Coordination and control – Online MCQs Test – Biology MCAT

1. Type of learned behaviour in which animal stops responding to repeated stimulus, which is neither beneficial nor harmful is:

Imprinting

Fixed action pattern

Operant Conditioning

Habituation

2. The hind brain consists of

Medulla oblongata + cerebellum + pons

Medulla oblongata + cerebellum

Pons + cerebellum

Hypothalamus + cerebellum

3. Tropic hormones

Are hormones that stimulate other glands

Are secreted by the liver

Are released by the hypothalamus

Are secreted by the thyroid

4. The movements in plants occur in response to certain stimuli and the direction of response is related to the direction of stimulus. Such responses are called:

Photoperiodism

Autonomy

Reflex Action

Biorhythm

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

Crohn’s Syndrome

Klienfelter Syndrome

Cushing Syndrome

Addison’s Disease

6. Parkinson’s disease (characterized by tremors and progressive rigidity of limbs) is caused by degeneration of brain neurons that involved in movement control and make use of then euro transmitter, called

Acetylcholine

Norepinephrine

Dopamine

GABA

7. The brain-stem consists of:

Cerebrum, Cerebellum, Thalamus

Medulla Oblongata, Mid Brain, Pons

Medulla Oblongata, Pons, Cerebellum

Thalamus, Hypothalamus, Amygdala

8. “Master gland” was former name of:

Thyroid gland

Pituitary gland

Adrenal gland

Parathyroid gland

9. The self-governing nervous system is known as

Autonomic nervous system

Sympathetic nervous system

Central nervous system

Peripheral nervous system

10. In males, the essential hormone for secondary sexual characteristics is

Progesterone

Estrogen

Testosterone

Relaxin

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

Vernix Cascosa

Corpus Cavernous

Corpus Callosum

Superior Sagittal Sinus

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

Auxin

Cytoxin

Neuroxin

Phytoxin

13. Physiological state of body is controlled by

Hypothalamus

Cerebellum

Thalamus

All of the above

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

Increase in digestion

Increase in blood sugar

Increase in breathing rate

Increase in adrenaline

15. Glucagon is ______ hormones.

Short chain amino acids

Steroid

Modified amino acids

Long chain amino acids

16. Which one is actually synthesized in hypothalamus?

ACTH

Cortisot

STH

Oxytocin

17. The region where the impulse moves from one neurons to another is:

Soma

Node of Ranvier

Axon-Halloick

Synapse

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

Neuroglial Cells

Inter Neurons

Motor Neurons

Sensory Neurons

19. Correct hormonal sequence in menstruation is

Estrogen, FSH and progesterone

FSH, estrogen and progesteron

Estrogen, progesterone and FSH

FSH, progesterone and estrogen

20. Resting membrane potential of neurons is:

– 30 mV to – 45 mV

– 45 mV to – 65 mV

– 40 mV to – 90 mV

– 20 mV to – 50 mV

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