GENERAL SCIENCE MCQS SET 26

GENERAL SCIENCE MCQS SET 26

1. From the sacculus arises a narrow tube called
1.Ductus endolymphaticus
2.Endolymphatic sac
3.Cochlea
4.None of the above
Answer: 1
 
2. Vascular coat of eye is
1.Sclerotic
2.Choroid
3.Retina
4.Nil
Answer: 2
 
3. Scala tympani is the part of
1.Internal ear
2.Middle ear
3.Endolymphatic sac
4.Brain
Answer: 1
 
4. Otoconia are
1.Nerve fibres
2.Ear stones
3.Sensory hair
4.None of the above
Answer: 2
 
5. In man’s eye, the sclerotic is made up of
1.Bone
2.Cartilage
3.Muscles and cartilage
4.Fibrous connective tissue
Answer: 4
 
6. In mammalian eye, the power of accommodation is controlled by changing thickness of the lens, governed by
1.Cornea
2.Pupil
3.Iris
4.Ciliary body
Answer: 4

7. Lacrimal glands are concerned with secretion of
1.Hormones
2.Digestive juices
3.Enzymes
4.Tears
Answer: 4
 
8. The membranous labyrinth is concerned with
1.Hearing
2.Balancing
3.Sound production
4.Hearing and balancing
Answer: 4
 
9. The receptor organs for sense of hearing are located in
1.Cochlea
2.Utriculus
3.Sacculus
4.Middle ear
Answer: 1
 

10. If the light source is front of an eye becomes bright suddenly
1.Focus of lens will change
2.Retinal blood supply is cut
3.Vitreous humour becomes fluid
4.Pupil will contract
Answer: 4