General Science - Mock Test 36

Question 351

In ferns the xylem is?

A) Exarch B) Endarch C) Mesarch D) Polyarch

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Question 352

If the current and the voltage are out of phase by 90 degree, then the power is?

A) Maximum B) Minimum C) Zero D) None of these

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Question 353

If two liquids have widely different boiling points, they may be separated by?

A) Steam distillation B) Fractional distillation C) Decantation D) Sublimation

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Question 354

In a nuclear reactor, one of the following is used as a fuel?

A) Coal B) Uranium C) Radium D) Diesel

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Question 355

In an atomic explosion enormous energy is released which is due to the?

A) Conversion of mass into energy B) Conversions of neutrons into protons C) Conversion of chemical energy into nuclear energy D) Conversion of mechanical energy into nuclear energy

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Question 356

In eye donation, which one of the following parts of donor's eye is utilised?

A) Iris B) Retina C) Lens D) Cornea

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Question 357

In an atomic nucleus, neutrons and protons are held together by?

A) Gravitational forces B) Coulombic forces C) Magnetic forces D) Exchange forces

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Question 358

A woman who rents her womb to produce a child for others is known as?

A) Biological mother B) Surrogate mother C) Step mother D) Foster mother

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Question 359

Acid rain is caused due to pollution of atmosphere by?

A) Oxides of carbon and nitrogen B) Oxides of nitrogen and phosphorous C) Oxides of nitrogen and sulphur D) None of these

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Question 360

Age of fossil may be found out by determining the ratio of two isotopes of carbon. The isotopes are?

A) C-12 and carbon black B) C-12 and C-14 C) C-12 and C-13 D) C-13 and C-14

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