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

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

Remark:

Which among the following diseases are not bacterial?

• Cholera and Diphtheria
• Malaria and trichomonasis
• Tetanus and typhoid
• Tuberculosis and leprosy
Correct Option: C  [ Tetanus and typhoid ]

Remark:

The motion of which particle through a metallic wire is called electric current?

• Electron
• Positron
• Neutron
• Photon
Correct Option: A  [ Electron ]

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:

Sericuluture is a rearing practice of :

• Fishes
• Silk worm
• Honey bees
• Earth worm
Correct Option: B  [ Silk worm ]

Remark:

What is condensation?

• Change of Solid into liquid
• Change of vapour into liquid
• Change of Liquid into Gas
• None of these
Correct Option: B  [ Change of vapour into liquid ]

Remark:

The bats can fly in the dark because:

• they can see the objects in darkness
• they have weak legs and are likely to be attacked by predators
• they generate flashes of light
• they generate ultrasonic sound waves
Correct Option: D  [ they generate ultrasonic sound waves ]

Remark:

The most abundant metal in the Earth crust is:

• zinc
• copper
• aluminium
• iron
Correct Option: C  [ aluminium ]

Remark:

Iron deficiency in Blood is referred as

• Goitre
• Anaemia
• Osteoporosis
• Kwashiorko
Correct Option: B  [ Anaemia ]

Remark:

Light year is a unit of measurement of

• speed of light
• stellar distances
• speed of rockets
• time
Correct Option: B  [ stellar distances ]

Remark: