General Science MCQs

General Science MCQs contains 1000 questions and their answers. These are very useful for all kinds of SSC, RRB, State Services and Central level Services exams. These questions are collected from previous years exams of Civil Services.

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