a) 43 minutes
b) 4.3 seconds
c) 4.3 minutes
d) 4.3 years
2. An electric kettle used for boiling hard water has a white scale deposited on its heating element. This consists of
a) Sugar
b) Sodium carbonate
c) Common salt
d) Carbonates of calcium & magnesium
3. The pigment which is responsible for blood clotting is
a) Fibrinogen
b) Haemoglobin
c) Glucose
d) Blood cells
4. Which, among the following, is a solid non-metal?
a) Chlorine
b) Mercury
c) Water
d) Iodine
5. Ozone layer is present in
a) Statosphere
b) Troposphere
c) lonosphere
d) Exosphere
6. Which of the following metals was not known to the Indus Valley people?
a) Tin
b) Lead
c) Iron
d) Copper
7. On chemical analysis, a bottle cork is found to contain primarily
a) Proteins
b) Carbohydrates
c) Tannins
d) Lipids
8. A ‘Sabha’ in the Vedic period was a/an
a) Institution of professional men in villages
b) Royal Court
c) Mantri Parishad
d) National Assembly of all Citizens of the State.
9. The last in the succession of Jaina Tirthankaras was
a) Parsvanatha
b) Rishabha
c) Mahavira
d) Manisubruta
10. Which was the port town of the Indus Valley Civilization?
a) Mohenjadaro
b) Kalibangan
c) Ropar
d) Lothal
Answers:
1. d) 4.3 years2. d) carbonates of calcium & magnesium3. a) Fibrinogen4. d) Iodine5. a) Statosphere6. c) Iron7. b) Carbohydrates8. d) National Assembly of all Citizens of the State.9. c) Mahavira10. d) Lothal
Thanks.