Coordination and control – Online MCQs Test – Biology MCAT

1. “Master gland” was former name of:

Parathyroid gland

Pituitary gland

Thyroid gland

Adrenal gland

2. Cytokinins are originally obtained from:

Dare milk

Coconut milk

Almond milk

Rice milk

3. If dorsal root of spinal cord is broken down then its effect is

No impulse is transmitted from receptor

Impulse is transmitted fast

Impulse is transmitted but slowly

No effect on impulse

4. That part of the brain which is involved in interpreting an input, storing input information and initiating a response in the light of similar past experience is

Sensory area

Motor area

Association area

Pons

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

Muscles — receptor — brain — muscles

Receptor — spinal cord — muscles

Muscles — spinal cord — muscles

Brain — spinal cord — muscles

6. Estrogen and Progesterone are ______ hormone.

Long chain amino acids

Modified amino acids

Short chain amino acids

Steroid

7. Hyper-secretion of growth hormone by pituitary results in

Cretinism

Gigantism

Myxoedema

Dwarfism

8. The most important role of ethane (a gas) is:

Parth enocarpy

Initiation of Roots

It break seed dormancy

It Triggers Ripening of fruit

9. In Hydra, the nervous system consists of:

Nerve cord

Nerve net

Forebrain

Transverse nerves

10. Cell body of neurons contains “NlSSL SUBSTANCE” which consists of:

Peroxisomes

Ribosornes

Lysosomes

Mitochondria

11. Tendency of recurrent seizures or temporary alteration in one or more functions is:

Epilepsy

Alzheimer’s disease

Psychosis

Diphtheria

12. Which hormone trigger changes at the time of puberty in boys?

Testosterone

Thyroxin

Adrenaline

Insulin

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

Bromocriptine

Levodopa

Amamidine

Carbidopa

14. Which statement is true for nerve conduction?

During resting stage axonal membrane is less permeable for K+ and more permeable for Na+.

Concentration gradient generated when active transportation of ions occurs by Na- K pump.

Rise in stimulus induces permeability to Na+ is long lived.

During transmission of impulse, Na+ outfiux continuously.

15. Olfactory receptors are

Pressure receptors

Pain receptors

Touch receptors

Smell receptors

16. Deficient production of cortisol due to the destruction of adrenal gland is:

Cushing Syndrome

Crohn’s Syndrome

Klienfelter Syndrome

Addison’s Disease

17. The over-production of STH (Somatotrophin) after adult-hood results in:

Myxedema

Dwarfism

Gigantism

Acromegaly

18. Breathing, heartbeat, blood pressure, coughing, swallowing are all under the control of:

Cerebellum

Pons

Mid Brain

Medulla Oblongata

19. Hormone Involved in glucose metabolism and are produced during anxiety, fever and diseases is:

Antidiuretic hormone

Cortisol

Groh hormone

Aldosterone

20. The main function of cerebellum is

To hear

To see

Balancing

Remembering

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