Biology

1. Sharpey’s perforating fibers are related with

None of these

Heart contraction

Muscle relaxation

Fixing of teeth

Question 1 of 15

2. Which set of terms would most likely be used in a description of the nervous system of chordates?

No brain, fused ganglia, tympana

Brain, dorsal nerve cord, highly developed receptors

Brain, fused ganglia, ventral nerve cord

No brain, nerve net, modified neurons

Question 2 of 15

3. If frog’s brain is crushed, even then its leg moves on pinpointing. It is called

Autonomic nerve conditions

Neurotransmitter function

Conditional reflex

Simple reflex

Question 3 of 15

4. Unidirectional transmission of a nerve impulse through nerve fiber is due to the fact that

Sodium pump starts operating only at the cyton and then continues into the nerve fiber

Neurotransmitters are released by the axon endings and not by dendrites

Neurotransmitters are released by dendrites and not by axon endings

Nerve fiber is insulated by a medullary sheath

Question 4 of 15

5. Given below is a table comparing the effects of sympathetic and parasympathetic nervous system for four features (1-4). Which one feature is correctly described?

Sr.No	Feature	Sympathetic nervous system	Parasympahtetic nervous system
(a)	Salivary glands	Stimulates secretion	Inhibits secretion
(b)	Pupil of the eye	Dilate	Constricts
(c)	Heart rate	Decrease	Increase
(d)	Intestinal peristalsis	Stimulates	Inhibits

Question 5 of 15

6. Sensation of stomach pain is due to

Exteroceptors

All of these

Teloreceptors

Interoceptors

Question 6 of 15

7. The vagus nerve is the cranial nerve numbering

8th

5th

10th

9th

Question 7 of 15

8. Otorhinolaryngology is the study of

ENT

Locomotary organs

Brain cells

Bird anatomy

Question 8 of 15

9. Examine the diagram of the two cell types A and B given below and select the correct option:

Cell A is the rod cell found evenly all over retina.

Cell H is concerned with colour vision in bright light

Cell A is sensitive to low light intensities

Cell A is the cone cell more concentrated in the fovea centralis.

Question 9 of 15

10. The black pigment in the eye which reduces the internal reflection is located in

Iris

Retina

Sclerotic

Cornea

Question 10 of 15

11. The 5^th cranial nerve of frog is called

Trigeminal nerve

Optic nerve

Olfactory nerve

Vagus nerve

Question 11 of 15

12. A person is wearing spectacles with concave lenses for correcting vision. While not using the glasses, the image of a distant object in his case will be formed

On the blind spot

On the yellow spot

In front of the retina

Behind the retina

Question 12 of 15

13. The crystal of lead zirconate is a key component of

Electrocardiography

Sonography

Magneto encephalography

Electroencephalography

Question 13 of 15

14. Excessive stimulation of vagus nerve in humans may lead to

Hoarse voice

Irregular

Efficient digestion of proteins

Peptic ulcers

Question 14 of 15

15. Which is the example of conditioned reflex?

Digestion food goes forward in alimentary canal

Salivation in a hungry dog in response to ringing of a bell

Hand took up when piercing with needle

Eyes closed when anything enter into it

Question 15 of 15

Test Name	Nervous Coordination and Sense Organ Test
Subject	Biology
Test Type	MCQs
Total Question	15
Total Marks	30
Total Time	15 Mints
Test Help For	NEET and CBSE exams Medical Entrance Test Biology in MCAT Test AIIMS and AIPMT Test USMLE and AIPVT Test

Test By Subject	Biology
Test By Topics	Biology Subject

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Nervous Coordination and Sense Organ Test Online MCQs

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