O’Level Biology Question and Answers under Respiration part four

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O/LEVEL BIOLOGY REVISION QUESTIONS AND ANSWERS

Topic: Respiration part Four

This Quiz provides you with most of the question under the topic of Respiration with their Answer which are well explained at the end of the Quiz.

1. Photoreceptors known as cones are located in the:

Blind spot

Scelera

Fovea

Choroid

Question 1 of 20

2. When does short sightedness occur?

Question 2 of 20

3. What happens to the circular muscle when the eye is looking at a distant object?

They become taut

They get pulled tight

They contract

They relax

Question 3 of 20

4. What makes the eye lens to become thicker or thinner

Its shape

Its elastic nature

Because it is suspended

Its size

Question 4 of 20

5. In a short sighted person

The eyeball is large than normal

The eyeball is longer than normal

The eyeball is shorter than normal

The eyeball is thinner than normal

Question 5 of 20

6. In a long sighted person, where are the light rays focused

In front of retina

On the fovea

Behind the retina

On the retina

Question 6 of 20

7. Which of the following is caused by weak cillary muscles

Old sightedness

Short sightedness

Long sightedness

Astigmatism

Question 7 of 20

8. The function of the pinna on the ear is to

Beautify the face

Show the position of the ear

Extend the auditory canal

Collect sound wave

Question 8 of 20

9. Which of the following is the importance of Eustachian tube

Funnel sound into canal

Collect sound waves

Equalize pressure

Joint eh ear to mouth

Question 9 of 20

10. Which of the following is not a bone of the ear ossicles

Hammer

Stapes

Sacrum

Anvil

Question 10 of 20

11. The nerve that leads from the cochlea to brain is called

Motor nerve

Auditory nerve

Optical nerve

Intermediate nerve

Question 11 of 20

12. Which of the following is correct order of hearing

Auditory canal →Ossicles →Cochlea →Oval windows→ Auditory canal

Auditory canal→ Eardrum→ Ossicles →Oval window→ Cochlea→ Auditory canal

Auditory canal →Ear drum →Ossicles →Oval window →Cochlea →Auditory canal

Auditory canal→ oval window →ossicles→ cochlea→ auditory nerve

Question 12 of 20

13. Where is the sense of balance in the ear?

Eustachian tube

Middle ear

Cochlea

Semicircular canal

Question 13 of 20

14. What is the name of the hormone that ensures normal growth?

Adrenaline

Glucagon

Thyroxine

Vasopressin

Question 14 of 20

15. The following are hormones in humans

i. Thyroxine

ii. Luteinizing hormone

iii.Adrenaline

iv. Follicle stimulating hormone

Which of the following hormones exercise control over other glands

(i) and (ii)

(ii) and (iii)

(i) and (iii)

(ii) and (iv)

Question 15 of 20

16. Which one of the following reduces the concentration of blood glucose in the muscles?

Adrenaline

Strenuous exercise

Glucagon

Thyroxine

Question 16 of 20

17. What is the importance of hormone adrenaline?

Regulate metabolic rate

Controls development of sex organs

Stimulate conversation of glucose to glycogen

Prepare the body to react to an emergency

Question 17 of 20

18. Which of the following hormones stimulates the growth of reproductive organs in female

Thyroxine

Parahormone

Testosterone

Oestogen

Question 18 of 20

19. Which hormone stimulates the development of Graafian follicle?

Progesterone

Luteinizing hormone

Growth hormone

Follicle stimulating hormone

Question 19 of 20

20. The hormone that increases re absorption of water by the kidney is called

Adrenaline

Progesterone

Vasopressin

Oestrogen

Question 20 of 20

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O/LEVEL BIOLOGY REVISION QUESTIONS AND ANSWERS

Topic: Respiration part Four

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