Types of Hormones

Q.

What are enzymes? Define apoenzyme and coenzyme.

Q.

Which type of hormones are estrogen and progesterone secreted by the ovary?

1. Proteinaceous

2. Amino acid derived

3. Polypeptide

4. Steroid

Q. Match the following:
$\begin{array}{cc}\text{Column I}& \text{Column II}\\ \text{A. Acromegaly}& \text{I. Hyposecretion of thyroid hormones}\\ \text{B. Diabetes Insipidus}& \text{II. Hypersecretion of thyroid hormones}\\ \text{C. Graves’ disease}& \text{III. Hypersecretion of growth hormone}\\ \text{D. Cretinism}& \text{IV. Hyposecretion of adrenal cortex hormones}\\ \text{E. Addison’s disease}& \text{V. Hyposecretion of ADH}\end{array}$

1. A - III, B - V, C - II, D - I, E - IV
2. A - I, B - II, C - III, D - IV, E - V
3. A - II, B - III, C - IV, D - I, E - V
4. A - V, B - IV, C - II, D - I, E - III

Q.

Which of the following is the emergency hormone?

1. TCT

2. PTH

3. Adrenaline

4. Aldosterone

Q.

Illustrate the differences between the mechanism of action of a protein and a steroid hormone.

Q.

Hormones thyroxine, adrenaline and the pigment melanin are formed from?

1. Proline

2. Tyrosine

3. Glycine

4. Tryptophan

Q. Select the incorrect option.

1. Pituitary hormone - Steroid hormones
2. Glucagon - Protein hormones
3. Norepinephrine - Amino acid derivative
4. Oxytocin - Peptide hormone

Q.

What is the classification of hormones based on the proximity of the site of synthesis to the site of action?

Q.

What are Hydrophilic Hormones?

Q. Which of the following options correctly represents the chemical nature of hormones?

1. Carbohydrates, proteins and lipids
2. Proteins, carbohydrates, amino-acid derivatives and steroids
3. Peptides, polypeptides, proteins, steroids and nucleic acid derivatives
4. Peptides, polypeptides, proteins, steroids, amino-acid derivatives and iodothyronine

Q. Peptide hormones are ________________ and steroid hormones are ___________________.

1. lipid insoluble and water soluble.
2. water soluble and lipid soluble.
3. lipid soluble and water insoluble
4. water insoluble and lipid soluble

Q. Select the correct option.

1. Estrogen - Water soluble hormone
2. Gonadotropin releasing hormone - Lipid soluble hormone
3. Thyroid stimulating hormone (TSH) - Water soluble hormone
4. Prolactin - Lipid soluble hormone

Q. Match the following from column 1 and column 2.
$\begin{array}{cc}\text{Column 1 (hormone)}& \text{Column 2 (chemical nature)}\\ \text{P. Estradiol}& \text{1.Protein hormone}\\ \text{Q. Thyroxine}& \text{2.Amino acid-derivative}\\ \text{R. Growth hormone}& \text{3.Steroid hormones}\\ \text{S. Epinephrine}& \text{4.Iodothyronines}\end{array}$

1. P - 3, Q - 4, R - 1, S - 2
2. P - 2, Q - 1, R - 4, S - 3
3. P - 2, Q - 3, R - 4, S - 1
4. P- 4, Q -1, R - 4. S - 3

Q.

Anti diuretic hormone is also called ________.

Q.

Which of the following statements is, true?

1. Enzymes are biocatalysts

2. Enzymes are substrate specific

3. Enzyme reactions are reversible

4. All of these

Q. The amino acid tryptophan is the precursor for the synthesis of :

1. Melatonin and Serotonin
2. Thyroxine and Triiodothyronine
3. Estrogen and Progesterone
4. Cortisol and Cortisone

Q.

In parasympathetic nervous system, which of the following is released?

1. Acetylcholine

2. Sertonin

3. Epinephrine

4. Norepinephrine

Q. Select the odd one with respect to antagonistic pair of hormones.

1. Insulin and glucagon
2. Calcitonin and PTH
3. ANF and aldosterone
4. Cortisol and glucagon

Q. Filiform apparatus is characteristic feature of

1. Aleurone cell
2. Generative cell
3. Nucellar embryo
4. Synergids

Q.

How is protein synthesis a major determinant of cell growth?

Q. Total amino acids in insulin (bovine) are 51 in polypeptide chains A and B. How many amino acids are there in chain A?

1. 21
2. 20
3. 30
4. 31

Q. Atrial natriuretic factor-

1. increases blood pressure
2. decreases blood pressure
3. increases absorption of $N{a}^{+}$
4. is a vasconstrictor

Q. How many of these hormones are lipid soluble?
Progesterone, Estrogen, Epinephrine, Cortisol, Norepinephrine, Thyroxine, Prolactin, Aldosterone.

1. Three
2. Five
3. Eight
4. Four

Q. Explain the classification of hormones in detail.

Q. Which of the following pairs of hormones are not antagonistic (having opposite effects) to each other?

1. Parathormone - Calcitonin
2. Insulin - Glucagon
3. Aldosterone - Atrial Natriuretic Factor
4. Relaxin - Inhibin

Q. The hormone which controls the processes of burning of fats, proteins and carbohydrates and liberates energy in the body is:

1. Thyroxine
2. Adrenaline
3. Insulin
4. Cortisone

Q. Which of the following hormones is produced under the condition of stress which stimulates glycogenolysis in the liver of human being?

1. Insulin
2. Thyroxin
3. Adrenaline
4. Estradiol

Q.

Choose the correct answer among the following options

A. Epinephrine (i) Stimulates muscle growth

B. Testosterone (ii) Decrease in blood pressure

C. Glucagon (iii) Decrease in liver glycogen

D. Atrial natriuretic factor (iv) Increase heart beat

1. A$\to$(ii), B$\to$(i), C$\to$(iii), D$\to$(iv)

2. A$\to$(iv), B$\to$(i), C$\to$(iii), D$\to$(ii)

3. A$\to$(i), B$\to$(ii), C$\to$(iii), D$\to$(iv)

4. A$\to$(i), B$\to$(iv), C$\to$(ii), D$\to$(iii)

Q. Hormones ending with "-ine" and "-ol/-one" are amino acid and steroid derivatives, respectively.

1. False
2. True

Q. Match the following hormones with the molecules they are derived from.

1. Steroids
2. Proteins
3. Peptides
4. Amino acids