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1) Human nails are made up of …………

a) Keratin.
b) Cholesterol.
c) Gelatin.
d) Calcium.

ANSWER : Keratin

2) What is the scientific term for high blood pressure?

a) Heart attack.
b) Hypertension.
c) COPD.
d) Asthma.

ANSWER : Hypertension

3) What cell component is commonly used for personal identification?

a) DNA.
b) Ammonia acid.
c) RNA.
d) REM.

ANSWER : DNA

4) Which is the smallest bone in the body?

a) Hammer.
b) Femur.
c) Patella.
d) Stirrup.

ANSWER : Stirrup

5) What method is used to kill the bacteria in milk?

a) Pasteurization.
b) Sterilization.
c) Chlorination.
d) Immunization.

ANSWER : Pasteurization

6) Scurvy is caused due to deficiency of?

a) Vitamin D.
b) Vitamin C.
c) Potassium.
d) Calcium.

ANSWER : Vitamin C

7) Which is the largest artery in the body?

a) Aorta.
b) Pulmonary Artery.
c) Coronary Artery.
d) Renal Artery.

ANSWER : Aorta

8) About how many pints of blood are there in the Human body?

a) 28.
b) 8.
c) 18.
d) 1.

ANSWER : 8

9) Which bone is located in the collar region of the human body?

a) Clavicle.
b) Frontal.
c) Hyoid.
d) Temporal.

ANSWER : Clavicle

10) What is the correct name for the nerve cell?

a) The neuron.
b) The neural link.
c) The nerve.
d) The responder.

ANSWER : The neuron

11) What part of eyes adjusts to focus more clearly?

a) Lens.
b) Retina.
c) Blind spot.
d) Lid.

ANSWER : Lens

12) Which organism is helpful in making the soil more fertile?

a) Roundworm.
b) Earthworm.
c) Ringworm.
d) Beetle.

ANSWER : Earthworm

13) What is the pituitary gland attached to?

a) Brain.
b) Heart.
c) Lungs.
d) Liver.

ANSWER : Brain

14) How many joints are there in the Human body?

a) 410.
b) 230.
c) 567.
d) 198.

ANSWER : 230

15) What is the average weight of Human brain?

a) 3,200 grams.
b) 1000 grams.
c) 1,400 grams.
d) 2,300 grams.

ANSWER : 1,400 grams

16) How many chromosomes are there in the human gene?

a) 36.
b) 12.
c) 46.
d) 24.

ANSWER : 46

17) Where is human appendix located?

a) Middle.
b) It is somewhat random.
c) Left side.
d) Right side.

ANSWER : Right side

18) Which blood group is known as Universal recipient?

a) Group O
b) Group AB
c) Group B
d) Group A

ANSWER : Group AB

19) Where is the tympanic membrane found?

a) Nose.
b) Eye.
c) Liver.
d) Ear.

ANSWER : Ear

20) Botany is the study related to:

a) Plants.
b) Bottles.
c) Insects.
d) Seeds.

ANSWER : Plants

Biology : General knowledge questions and answers