As temperature increases, initially the rate of reaction will _____...? Mcqs

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As temperature increases, initially the rate of reaction will _____...?

(A) Decrease
(B) Remain constant

(C) Fluctuate
(D) Increase

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Vitamin C is essential for___________...?

(A) Appetite
(B) Growth & repairing of tissues

(C) Muscles
(D) Brain

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“Plague” is a disease, spread by...?

(A) Cow
(B) Cat

(C) Rat
(D) Dog

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The Kuiper belt and Oort cloud were first proposed by...?

(A) Dutch astronomer Kuiper in 1950
(B) Dutch astronomer Jan Oort in 1950

(C) Dutch astronomer Kuiper Oort in 1950
(D) French astronomer Jan Oort and Kuiper in 1950

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Lenses form images through ______...?

(A) Dispersion
(B) Diffraction

(C) Refraction
(D) Reflection

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Liquid secreted by the pancreas, which contains a variety of _____...?

(A) Hormones
(B) Vitamins

(C) Acids
(D) Enzymes

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In which of the following, speed of the sound is maximum...?

(A) Gold
(B) Sea water

(C) Air
(D) Space

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Water has been discovered on which potentially habitable super-Earth ...?

(A) K2-14d
(B) K2-15c

(C) K2-13a
(D) K2-18b

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An astronaut inside a spacecraft is in a state of weightlessness. This implies that...?

(A) The mass of the astronaut is reduced to zero
(B) Gravity inside the spacecraft ceases to act

(C) The astronaut is outside the influence of the earth’s gravitational force
(D) The astronaut and the spacecraft are both in a free-failing state

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Tooth decay is caused by...?

(A) Salt
(B) Sugar

(C) Calcium
(D) Formalin

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