CBSE

1. Acute vision is present in?

vulture

shark

bat

frog

Question 1 of 24

2. Which of the following cranial nerves can regulate heart beat?

VIII

VII

Question 2 of 24

3. Sensitive pigmented layer of eye is?

cornea

retina

sclerotic

iris

Question 3 of 24

4. Third ventricle of brain is also known as?

metacoel

rhinocoel

paracoel

diacoel

Question 4 of 24

5. One function of parasympathetic nervous system is?

contraction of hair muscles

stimulation of sweat glands

acceleration of heart beat

constriction of pupil

Question 5 of 24

6. Iris is a part of?

sclerotic

choroid/ uvula

choroid and retina

sclerotic and choroid

Question 6 of 24

7. Vagus nerve is?

VII

Question 7 of 24

8. Afferent nerve fibers carry impulses from?

effector organs to CNS

receptors to CNS

CNS to receptors

CNS to muscles

Question 8 of 24

9. Retina is most sensitive at?

optic disc

periphery

macula lutea

fovea centralis

Question 9 of 24

10. Function of iris is to?

move lens forward and backward

refract light rays

bring about movements of eye lids

alter the size of pupil

Question 10 of 24

11. CNS is mostly made of?

motor neurons and sensory neurons

sensory neurons and association neurons

association neurons

motor neurons and association neurons

Question 11 of 24

12. Light rays entering the eye are controlled by?

pupil

iris

cornea

lens

Question 12 of 24

13. Ivan Pavlov performed experiments on?

simple reflexes

conditioned reflexes

cardiac reflexes

origin of life

Question 13 of 24

14. Respiratory center is situated in?

cerebellum

medulla oblongata

hypothalamus

cerebrum

Question 14 of 24

15. The sympathetic nerves in mammals arise from?

sacral nerves

cervical nerves

thoraco-lumbar nerves

III, VII, IX and X cranial nerves

Question 15 of 24

16. Cornea transplantation is outstandingly successful because?

cornea is easy to preserve

cornea is not linked up with blood vascular and immune systems

the technique involved is very simple

cornea is easily available

Question 16 of 24

17. In humans visceral organs are innervated by?

sympathetic nerves and are under conscious control

parasympathetic nerves and are under conscious control

Both (a) and (b)

both sympathetic and parasympathetic nerves but are not under conscious control

Question 17 of 24

18. The Nissl's granules of nerve cell are made up of?

ribosomes

protein

DNA

RNA

Question 18 of 24

19. In the chemistry of vision in mammals the photosensitive substance is called?

sclerotin

retinal

rhodopsin

melanin

Question 19 of 24

20. In frog "fenestra ovalis" is?

the opening in the auditory capsule which separates the middle ear from internal ear

the air-filled cavity of the middle ear

the communication between the pharynx and the tympanic cavity

the external opening of the tympanic cavity which is covered by the tympanic membrane

Question 20 of 24

21. The roof of the cranium of frog is formed by?

parasphenoid

alisphenoid

frontoparietal

orbitosphenoid

Question 21 of 24

22. Sympathetic nervous system induces?

heart beat

secretion of digestive juices

secretion of saliva

all of the above

Question 22 of 24

23. Which cranial nerve has the highest number of branches?

Facial nerve

Trigeminal

Vagus nerve

None of these

Question 23 of 24

24. Which of the following is regarded as a unit of nervous tissue?

Myelin sheath

Axons

Dendrites

Neurons

Question 24 of 24

Test Name	Nervous Coordination and Sense Organs Test
Subject	CBSE Biology
Test Type	MCQs
Total Question	24
Total Marks	48
Total Time	20 Minutes
Test Help For	CBSE Biology. CBSE Board Exams. Entrance Exams. Admissions Test. Jobs Test. General Knowledge. All Grades Exams.

Test By Subject	CBSE
Test By Topics	Nervous Coordination and Sense Organs

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