In a railway track, two rails are joined end to end with a gap tin between them because...? Mcqs

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In a railway track, two rails are joined end to end with a gap tin between them because...?

(A) Steel can be saved
(B) Accidents due to contraction in winter can be avoided

(C) Air gaps are necessary for bearing the weight of running train
(D) Accidents due to expansion in summer can be avoided

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The subatomic particles arriving from outer space having high energy are called...?

(A) Protons
(B) Electrons

(C) Cosmic rays
(D) None of the above

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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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The average length of the kidney of a man is about...?

(A) 7cm to 8cm
(B) 8cm to 10 cm

(C) 10cm to 13 cm
(D) 13cm to 16cm

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Which of the following regulates the Metabolism Of Sugar...?

(A) Thyroid
(B) Insulin

(C) Glucose
(D) None of These

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White bloods cells are also known as________...?

(A) Thrombocytes
(B) Leucocytes

(C) Erythrocytes
(D) None of These

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A term biotype means ___________...?

(A) all individuals having same phenotype
(B) all individuals having same genotype

(C) all individual with different phenotype
(D) all individuals with different genotype

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Most gases conduct electricity at:...?

(A) Normal pressure
(B) Very low pressure

(C) Very high pressure
(D) None of these

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Of the six noble gases in the periodic table, which is the lightest...?

(A) Nitrogen
(B) Hydrogen

(C) Helium
(D) Oxygen

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A slow-running pendulum clock can be speeded up by_______________...?

(A) Increasing the length of the rod
(B) Increasing the weight of the bob

(C) Reducing the length of the rod
(D) Reducing the weight of the bob

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