Coordination and control – Online MCQs Test – Biology MCAT

1. “Mary had a little lambs; its fleece was white as snow. And everywhere that Mary went, the lamb was sure to go.” The behavior of the lamb is best described as.

Classical conditioning

Imprinting

Habituation

Operant conditioning

2. A person passes much urine and drinks much water but his blood glucose level is normal. This condition may be the result of

A reduction in vasopressin secretion from posterior pituitary

A fall in the glucose concentration in urine

A reduction in insulin secretion from pancreas

An increase in secretion of glucagon

3. Which would occur if the parasympathetic system were stimulated?

Increase in adrenaline

Increase in digestion

Increase in breathing rate

Increase in blood sugar

4. Grey matter gives the greyish appearance due to highly concentrated

Axon

Myelin sheath

Dendron

Cell bodies

5. Physiological state of body is controlled by

Hypothalamus

All of the above

Cerebellum

Thalamus

6. Transmission of light into nerve impulse is a

Chemical process

Biological process

Mechanical process

Biophysical process

7. The hind brain consists of

Pons + cerebellum

Hypothalamus + cerebellum

Medulla oblongata + cerebellum + pons

Medulla oblongata + cerebellum

8. Glucagon is ______ hormones.

Long chain amino acids

Short chain amino acids

Steroid

Modified amino acids

9. ExcessIve secretion of STH during childhood results in:

Cretinism

Acromegaly

Gigantism

Dwarfism

10. The spinal cord extends from the brain through

Cerebellum

Foramen Magnum

Optic lobe

Parietal lobe

11. The self-governing nervous system is known as

Autonomic nervous system

Peripheral nervous system

Sympathetic nervous system

Central nervous system

12. Which one of the following is synthetic cytokinin?

Cytokin

Creatin

Zeatin

Kinetin

13. Plants response to light due to the presence of a hormone in its growing tip, the hormone was named:

Neuroxin

Phytoxin

Auxin

Cytoxin

14. Secretin is

Avitamin

A pheromone

An enzyme

A hormone

15. Neural stimulation in visceral organ in human being is done by

Sympathetic and parasympathetic nerves and is under involuntary action

Sympathetic nerves and is under voluntary action

Parasympathetic nerves and is under voluntary action

Sympathetic and parasympathetic nerves and is under voluntary action

16. Orientation behaviour in which animal exhibits random movement to 3 particular stimulus is:

Fixed action pattern (FAP)

Taxes

Kinases

Reflexes

17. In reflex action, the reflex arc is formed by

Muscles — receptor — brain — muscles

Muscles — spinal cord — muscles

Brain — spinal cord — muscles

Receptor — spinal cord — muscles

18. Which one of the following does not act as a neurotransmitter?

Cortisone

Norepinephrine

Acetylcholine

Epinephrine

19. Glucagon and insulin are

Secreted by different cells and perform antagonistic function

Secreted by same cells and perform antagonistic functions

Secreted by same cells and perform similar function

Antagonistic secretions

20. Most effective drug in Parkinson’s disease is:

Amamidine

Levodopa

Carbidopa

Bromocriptine

Coordination and control / nervous and chemical Coordination-Medical College Admission Test Preparation Notes