1. Alpha-Keratin is a protein, present in?
a. Blood
b. Eggs
c. Skin
d. Lymph
2. The panda belongs to the same family as that of ?
a. Dog
b. Bear
c. Cat
d. Rabbit
3. Elements which show the properties of both metals an non-metals are called ?
a. Alloys
b. Allotropes
c. Colloids
d. Metalloids
4. Carbohydrates are composed of ?
a. Carbon, hydrogen and oxygen
b. Oxygen, hydrogen and nitrogen
c. Nitrogen, carbon and oxygen
d. Carbon, hydrogen and nitrogen
5. When milk is converted into curd, the sour taste is due to ?
a. Acetic acid
b. Citric acid
c. Lactic acid
d. Tartaric acid
6. Which one of the following alloys melts at the lower temperature ?
a. Brass
b. Bronze
c. German silver
d. Solder
7. Which is the lightest element in the universe ?
a. Helium
b. Hydrogen
c. Nitrogen
d. Silicon
8. Human blood has the highest percentage of ?
a. Basophils
b. Eosinophils
c. Monocytes
d. Neutrophils
9. If a boy’s father has haemophilia and his mother has one gene for it, what is the chance that the boy will inherit the disease?
a. 25%
b. 50%
c. 75%
d. 100%
10. The Gastric juice contains ?
a. Pepsin, lipase, and rennin
b. Trypsin, lipase, and rennin
c. Trypsin pepsin and lipase
d. Trypsin pepsin and rennin
Answer:
1) c
2) b
3) d
4) a
5) a
6) d
7) b
8) d
9) b
10) a