General Science | Biology | Human Anatomy

General Science | Biology | Human Anatomy

1. The most abundant element found in the human body is

Iron
Sodium
Oxygen
Iodine

2. The maximum amount of element found in human body is

Iron
Sodium
Phosphorus
Calcium

3. Weight of our body is mostly made of

From bones
Parts of body
Parts of skin
From water adult

4. The percentage of water in an human body is around

10%
30%
65%
75%

5. The number of bones in an adult human body is

204
206
208
210

6. The total volume of blood in a normal adult human being is

5-6 litres
3-4 litres
8-10 litres
10-12 litres

7. At the age of 20 years, the number of bones in human body is approximately

100
200
300
None of these

8. Which of the following is the smallest bone in the human body?

Vomer
Stapes
Malleus
Incus

9. The smallest bone in our body is found in our

Ear
Nose
Eye
Toe

10. The number of bones in human skull is

28
30
32
40

11. Which one of the following salts is found in maximum amount in the human bones?

Magnesium Chloride
Calcium Carbonate
Calcium Phosphate
Sodium Chloride

12. How many pairs of ribs are there in a human body?

12
10
14
11

13. In human body, leg bone is

Hollow
Porous
Solid
Rivet

14. What is arthroplasty in surgery?

Open heart surgery
Kidney transplant
Hipjoint replacement
Blood transfusion

15. How many pairs of nerves arise from the spinal cord?

13
31
33
12

16. A healthy human being excretes the following litres of urine in 24 hours.

1.5
3.0
6.0
9.0

17. The bones are held together by elastic tissues are called

Ligaments
Fibrous tissues
Fibrin
Muscular tissues

18. Plaques formed on teeth are made up of

Food particles only
Food particles plus saliva
Food particles plus saliva plus mouth acids
Food particles plus saliva plus mouth acids plus bacteria

19. No pain is felt while cutting the nails because

Nails are made of the material of dead cells in which there is no blood circulation
Nails are a useless part of the body
Nails are made of calcium phosphate
None of the above

20. Which of the following are required for the formation of bones and teeth?

Sodium and Potassium
Iron and Calcium
Sodium and Calcium
Calcium and Phosphorus

21. Which one of the following nutritional elements is not essential for the formation and strengthening of bones and teeth?

Calcium
Phosphorus
Fluorine
Iodine

22. The number of teeth that are developed twice in the lifetime of human being is

4
12
20
28

23. Which of the following is the strongest part of our body?

Bone
Enamel
Dentin
Cementum

24. The strongest muscle in human body is found in

Jaws
Thighs
Neck
Hands

25. The temperature of the human body

Decreases in winters
Increases in summers
Neither decreases in winters nor increases in summers
Increases in winters

26. The pulse in the human wrist beats

Faster than the heart
Slower than the heart
At the same rate as the heart
Independently of the heart

27. The brain is responsible for

Thinking
Regulating the heartbeat
Balancing the body
All of the above

28. Where is the governing centre of reflex action located?

In cerebrum
In cerebellum
In spinal cord
In nerve cells

29. In a human brain memory power is found in

Medulla oblongata
Cerebrum
Brain cavity
Cerebellum

30. Where does fertilization occur?

In Uterus
In Oviduct
In Ovary
In Vagina

31. In human beings, normally in which one of the following parts, does the sperm fertilize the ovum?

Cervix
Fallopian tube
Lower part of uterus
Upper part of uterus

32. After reaching the female genital tract, human sperms retain their fertilizing capacity for

Two minutes
Twenty minutes
Ninety minutes
One to two days

33. The heart of human embryo starts beating

In the first week of development
In the third week of its development
In the fourth week of its development
In the sixth week of its development

34. Which one of the following is a membrane that protects the developing embryo from desiccation?

Amnion
Allantois
Chorion
Yolk sac

35. Mammals respire by

Gills
Trachea
Skin
Lungs

36. How many times, a healthy person's average heart beats in a minute?

86 times
98 times
72 times
64 times

37. When does heart rest?

Never
While sleeping
Between two beats
While doing yoga

38. Which of the following is not a symptom of a heart attack?

Chest pain
Nausea and sweating
Numbness and aching of arms
Pain in legs

39. How many chambers are there in heart?

2
4
6
8

40. Heart beats are caused by an electrical current that originates in

Brain
Blood
Heart
Spinal cord