Which of the following is not a viral disease ?

• Tuberculosis
• Polio
• Swine flu
• Hepatitis
Correct Option: A  [ Tuberculosis ]

Remark:

Which of the following is an aquatic fern?

• Adiantum
• Dryopteris
• Salvinia
• Equisetum
Correct Option: C  [ Salvinia ]

Remark: Salvinia, a genus in the family Salviniaceae, is a floating aquatics with creeping stems, branched, bearing hairs on the leaf surface papillae but no true roots, named in honor of Anton Maria Salvini, Italian scientist.

Main constituents of biogas are:

• Methane and carbon monoxide
• Butane and carbon monoxide
• Methane and carbon dioxide
• Ethylene and carbon dioxide
Correct Option: C  [ Methane and carbon dioxide ]

Remark:

A solar eclipse occurs when the :

• earth comes between the Sun and the Moon
• Sun comes between the earth and the moon
• Moon is at right angle to the earth
• Moon comes between the Sun and the Earth
Correct Option: D  [ Moon comes between the Sun and the Earth ]

Remark:

The purest form of iron is

• White cast iron
• Grey cast iron
• Wrought iron
• Steel
Correct Option: C  [ Wrought iron ]

Remark:

To an astronaut in space, the sky appears to be:

• Red
• White
• Dark
• Blue
Correct Option: C  [ Dark ]

Remark:

All ships have sonar system. It is used to detect /measure :

• Distance of the shore
• Sound on the surface
• Sound of animals in Sea
• Depth of ocean
Correct Option: D  [ Depth of ocean ]

Remark:

Which of the following is an operating system ?

• Floppy
• Windows Xp
• Oracle
• ROM
Correct Option: B  [ Windows Xp ]

Remark:

A car is moving on a road and rain is falling vertically. Select the correct answer:

• The rain will strike the wind screen only
• The rain will strike the front screen only
• The rain will strike both the screens
• The rain will not strike any of the screens
Correct Option: B  [ The rain will strike the front screen only ]

Remark:

What is the scientific name of Vitamin- C :

• Turtaric Acid
• Folic Acid
• Ascorbic Acid
• Oxalic Acid
Correct Option: C  [ Ascorbic Acid ]

Remark: