Science Quiz- Human body Quiz Q&A

1. What makes up (approx.) 80% of our brain’s volume?

1. Gas
2. Water
3. Blood
4. Oxygen

2. The pigment that determines human skin, hair and eye colour is called ____

1. Melanin
2. Chlorophyll
3. Melatonin
4. All of these

3. How many taste buds do young people have?

1. One thousand
2. Five hundred
3. Five thousand
4. 10 thousand

4. What causes disease and infection?

1. Immune System
2. Presence of hormones
3. Germs and viruses
4. None of these

5. How many teeth do we have in adult age?

1. 38
2. 30
3. 28
4. 32

6. The blood gets it red colour from which protein?

1. Hemoglobin
2. Plasma
3. Hemocyanin
4. All of these

7. What is the pH level of blood of an average person?

1. 6.45 – 6.55
2. 4.50 – 6.65
3. 7.35 – 7.45
4. 6.50 – 9.30

8. Which type of lens is used to correct the eye defect 'myopia'?

1. Convex lens
2. Concave lens
3. Biconcave lens
4. Biconvex lens

9. When you chew food, what is squirted in your mouth?

1. Enzymes
2. Starch
3. Mixture
4. Saliva

10. Which of the following organs is NOT used during digestion?

1. Lungs
2. Pancreas
3. Liver
4. Stomach