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Current Affairs January 2024

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Riboflavin deficiency causes

A. tongue inflammation

B. pellagra

C. night blindness

D. anaemia

Correct Answer :

A. tongue inflammation


Related Questions

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The oldest known organic compound is

A. urea

B. methane

C. acetic acid

D. benzene

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Which of the following is not a characteristic of potable water?

A. It must be free from suspended impurities

B. It must be free from harmful bacteria

C. It must contain traces of sodium bicarbonate

D. It must have a fishy odour

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One of the ingredients of the paste on the side of a match box is

A. phosphorus pentaoxide

B. phosphorus trichloride

C. phosphorus trisulphide

D. phosphorus trioxide

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Which of the following is not an antibiotic?

A. streptomycin

B. terramycin

C. aureomycin

D. codein

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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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In photography, the compound or nitrogen used is

A. Potassium nitrate

B. Silver nitrate

C. Ammonium carbonate

D. Ammonium bicarbonate

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A compound of carbon used as anaesthetic is

A. carbon disulphide

B. carbon tetrachloride

C. phosgene

D. chloroform

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Which one of the following elements is alloyed with iron to produce steel which can resist high temperatures and also have high hardness and abrasion resistance?

A. Aluminium

B. Chromium

C. Nickel

D. Tungsten

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________ is left behind after distillation of petroleum.

A. Arsenic

B. Barium

C. Benzene

D. Bitumen

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A non-metal which is a good conductor or heat and electricity is

A. iodine

B. sulphur

C. graphite

D. phosphorus

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Gases have

A. a definite shape but not volume

B. a definite volume and shape

C. a definite volume but not shape

D. neither definite volume nor shape

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Which of the following is not a food material?

A. silicate

B. protein

C. fat

D. carbohydrate

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Plastics are synthetic

A. rubbers

B. fibres

C. resins

D. sugars

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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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4

Which of the following is baking soda?

A. Na2CO3 . 10H2O

B. NaHCO3

C. Na2CO3 . H2O

D. NH4CI

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The poisonous nature of carbon monoxide is due to

A. cutting off supply of oxygen

B. it™s being converted into carbon dioxide

C. its combination with haemoglobin of blood

D. its blocking of vocal chords

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Compounds of nitrogen with metals are called

A. nitrates

B. nitrites

C. hyponitrates

D. nitrides

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According to the modern Periodic Law, the properties of elements are periodic functions of their

A. valency

B. atomic mass

C. number of neutrons

D. atomic number

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Nylon is made from

A. terephthalic acid and ethylene glycol

B. hexamethylene diamine and adipic acid

C. cellulose nitrate

D. cellulose acetate

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A metal which exhibits allotropy is

A. cobalt

B. tin

C. manganese

D. platinum

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Which of the following biology laboratory?

A. Phenol

B. Benzaldehyde

C. Formaldehyde

D. Acetic acid

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Gold dissolves in aqua regia due to the formation of

A. chloro auric acid

B. auric chloride

C. gold nitrate

D. aurous chloride

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A compound used both as a fungicide and as a disinfectant is

A. chlorine

B. carbon monoxide

C. sulphur dioxide

D. o-cresol

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An element which is preserved under water is

A. Sodium

B. red phosphorus

C. white phosphorus

D. sulphur

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Which of the following is a communicable disease caused by viruses?

A. Cholera

B. Dysentery

C. Diabetes

D. Measles

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Which of the following statements regarding natural radioactivity is true?

A. It is spontaneous disintegration of atoms

B. It is induced by bombardment with projectiles

C. It is transmutation of atoms with projectiles

D. It is dependent on temperature

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The scientist associated with the discovery of the nucleus was

A. Rutherford

B. Moseley

C. Niels Bohr

D. J.J. Thomson

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Which among the following is a metalloid?

A. Tin

B. Silver

C. Iodine

D. Arsenic

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A substance used as a fire-extinguisher under the trade name of Pyrene is

A. carbon dioxide

B. chloroform

C. carbon tetrachloride

D. bleaching powder

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Which of the following is called 'the King of Chemicals?

A. Nitric acid

B. Hydrochloric acid

C. Silver nitrate

D. Sulphuric acid