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Biology (Medical Entrance) - 3

Description: Biology Mix Test - 3
Number of Questions: 25
Created by:
Tags: Biology Mix Test - 3 Nuclear Organisation Cell Nucleus Cell Cycle Cell Cycle and Division Nucleic Acids Meiosis Adrenals Adrenal Gland
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Chromosomal ends are known as

  1. telocentric

  2. chromomere

  3. telomere

  4. secondary constriction


Correct Option: C
Explanation:

Chromosomal ends are known as telomere. This is the correct answer.

The phase of cell cycle in which DNA replication occurs is

  1. G1

  2. M

  3. S

  4. G2


Correct Option: C
Explanation:

The process of DNA replication, which we will describe is completed by the end of S phase.

Identify the correct order of stages in prophase I of meiosis.

  1. Leptotene, pachytene, zygotene, diakinesis and diplotene

  2. Leptotene, zygotene, diakinesis, diplotene and pachytene

  3. Zygotene, diakinesis, diplotene, pachytene and leptotene

  4. Leptotene, zygotene, pachytene, diplotene and diakinesis


Correct Option: D
Explanation:

The correct sequence of prophase I is leptotene, zygotene, pachytene, diplotene and diakinesis.

During meiosis, chiasma represents the site of

  1. synapsis

  2. terminalisation

  3. crossing over

  4. pairing


Correct Option: C
Explanation:

In meiosis, chiasma represents the site of crossing over.

Karyokinesis is the process of division of

  1. cytoplasm

  2. nucleus

  3. mitochondria

  4. cell wall


Correct Option: B
Explanation:

Karyokinesis is the process of division of nucleus.

Hormone produced during allergic reaction in humans is

  1. aldosterone

  2. non-adrenalin

  3. mineralocorticoid

  4. glucocorticoid


Correct Option: D
Explanation:

Hormone produced during allergic reaction in humans is glucocorticoid.

Which of the following is present on a chromosome?

  1. Centrosome

  2. Centriole

  3. Centromere

  4. Golgi body


Correct Option: C
Explanation:

Centromere is present on a chromosome.

A stain called Feulgen is specific for

  1. protein

  2. lipid

  3. carbohydrate

  4. DNA


Correct Option: D
Explanation:

Feulgen stain is specific for DNA. It is a staining technique developed by Robert Feulgen and is used in histology to identify DNA or chromosomes.

Which of the following is involved in controlling Ca+2 level in human body?

  1. Adrenal and thyroid

  2. Thymus and thyroid

  3. Pancreas and thyroid

  4. Thyroid and parathyroid


Correct Option: D
Explanation:

Calcium level is controlled by calcitonin of thyroid and parthormone of parathyroid.

Contraction of gall bladder in men is due to the secretion of

  1. gastrin

  2. secretin

  3. cholecystokinin

  4. enterogastrone


Correct Option: C
Explanation:

Contraction of gall bladder in men is due to the secretion of cholecystokinin.

Which of the following hormones are produced in hypothalamus and stored in pituitary?

  1. FSH and LH

  2. GH and TSH

  3. ADH and FSH

  4. ADH and oxytocin


Correct Option: D
Explanation:

ADH and oxytocin are produced in hypothalamus and stored in pituitary.

Which of the following hormones increases in blood during fright?

  1. Insulin

  2. Androgen

  3. Adrenalin

  4. Estrogen


Correct Option: C
Explanation:

Adrenalin increase in blood during fright.

The hormone which stimulate the gastric glands in stomach is

  1. enterokinase

  2. secretin

  3. gastrin

  4. pepsin


Correct Option: C
Explanation:

The hormone which stimulates the gastric glands in stomach is gastrin.

Adrenal gland is situated

  1. in the floor of brain

  2. below the larynx

  3. in the thoracic region

  4. on the top of each kidney


Correct Option: D
Explanation:

Adrenal gland is situated on the top of each kidney.

Who is known as the father of endocrinology?

  1. William Harvey

  2. Alec Jeffrey

  3. Einthoven

  4. Thomas Addison


Correct Option: D
Explanation:

Thomas Addison is regarded as the father of endocrinology.

Which of the following pairs is gonadotropin?

  1. FSH AND TSH

  2. TSH and LH

  3. LH and FSH

  4. TSH and ACTH


Correct Option: C
Explanation:

FSH and LH are gonadotropins.

The hormone which regulates basic metabolic rate in man is

  1. calcitonin

  2. insulin

  3. prolactin

  4. thyroxine


Correct Option: D
Explanation:

The hormone which regulates basic metabolic rate in man is thyroxine.

The Islets of Langerhans are found in

  1. thyroid

  2. thymus

  3. pancreas

  4. adrenal


Correct Option: C
Explanation:

The Islets of Langerhans are found in pancreas.

Damage in which of the following glands leads to the loss of cell mediated immunity?

  1. Thyroid

  2. Thymus

  3. Pineal

  4. Adrenal


Correct Option: B
Explanation:

Cell mediated immunity is controlled by thymus gland.

Somatostatin, an inhibitory hormone, is secreted by

  1. pituitary

  2. pineal

  3. thyroid

  4. hypothalamus


Correct Option: A
Explanation:

Pituitary   secretes somatostatin

In males, spermatogenesis is induced by

  1. FSH

  2. ADH

  3. prolactin

  4. TSH


Correct Option: A
Explanation:

In males, spermatogenesis is induced by FSH.

Which of the following hormones is known as milk ejecting hormone?

  1. Vasopressin

  2. Prolactin

  3. Oxytocin

  4. FSH


Correct Option: C
Explanation:

Oxytocin is known as milk ejecting hormone.

In emergency, blood pressure is controlled by

  1. adrenalin

  2. prolactin

  3. FSH

  4. ACTH


Correct Option: A
Explanation:

In emergency, blood pressure is controlled by adrenalin.

Gigantism and acromegaly result from hypersecretion of

  1. TSH

  2. GH

  3. ADH

  4. ACTH


Correct Option: B
Explanation:

Gigantism and acromegaly result from hypersecretion of growth hormone.

Which of the following is a protein hormone?

  1. Cortisol

  2. Estrogen

  3. Progesterone

  4. Insulin


Correct Option: D
Explanation:

Insulin is a protein hormone.

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