What is the dimensions of A4 size paper?

• 210 mm X 297 mm
• 217 mm X 290 mm
• 200 mm X 300 mm
• none of these
Correct Option: A  [ A4 measures 210mm x 297mm or 8.27inches x 11.69inches ]

Remark: Legal- 21.59mm X 35.56mm

Which of the following diseases is caused by H₁N₁, virus ?

• Swine flu
• Dengue
• AIDS
• Bird flu
Correct Option: A  [ Swine flu ]

Remark:

Ozone layer is situated in the upper regions of

• Troposphere
• Stratosphere
• Magnetosphere
• Mesosphere
Correct Option: B  [ Stratosphere ]

Remark:

Lens is made up of:

• pyrex glass
• flint glass
• ordinary glass
• cobalt glass
Correct Option: B  [ flint glass ]

Remark:

The acid present in the stomach of human beings is:

• HNO₃
• H₂CO₃
• HCl
• H₂SO₄
Correct Option: C  [ HCl ]

Remark:

Adult Filaria worms live in human:

• Blood
• Lymphatics
• Liver
• Intestine
Correct Option: B  [ Lymphatics ]

Remark:

Which of the following is not a renewable source of energy ?

• Natural gas
• Geothermal energy
• Flowing water
• Biomass
Correct Option: A  [ Natural gas ]

Remark:

The isotope used for the production of atomic energy is:

• U-235
• U-238
• U-234
• U-236
Correct Option: A  [ U-235 ]

Remark:

If a liquid is heated in space under no gravity, the transfer of heat will take place by process of:

• conduction
• convection
• radiation
• cannot be heated in the absence of gravity
Correct Option: C  [ radiation ]

Remark:

Which of the following statements is correct ?

• Protons are negatively charged and are present in the nucleus
• Electrons are positively charged and are present in the nucleus
• Electrons are negatively charged and are present in the orbits
• The entire mass of atom is distributed in the orbits
Correct Option: C  [ Electrons are negatively charged and are present in the orbits ]

Remark: