GENERAL SCIENCE MCQS SET 18

GENERAL SCIENCE MCQS SET 18

1. Which is thickened to form organ of Corti?
a) Basilar membrane
b) Reissner’s membrane
c) Tectorail membrane
d) Epithelial cells
Answer: a
 
2. 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
 
3. 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
 
4. Which of the following animal produces high frequency sound?
a) Monkey
b) Bat
c) Butterfly
d) Squirrel
Answer: b
 
5. Aqueous and vitreous humours are divided by ________
a) Lens
b) Iris
c) Retina
d) Optic nerve
Answer: a
 
6. Organ of Ruffini is sensitive to _____
a) Cold
b) Heat
c) Pressure
d) Touch
Answer: b
 
7. Which of the following prevents internal reflection of light inside the eye?
a) Cornea
b) Sclera
c) Choroid
d) Retina
Answer: c
 
8. In which of the following only cone cells are found?
a) Fovea centralis
b) Retina
c) Fossa ovalis
d) Blind spot
Answer: a
 
9. 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
 
10. Sense of smell is perceived by __________
a) Pituitary
b) Hypothalamus
c) Olfactory lobe
d) Cerebrum
Answer: c