GENERAL SCIENCE MCQS SET 28

GENERAL SCIENCE MCQS SET 28

1. The ciliary body is located
1.Near the ciliary muscles
2.Near the blind spot
3.Just behind the cornea
4.At the junction of iris and choroid
Answer: 4

2. The blind spot is the region where
1.Image is dim
2.Image is formed in strong light
3.Optic disc is present
4.Image is formed during the dark
Answer: 3

3. Man can see objects equally clear from various distance due to
1.Cornea
2.Conjunctiva
3.Eye lid
4.Ciliary muscles
Answer: 4

4. Statoreceptors are located in
1.Cristae
2.Maculae
3.Both A and B
4.Cochlea
Answer: 3
5. The waxy substance which coats the surface of auditory canal is produced by
1.Tympanum
2.Ceruminous glands
3.Sebaceous glands
4.Meibomian glands
Answer: 2
6. The tectorial membrane is found in the
1.Eye of frog
2.Eye of Mammals
3.Ear of Mammals
4.Tongue of frog
Answer: 3
7. In old age, the vision of eye becomes dim. It is due to
1.Myopia
2.Hypermetropia
3.Cataract
4.Astigmatism
Answer: 3

8. In hypermetropia, the image is formed
1.Before retina and is corrected by convex lens
2.Behind retina and is corrected by convex lens
3.Before retina and is corrected by concave lens
4.Behind retina and is corrected by concave lens
Answer: 2

9. Astigmatism is corrected by the use of
1.Convex lens
2.Concave lens
3.Cylindrical lens
4.Surgery
Answer: 3
 
10. Pigment in the cone cells of man responsible for detecting red colour is
1.Erythrolabe
2.Chlorolabe
3.Cyanolabe
4.Rhodopsin
Answer: 1
 
11. Cyanolabe pigment helps in distinguishing
1.Green colour
2.Red colour
3.Blue colour
4.Dim light
Answer: 3
 
12. Otolith is formed of
1.Carbohydrate
2.Magnesium
3.Lipid
4.Calcium carbonate
Answer: 4
 
13. Eustachian tube is meant for
1.Amplifying sound waves
2.To listen to activities in buccopharyngeal cavity
3.Equalize pressure on the two sides of tympanum
4.To keep the middle ear moist
Answer: 3
 
14. Vascular coat of eye ball is made up of
1.Sclerotic, choroid and retina
2.Optic, ciliary and iridial
3.Sclerotic, cornea and conjunctiva
4.Choroid, ciliary body and iris
Answer: 4
 
15. Choroid is
1.Loose connective tissue with pigment cells and vascular supply
2.Muscular tissue rich in blood supply
3.Epithelium
4.Nervous system
Answer: 1