X-rays were discovered by __________...? Mcqs

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X-rays were discovered by __________...?

(A) Wilhelm Conrad Roentgen
(B) Thomson

(C) Ernest Rutherford
(D) Bacquerel

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In how many days pluto revolves around the sun _____...?

(A) 88 years
(B) 248 years

(C) 12 years
(D) 84 years

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One gram of carbohydrates give energy of the amount...?

(A) 2 K Calories
(B) 4.1 K Calories

(C) 6.3 K Calories
(D) 8.0 K Calories

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Which of the following is the major constituents of LPG...?

(A) methane
(B) ethane

(C) hydrogen
(D) butane

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Which of the following is a diverse group of hydrophobic molecules...?

(A) Carbohydrates
(B) Lipids

(C) Proteins
(D) Nucleic acids

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Which of the following allows all light to pass through it...?

(A) Book
(B) Air

(C) Wood
(D) Newspaper

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In whole Periodic Table which element Is Most Reducing Agent ...?

(A) Chlorine
(B) lithium

(C) Helium
(D) Neon

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Epsom salt is chemically known as_________...?

(A) Copper Sulfate
(B) Magnesium Sulfate

(C) Ferrous Sulfate
(D) None of these

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The two elements that are frequently used for making transistors are :...?

(A) Boron and aluminium
(B) Silicon and Germanium

(C) Iridium and Tungston
(D) None of these

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Common food sources of Vitamin A are:___________...?

(A) Milk, eggs, butter, cheese, cream, and liver
(B) White sugar, honey, and sugar cane

(C) Broccoli, apricots, cantaloupe, carrots, sweet potato, spinach
(D) Both A and C

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