GENERAL SCIENCE MCQS SET 17

GENERAL SCIENCE MCQS SET 17

1. Organ of Ruffini is sensitive to _____
a) Cold
b) Heat
c) Pressure
d) Touch
Answer: b
 
2. Which of the following prevents internal reflection of light inside the eye?
a) Cornea
b) Sclera
c) Choroid
d) Retina
Answer: c
 
3. In which of the following only cone cells are found?
a) Fovea centralis
b) Retina
c) Fossa ovalis
d) Blind spot
Answer: a
 
4. Ora serrata is _______
a) Present in ear
b) Oral cavity of protochordates
c) Gland present in oral cavity
d) A part of third wall in retina of eye
Answer: d
 
5. Sense of smell is perceived by __________
a) Pituitary
b) Hypothalamus
c) Olfactory lobe
d) Cerebrum
Answer: c
 
6. The inner most layer of human eye is _____
a) Sclera
b) Cornea
c) Choroid
d) Retina
Answer: d
 
7. Color blindness is due to defect in ________
a) Cones
b) Rods
c) Rods and cons
d) Rhodopsin
Answer: a
 
8. 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
 
9. 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
 
10. Organ of Corti helps in ________
a) Balancing
b) Maintaining equilibrium
c) Hearing
d) Formation of wax
Answer: c