Coordination and control – Online MCQs Test – Biology MCAT

1. The hippocampus is involved in:

Perception of pain and pleasure

Short term memory

Regulation of pituitary gland

Long term memory

2. Find out the correct match:

Parathyroid hormone – Blood calcium levels

Prolactin – Milk ejection

Oxytocin – Milk synthesis

ADH – Salt reabsorption

3. Physiological state of body is controlled by

Thalamus

Hypothalamus

Cerebellum

All of the above

4. The largest and most complex part of human brain is:

Medulla Oblongata

Thalamus

Hypothalamus

Cerebrum

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

Myxoedema

Cretinism

Dwarfism

Gigantism

6. During the transmission of nerve impulse through a nerve fibre, the potential on the inner side of the plasma membrane has which type of electric charge?

First positive, then negative and continue to be negative

First negative, then positive and again back to negative

First negative, then positive and continue to be positive

First positive, then negative and again back to positive

7. Which of the following is an inhibitory neurotransmitter?

Acetytcholine

Adrenaline

Epinephrine

GABA

8. To induce labour _______ hormone is given:

Antidiuretic

Thyroid

Oxytocin

Growth

9. All of the following are correct about the endocrine system EXCEPT

The islet cells in the pancreas produce both glucagon and insulin

Polypeptide hormones must bind with a receptor and trigger a secondary messenger

Endocrine glands are ductless

Parathormone is the fight-or-flight hormone

10. Learning which is not associated with a particular stimulus and is not normally rewarded or punished but utilized at a later Lime is called:

Latent Learning

Habituation

Classic Conditioning

Imprinting

11. Axon originates from a pyramid like area of soma called:

Axon – Takeoff

Node of Ranvier

Axon – Buttock

Axon – halloick

12. Living organisms when repeat their biological or behavioral activities at regular intervals, this behavior is called:

Biorythms

Autonomy

Tropism

Photoperiodism

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

Cushing Syndrome

Klienfelter Syndrome

Crohn’s Syndrome

Addison’s Disease

14. The phenomenon in which the influence of day length on plants is studied is called:

Thigmotropism

Photoperiodism

Phytoperiodism

Geotropism

15. Ovarian hormones are

None of these

Proteins and steroids

Steroids only

Proteins

16. Gibberellins inject rice seedlings and produce a disease called:

Foolish Seedling

Silent Seedling

Apical Seedling

Lateral Seedling

17. Principal naturally occurring “auxins” of higher plants is:

Acetic Acid

Ethyl Acetic Acid

Ribonucleic Acid

Indole Acetic Acid

18. The activity of two cerebral hemispheres is co-ordinated by:

Corpus Callosum

Corpus Cavernous

Vernix Cascosa

Superior Sagittal Sinus

19. The function of glucagon hormone is

To decrease blood sugar level

To release glucose from liver cells and glycogenolysis promotion

To increase the absorption of glucose and fatty acids through cell

To increase glycogenesis

20. You want to train your puppy to wait at the curb until you tell him to cross the road. Your friend advises you to give your dog a treat every time he does as you ask. Your friend is advising that you train the dog using

Imprinting

Classical conditioning

Operant conditioning

Fixed action pattern

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