Coordination and control – Online MCQs Test – Biology MCAT

1. Mechanism of control and co-ordination, found only in multicellular animals, faster in action, having localized effects, involves in electrical and chemical transmission is:

Physical control

Respiratory control

Nervous control

Chemical control

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

Testosterone

Insulin

Thyroxin

Adrenaline

3. Solving a problem without trial and error learning is called:

Latent Learning

imprinting

Operant Learning

Insight Learning

4. Automatic, involuntary responses which occur either due to internal or external stimuli are:

Synapses

Action Potential

Reflex Action

Resting Membrane Potential

5. Propagation of action potential is very fast in nerve fibres which have

Large fibre diameter

Large fibre diameter and Covering of myelin sheath

Small fibre diameter

Covering of myelin sheath

6. Estrogen and Progesterone are ______ hormone.

Long chain amino acids

Modified amino acids

Steroid

Short chain amino acids

7. Neurons takes commands of the control centre to the effectors are:

Motor Neurons

Neuroglial Cells

Sensory Neurons

Inter Neurons

8. The scientific study of the nature of behaviour and its ecological and evolutionary significance its natural setting is called:

Ecology

Entomology

Etiology

Ethology

9. The median pituitary lobe secretes.

MSH (Melanocyte Stimulating hormone.

ACTH (Adrenocorticotrophin hormone.

TSH (Thyroid Stimulating hormone.

FSH (Follicular Stimulating hormone.

10. If a person takes iodine, then it will be stored in

Pancreas

Liver cells

Brain cells

Thyroid

11. Secretin is

An enzyme

A pheromone

A hormone

Avitamin

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

Increase in adrenaline

Increase in digestion

Increase in blood sugar

Increase in breathing rate

13. Olfactory receptors are

Pain receptors

Pressure receptors

Smell receptors

Touch receptors

14. In which of the following nerve cell is present but brain is absent?

Sponge

Earthworm

Hydra

Cockroach

15. Which one of the following is synthetic cytokinin?

Kinetin

Creatin

Zeatin

Cytokin

16. Which statement is true for nerve conduction?

During transmission of impulse, Na+ outfiux continuously.

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

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

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

17. Cell body of neuron is called:

Roma

Soma

Koma

Neuroma

18. Which one of the following pair is the matching pair of the body part and the hormone it secretes?

Stomach epithelium — Secretin

Thyroid —Epinephrin

Anterior pituitary — Adrenalin

Alpha cells of pancreas – Glucagon

19. The function of glucagon hormone is

To decrease blood sugar level

To increase glycogenesis

To increase the absorption of glucose and fatty acids through cell

To release glucose from liver cells and glycogenolysis promotion

20. Cerebrospinal fluid is present

Between arachnoid and duramater

Between piamater and arachnoidmater

Beneath the piamater

In extra duramater

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