General Science MCQs Set [100]

[991] Fat present below the skin surface in our body acts as a barrier against

[A] loss of heat from the body

[B] loss of essential body fluids

[C] loss of salts from the body

[D] entry of harmful micro-organisms from the environment



[992] Consider the following statements regarding nuclear wastes:

[1] The wastes of nuclear reactor emit dangerous radiations for thousands and thousands of years.

[2] There is no method by which we can increase or decrease the rate of decay of these products.

[3] It is not possible to destroy these radionuclides.

Which of the statements given above is/are correct?

[A] 1 only

[B] 1 and 2 only

[C] 2 and 3 only

[D] 1, 2 and 3



[993] Which is widely used antimalarial?

[A] Opium

[B] Quinine

[C] Morphine

[D] Codeine



[994] Aniline yellow, malachite green and crystal violet are the

[A] acidic dyes

[B] basic dyes

[C] direct dyes

[D] ingrain dyes



[995] ——————– is the only place where free oxygen and water vapour exist.

[A] Biosphere

[B] Atmosphere

[C] Hydrosphere

[D] Lithosphere



[996] Bronze is an alloy of

[A] copper and tin

[B] zinc and steel

[C] copper and zinc

[D] zinc and tin



[997] ——————- states that regardless of the multiple stages or steps of a reaction, the total enthalpy change for the reaction is the sum of all changes.

[A] Hess’ law

[B] Lambert’s law

[C] Raoult’s law

[D] Charles’ law



[998] Match the following:

[Antibiotic group]                  [Source]

[1] Cycloheximide               [I] Cephalosporium acremonium

[2] Penicillin                        [II] S. griseus

[3] Cephalosporin               [III] Penicillium chrysogenum

Answer options:

[A] 1-I, 2-II, 3-III

[B] 1-III, 2-II, 3-I

[C] 1-II, 2-III, 3-I

[D] 1-II, 2-I, 3-III



[999] Which organ system of the body is affected by the polio virus?

[A] Liver

[B] Nervous system

[C] Heart

[D] Lungs



[1000] Carbohydrates are the chemical compounds made up of

[1] carbon

[2] hydrogen

[3] oxygen

Answer options:

[A] 1 and 3 only

[B] 1 and 2 only

[C] 2 and 3 only

[D] 1, 2 and 3



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