Which of the following is incorrect about catecholamines

  • increase in glucose concentration blood

  • stimulate lipids and fats breakdown

  • increase in glucose concentration in cells

  • All of these

Which of the following tissue of the adrenal gland is responsible for 3F (Flight, Fear, Fight) activity in us?

  • Adrenal cortex

  • Adrenal medulla

  • Both 1 and 2

  • Catecholamines

Which of the following is not true about catecholamines?

  • secreted by the adrenal medulla

  • Inhibits the breakdown of glycogen

  • increase rate of respiration

  • increase heartbeat

Which of the following is the inner layer of the adrenal cortex?

  • Zona glomerulosa

  • Zona reticularis

  • Zona fasciculata

  • Adrenal medulla

Which of the following is the outermost layer of the adrenal cortex?

  • Zona glomerulosa

  • Zona reticularis

  • Zona fasciculata

  • Adrenal medulla

All the hormones of the adrenal cortex are known as

  • Catecholamines

  • Corticoids

  • Cortisol

  • Both 1 and 2

A corticoid which is responsible for the electrolyte balance in our body is

  • Aldosterone

  • Adrenaline

  • Androgen

  • Both 1 and 3

A corticoid that is responsible for carbohydrate metabolism in our body is

  • Aldosterone

  • Glucocorticoids

  • Cortisol

  • Both 2 and 3

Which of the following is true about glucocorticoids

  • Regulate Cardio-vascular and kidney functions

  • Anti-inflammatory agent

  • stimulate erythropoiesis

  • All of the above

Which of the following is incorrect about glucocorticoids

  • stimulate cellular uptake and utilization of amino acids

  • suppresses the immune response

  • Stimulate lipolysis and proteolysis

  • stimulate erythropoiesis

Which of the following is maintained by aldosterone

  • Body fluid volume

  • Osmotic pressure

  • Blood pressure

  • All of these

Which of the following is responsible for the growth of axial hair, facial hair during puberty in females?

  • Androgens

  • Aldosterone

  • Adrenaline

  • All of these

Which of the following is the effect of the hormone secreted by the Heart?

  • Dilation of blood vessels

  • Decrease blood pressure

  • Both 1 and 2

  • constriction of blood vessels

How many of the following are peptide hormones?

Gastrin, Secretin, Cholecystokinin, Gastric inhibitory peptide, ANF, Erythropoietin

  • 3

  • 4

  • 5

  • 6

Which of the following stimulates the secretion of HCl and pepsinogen?

  • Gastrin

  • Secretin

  • Cholecystokinin

  • Gastric inhibitory peptide

Which of the following inhibits gastric secretion?

  • Gastrin

  • Secretin

  • Cholecystokinin

  • Gastric inhibitory peptide

Which of the following acts on the endocrine part of the pancreas?

  • Gastrin

  • Secretin

  • Cholecystokinin

  • None of these

Which of the following is an incorrect statement?

  • Secretin inhibits water secretion

  • CCK stimulates the secretion of intestinal juice

  • GIP stimulates gastric secretion

  • All are incorrect

Which of the following is an incorrect statement

  • Hormones bind to specific proteins located in the target tissues only.

  • Receptors for hormones can only be present on the cell membrane

  • Each receptor is specific to one hormone only

  • Nuclear receptors are intracellular receptors

The binding of a hormone to its receptor leads to

  • formation of the hormone-receptor complex

  • leads to biochemical changes in the target tissue

  • affects target tissue metabolism

  • All of these

Which of the following is not a steroid hormone?

  • Cortisol

  • Estradiol

  • Progesterone

  • FSH

Which of the following hormone can cause tissue growth and differentiation?

  • FSH

  • LH

  • Estrogen

  • Growth hormone

How many of the following hormones don’t enter the target cell?

Cortisol, Iodothyronine, Testosterone, Estradiol, FSH, Insulin, Glucagon

  • 4

  • 7

  • 3

  • 2

How many of the following hormones can change the chromosomal functions by binding with their receptors?

Cortisol, Iodothyronine, Testosterone, Estradiol, Insulin, melatonin

  • 6

  • 4

  • 5

  • 3

Which of the following can act as a primary messenger?

  • cAMP

  • ADP

  • NAD

  • Insulin

Besides cAMP, which one of the following molecules acts as a “secondary messenger” in the biological system?

  • Ca+2

  •  ATP

  • cDNA

  • CGTP

Which of these hormones uses cAMP as a secondary messenger?

  •  Insulin

  • Cortisol

  • Epinephrine

  • Testosterone

Which of the following is true about neural system

  • It provides point to point rapid coordination among organs

  • Coordination is fast and short lived

  • Response is very quick in it

  • All of the above

The system which coordinate and regulate the physiological functions in the body is

  • Nervous System and Excretory system

  • Endocrine System and Circulatory system

  • Nervous System and Endocrine System

  • Excretory and Circulatory system

Which of the following is true about Endocrine system

  • It is not directly connected with organs

  • Response is slow

  • coordinates through secretion of hormones

  • All of the above

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Practice Zoology Quiz Questions and Answers