

Which of the following is not a steroid hormone?

1. Androgen

2. Estrogen

3. Thyroxine

4. Aldosterone

Q.

Why is vasopressin also called as antidiuretic hormone?

Q. Hormone receptors present on the cell membrane of the target cells are called_____________ and the receptors present inside the target cell are called ____________.

1. intercellular receptors, membrane-bound receptors
2. membrane-bound receptors, intracellular receptors
3. intracellular receptors, membrane-bound receptors
4. intracellular receptors, intercellular receptors

Q. Which of the following is not a second messenger in hormone action?

1. Calcium
2. Cyclic AMP
3. Sodium
4. $I{P}_3$

Q. How many of the following hormones do not enter the target cell?
Iodothyronine, Testosterone, Estradiol, Insulin, Glucagon

1. 3
2. 2
3. 4
4. 6

Q.

Is the plasma membrane living or dead?

Q.

Which of the structures is responsible for the manufacture of lipids and steroids?

1. Smooth endoplasmic reticulum

2. Mitochondria

3. Ribosomes

4. Centrioles

Q. In the mechanism of action of protein hormones, one of the second messengers is

1. Cyclic AMP
2. Insulin
3. Gastrin
4. Inositol triphosphate

Q. Which among the following is a second messenger generated when hormone interacts with membrane-bound receptors?

1. Cyclic AMP
2. Insulin
3. $T_3$
4. Gastrin

Q.

What is the role of second messenger in the mechanism of protein hormone action?

Q. Which of the following statements is/are incorrect?

1. Non-endocrine tissues secrete hormones called growth factors.
2. GIP inhibits gastric secretion and motility.
3. Hormones, which interact with membrane-bound receptors, enter the cell and regulate gene expression or chromosome function.
4. Hormones produce their effects on target tissues by binding to specific proteins called hormone receptors.

Q.

Describe the functions of plasma membrane.

Q.

Name the hormones secreted by these cells of the pancreas :

1. Beta cells
2. Alpha cells
3. Delta cells

Q. Select the incorrect option:

1. Thyroxine - lipid soluble
2. Cyclic AMP - second messenger
3. Growth hormone- generates secondary messengers
4. Epinephrine- binds to intracellular receptor

Q. Differentiate between Rough Endoplasmic Reticulum (RER) and Smooth Endoplasmic Reticulum (SER).

Q.

14. The cell organelle involved in forming complex sugars from simple sugars are :

1. (a) Endoplasmic reticulum
   

2. (b) Ribosomes
   

3. (c) Plastids
   

4. (d) Golgi apparatus

Q. ATPase of the muscle is located in

1. Actinin
2. Myosin
3. Troponin
4. Actin

Q.

In a cell, transportation of materials is done by

1. Golgi complex

2. Endoplasmic reticulum

3. Lysosomes

4. Mitochondria

Q. Choose the odd one out: (a) Prolactin, oestrogen, progesterone, testosterone.

Q.

Choose the correct answer from each of the four options given below:

Gigantism and Acromegaly are caused due to:

1. Hyposecretion of thyroxine

2. Hyposecretion of growth hormone

3. Hypersecretion of thyroxine

4. Hypersecretion of growth hormone

Q. What is the role of second messenger in the mechanism of protein hormone action?

Q. Identify ‘a’ in the given figure.

1. Target
2. Receptor
3. Hormone receptor complex
4. Second messenger

Q. Which of the following is not a second messenger in hormone action?

1. Sodium
2. Calcium
3. Cyclic AMP
4. $I{P}_3$

Q.

How do receptor tyrosine kinases work?