The physical quantity which is measured as Kg m/s² is:

• Work
• Power
• Force
• Motion
Correct Option: C  [ Force ]

Remark:

A rocket functions on which of the following laws ?

• Newtons first law
• Newtons second law
• Newtons third law
• All of the above
Correct Option: C  [ Newtons third law ]

Remark:

Marijuana, a psychoactive drug is obtained from:

• seeds of pop
• capsules of poppy
• female inflorescence of cannabis
• male inflorescence of cannabis
Correct Option: C  [ female inflorescence of cannabis ]

Remark:

What does the term Dolby B or Dolby C printed on tape recorders and other sound systems refer to?

• frequency modulated system
• amplitude modulated system
• noise reduction circuit
• both DC and AC power can be used
Correct Option: C  [ noise reduction circuit ]

Remark:

Which of the following processes is responsible for transforming liquid into vapour ?

• Condensation
• Evaporation
• Transpiration
• Sublimation
Correct Option: B  [ Evaporation ]

Remark:

Which one of the following animals is not "warm-blooded"?

• Hen
• Tiger
• Bat
• Toad
Correct Option: D  [ Toad ]

Remark: frogs and toads are cold-blooded. This means their body temperatures change to match the temperatures of their environment.

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:

A man inside a moving train tosses a coin, the coin falls behind him. The train is moving:

• forward with a uniform speed
• backward with a uniform speed
• forward with deceleration
• forward with acceleration
Correct Option: D  [ forward with acceleration ]

Remark: