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Current Affairs January 2024

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Deficiency of iron causes

A. nervous disorders

B. heart diseases

C. anaemia

D. impairment of vision

Correct Answer :

C. anaemia


Related Questions

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In the process of purification of water for town supply, the substance used to remove bad smell and colour from water is

A. charcoal

B. bleaching powder

C. chlorine

D. carbolic acid

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Stainless steel contains steel and

A. manganese

B. vanadium

C. nickel

D. chromium

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The purest form of carbon is

A. animal charcoal

B. coal

C. wood charcoal

D. sugar charcoal

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The simplest hydrocarbon is

A. benzene

B. methane

C. ethane

D. butane

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A light alloy having high tensile strength is

A. German silver

B. solder

C. magnalium

D. bell metal

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The term 'nucleons' apples to

A. neutrons

B. protons

C. protons and neutrons

D. protons and electrons

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The gas which has a faint sweet odour is

A. nitrogen

B. nitrous oxide

C. nitric oxide

D. nitrogen peroxide

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Compounds containing only carbon and hydrogen are called

A. carbohydrates

B. carbides

C. hydrocarbons

D. carbonyls

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Gasoline is obtained from crude petroleum by

A. fractional distillation

B. fractional crystallisation

C. sublimation

D. evaporation

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The Combined Gas Law equation is

A. P1V1T1 = P2 V2 T2

B. P1V1T2 = P2V2T1

C. P = P1 + P2 + P3

D. C =

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The discoverer of chloroform was

A. Liebig

B. Pasteur

C. Bunsen

D. Erlenmeyer

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Deficiency of iron causes

A. nervous disorders

B. heart diseases

C. anaemia

D. impairment of vision

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Which one of the following gases is extremely soluble in water?

A. Carbon dioxide

B. Ammonia

C. Chlorine

D. Hydrogen sulphide

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The kinetic energy of gas molecules

A. is unaffected by temperature variations

B. decreases with increase of temperature

C. increases with decrease of temperature

D. increases with increase of temperature

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Which of the following is used in fuel to propel rockets?

A. Petrol

B. Kerosene

C. Hydrazine

D. Alcohol

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Rayon la made from

A. cotton

B. wool

C. cellulose

D. silk

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Which one of the following is not radioactive?

A. Astatine

B. Francium

C. Tritium

D. Zirconium

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Water always contains hydrogen and oxygen in the ratio 1:8 by weight. This is in accordance with the

A. Law of Multiple Proportions

B. Law of Definite Proportions

C. Law of Conservation of Mass

D. Law of Reciprocal Proportions

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When ants bite, they inject

A. glacial acetic acid

B. methanol

C. formic acid

D. stearic acid

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Calomel is

A. lead chloride

B. mercurous chloride

C. mercuric chloride

D. calcium sulphate

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Lunar caustic is

A. calcium sulphate

B. ammonium chloride

C. caustic soda

D. silver nitrate

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A non-material kind of pollution is

A. land pollution

B. air pollution

C. noise pollution

D. water pollution

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The compounds produced by plants in the process of photosynthesis are

A. carbohydrates

B. proteins

C. salts

D. fats

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Oxalic acid is used in the manufacture of

A. tincture iodine

B. paints

C. ink

D. aerated water

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The addition of a neutron to the nucleus of an atom

A. increases the atomic mass of the atom

B. decreases the atomic mass of the atom

C. increases the charge on the nucleus

D. decreases the charge on the nucleus

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The most abundant noble gas present in air is

A. neon

B. argon

C. helium

D. krypton

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Which of the following is not a chemical change?

A. Burning of magnesium ribbon in air

B. Distillation of water

C. Heating of cane sugar

D. Setting of cement

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The non-metal which is electropositive is

A. chlorine

B. nitrogen

C. sulphur

D. hydrogen

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Flint glass contains

A. potassium and lead silicates

B. zinc and barium borosilicates

C. potassium and calcium silicates

D. sodium and calcium silicates

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Laughing gas is

A. nitric oxide

B. nitrogen peroxide

C. nitrogen pentoxide

D. nitrous oxide