GENERAL SCIENCE MCQS SET 16

GENERAL SCIENCE MCQS SET 16

1. The inner most layer of human eye is _____
a) Sclera
b) Cornea
c) Choroid
d) Retina
Answer: d
 
2. Color blindness is due to defect in ________
a) Cones
b) Rods
c) Rods and cons
d) Rhodopsin
Answer: a
 
3. The purplish red pigment rhodopsin contained in rods type of photoreceptor cell is a derivative of ______
a) Vitamin B1
b) Vitamin C
c) Vitamin D
d) Vitamin A
Answer: d
 
4. Color perception in man is due to _______
a) Rhodopsin present in rod cells
b) Iodopsin present in cone cells
c) Rhodopsin present in cone cells
d) Iodopsin present in rod cells
Answer: b

5. Organ of Corti helps in ________
a) Balancing
b) Maintaining equilibrium
c) Hearing
d) Formation of wax
Answer: c
 
6. Which is thickened to form organ of Corti?
a) Basilar membrane
b) Reissner’s membrane
c) Tectorail membrane
d) Epithelial cells
Answer: a
 
7. A person goes to ophthalmologist. He has a problem of reading books because he is not able to contract his ________
a) Iris
b) Suspensory ligament
c) Pupil
d) Ciliary muscles
Answer: d
 
8. Eustachian tube connects ________
a) Pharynx with middle ear
b) Middle ear with external ear
c) Middle ear with external ear
d) External ear with internal ear.
Answer: a
 
9. Which of the following animal produces high frequency sound?
a) Monkey
b) Bat
c) Butterfly
d) Squirrel
Answer: b
 
10. Aqueous and vitreous humours are divided by ________
a) Lens
b) Iris
c) Retina
d) Optic nerve
Answer: a