The Testicular Androgens

Q. Side-effects of use of anabolic steroids in females include
(i) Masculinisation
(ii) Premature baldness
(iii) Breast enlargement
(iv) Deepening of voice
(v) Abnormal menstrual cycle
(vi) Depression

1. i, ii, v and vi
2. i, iii, iv, v and vi
3. i, ii, iv, v and vi
4. i, iv, v and vi

Q.

Why are the ovaries and testes considered endocrine glands?

Q.

What cells secrete testosterone in males?

Q.

Which hormone acts on Leydig cells?

Q.

Do Sertoli cells produce testosterone?

Q.

What do interstitial cells secrete?

Q. Which of the following hormones is responsible for the secondary sexual characteristics in males?

1. Androgen
2. Estrogen
3. Progesterone
4. None of the above

Q.

Identify the true/false statements. Correct each false statement to make it true.

Leydig cells are found in ovary.

1. True
2. False

Q. Assertion (A): In MOET, hormones with progesterone-like activity are given to the cow for inducing superovulation.

Reason (R): The embryos at 4-6 cell stage are recovered and transferred to surrogate mothers.

1. Both assertion and reason are true and reason is the correct explanation of assertion
2. Both assertion and reason are true but reason is not the correct explanation of assertion
3. The assertion is true but reason is false
4. Both assertion and reason are false

Q.

Increase in the blood pressure and heart beat is caused by the hormone

1. Thyroxine

2. Nor-epinephrine

3. Adrenalin

4. ACTH

Q.

Which hormone stimulates Leydig cells?

Q. Which hormone helps in reabsorption of water from kidney?

1. ACTH
2. TSH
3. Vasopressin
4. Cortisol

Q. Mr. Kapoor has Bb autosomal gene pair and d allele sex-linked. What shall be proportion of Bd in sperms?

1. zero

2. 1/2

3. 1/4

4. 1/8.

Q. Function of testosterone

1. Controls sperm production
2. Contracts the smooth muscles
3. Controls blood glucose levels
4. Controls general metabolism and growth in body

Q.

Testosterone is a male sex hormone secreted by the

1. vas deferens

2. scrotum

3. Leydig cell

4. epididymis

Q.

Name the hormone responsible for the following functions:

Regulating the function of male and female reproductive organs

Q. Hyaluronic acid is a heteropolysaccharide and has acetyl glucosamine + glucuronic acid. It is a cementing material and is found in

1. ovum and synovial fluid
2. vitreous humour
3. skin
4. all of the above

Q.

Vasopressin in concerned with

1. Concentration of urine

2. Increase of BP

3. Lowering BP

4. Dilution of urine

Q. Which of the following is incorrect about the hormone and its source gland?

1. Glucagon is produced by the pancreas
2. Androgen is produced by the ovary
3. Thyroxine is secreted by the thyroid
4. Oxytocin is produced by the hypothalamus

Q. Which cells in the testis secrete testosterone, the male sex hormone?

1. Cells of the germinal epithelium
2. Sertoli cells
3. Interstitial cells or cells of Leydig
4. Secondary spermatocytes

Q.

Adrenal medullary hormones ____________ cardiac activity.

1. decrease

2. increase

3. has no effect on

4. neutralizes

Q. Noise pollution may cause nervousness and irritability by stimulating the secretion of

1. thyroid hormone
2. adrenaline hormone
3. parathyroid hormone
4. insulin hormone

Q. What is testosterone?

Q.

Name the cytokinin which is most effective of all the cytokinins?

Q. Androgens are secreted by

1. Pituitary
2. Testes
3. Ovaries
4. Thyroid

Q. Read the following statements related to sporopollenin and identify the correct one?

Q. Which one of the following statements is correct?
(i) The testes make male sex hormone called testosterone.
(ii) Endocrine glands are known as ductless glands.
(iii) The estrogen hormones develops deeper voice in male at puberty
(iv) Pituitary gland is an example of exocrine gland.

1. (i) and (iii)
2. (iii) and (iv)
3. (i) and (ii)
4. None of these

Q. The hormone testosterone in testes is secreted by

1. Tunica albuginea
2. Sertoli cells
3. Leydig/interstitial cells
4. Primary spermatocytes

Q. Testosterone, the male sex hormone, is synthesised in the

1. Seminiferous tubules
2. Interstitial cells
3. Vas deferens
4. Prostate gland

Q. Select the option which gives correct answer for the blanks in the statement given below.
(i) Addison's disease is caused due to deficiency of hormone produced by ____of adrenal gland.
(ii) ___is responsible for aggression in males.
(iii) Defiency of ____leads to production of large volume of dilute urine.
(iv) ____ can act as hormone as well as neurotransmitter.

1. (i) Zona reticularis
   (ii) Testosterone
   (iii) Insulin
   (iv) Acetylcholine
2. (i) Zona glomerulosa
   (ii) Estrogen
   (iii) ADH
   (iv) Thyroxine
3. (i) Medulla
   (ii) Insulin
   (iii) Testosterone
   (iv) Melatonin
4. (i) Cortex
   (ii) Testosterone
   (iii) ADH
   (iv) Adrenaline