Enzymes are organic catalysts made up of __________...? Mcqs

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Enzymes are organic catalysts made up of __________...?

(A) Carbohydrates
(B) Proteins

(C) Nucleic Acid
(D) Fats

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Select the mismatched one of the followings...?

(A) Plastids → Storage of chemicals
(B) Centriole → Help in cell division

(C) Ribosomes → Synthesis of steroids
(D) Mitochondria → Synthesis of ATP

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The gases which are used by drivers as an artificial atmosphere are helium and_____________...?

(A) Nitrogen
(B) Oxygen

(C) Neon
(D) Carbon monoxide

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Water enters the root hair by ____...?

(A) Diffusion
(B) Osmosis

(C) Active Transport
(D) Transpiration

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Which of the following is commonly called a polyamide ...?

(A) Rayon
(B) Nylon

(C) Terylene
(D) Orion

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Rate of evaporation of petrol is greater than that of water at room temperature because:...?

(A) petrol molecules do not have any hydrogen bond
(B) petrol is an organic compound

(C) water molecules have small size
(D) petrol molecules have greater size

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Solid can be converted into liquid by...?

(A) Heating
(B) Cooling

(C) Both A and B
(D) None

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Total internal reflection of light is possible when light enters from ____...?

(A) Air to water
(B) Glass to glass

(C) Water to air
(D) Air to glass

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Synthetic resins are used on places where _______...?

(A) Electric resistance is required
(B) Water resistance is required

(C) Adhesion is required
(D) Friction is required

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When a single month has two full moons, the second moon is called________...?

(A) Super moon
(B) Blue moon

(C) Super blue moon
(D) Red moon

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