Which of the following is the most stable element...? Mcqs

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Which of the following is the most stable element...?

(A) Uranium
(B) Hydrogen

(C) Oxygen
(D) Lead

Latest MCQs

Which of the following pollutants in water causes “Minamata disease...?

(A) Methyl Mercury
(B) Lead

(C) Salmonella
(D) Perchlorate

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During germination of maize seed, first part arises from the seed is...?

(A) Radical Root
(B) Cotyledon

(C) Hypocotyl
(D) Plumule

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The number of vibrations produced by a vibrating body in a second is called...?

(A) Velocity
(B) Amplitude

(C) Frequency
(D) Wavelength

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Approximately, how many times each day do our heart valves open and close normally...?

(A) 10,000
(B) 1,00,000

(C) 1,50,000
(D) 2,00,000

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During a total solar eclipse there is most likely to be_____________...?

(A) A decrease in the rate of photosynthesis
(B) An increase in the rate of photosynthesis

(C) A decrease in the rate of respiration
(D) No effect on either photosynthesis or respiration

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Which of the following is not an enzyme...?

(A) Chemotrypsin
(B) Secretin

(C) Pepsin
(D) none

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Year is longest on : _____________...?

(A) Mercury
(B) Venus

(C) Mars
(D) The Earth

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If an enclosed gas container with moveable piston is heated. What will happen...?

(A) Volume will be decreased
(B) Volume will remain constant

(C) Volume will be increased
(D) Pressure will be increased

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The fourth state of matter is...?

(A) Water
(B) Salts

(C) Vapours
(D) Plasma

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