1. A concave lens always forms an image which is
a real and erect
b virtual and erect
c real and inverted
d virtual and inverted
2. A vitamin requires cobalt for its activity. The Vitamin is
a B12
b D
c B2
d A
3. One of the constituents of tear gas is
a Ethane
b Ethanol
c Ether
d Chloropicrin
4. The modulus of rigidity is the ratio of
a longitudinal stress to longitudinal strain
b Volume stress to volume strain
c shearing stress to shearing strain
d tensile stress to tensile strain
5. the propagation of sound waves in a gas involes
a adiabatic compression and rarefraction
b isothermal compression and rarefration
c isochoric compression and rarefration
d isobaric compression and rarefraction
6. An atomic clock is based on transitions in
a Sodium
b Caesium
c Magnesium
d Aluminium
7. Plasma membrance in eukaryotic cells is made up of
a Phospholipid
b Lipoprotein
c Phospholipo-protein
d Phospho-protein
8. Which one of the following is also called the 'power plants' of the cell
a Golgi body
b Mitochondrion
c Ribosome
d Lysosome
9. What is the chemical name of vingar:
a Citric Acid
b Acetic Acid
c Pyruvic Acid
d Mallic Acid
10. Which of the following is not a property of heavy water:
a. boiling point of heavy water is lower than that of ordinary water
b. Density of heavy water is higher than that of ordinary water.
c. Freezing point of heavy water is greater than ordinary water.
d. It produces corrosion
a real and erect
b virtual and erect
c real and inverted
d virtual and inverted
2. A vitamin requires cobalt for its activity. The Vitamin is
a B12
b D
c B2
d A
3. One of the constituents of tear gas is
a Ethane
b Ethanol
c Ether
d Chloropicrin
4. The modulus of rigidity is the ratio of
a longitudinal stress to longitudinal strain
b Volume stress to volume strain
c shearing stress to shearing strain
d tensile stress to tensile strain
5. the propagation of sound waves in a gas involes
a adiabatic compression and rarefraction
b isothermal compression and rarefration
c isochoric compression and rarefration
d isobaric compression and rarefraction
6. An atomic clock is based on transitions in
a Sodium
b Caesium
c Magnesium
d Aluminium
7. Plasma membrance in eukaryotic cells is made up of
a Phospholipid
b Lipoprotein
c Phospholipo-protein
d Phospho-protein
8. Which one of the following is also called the 'power plants' of the cell
a Golgi body
b Mitochondrion
c Ribosome
d Lysosome
9. What is the chemical name of vingar:
a Citric Acid
b Acetic Acid
c Pyruvic Acid
d Mallic Acid
10. Which of the following is not a property of heavy water:
a. boiling point of heavy water is lower than that of ordinary water
b. Density of heavy water is higher than that of ordinary water.
c. Freezing point of heavy water is greater than ordinary water.
d. It produces corrosion