In which cell organelle do photo and thermochemical reactions occur in different sites?

A. Ribosomes

B. Golgi apparatus

C. Chloroplast

D. Mitochondria

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What is the second most abundant element in the earth‟s crust?

A. Silicon

B. Aluminium

C. Sodium

D. Magnesium

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If the Kinetic Energy of a body is increased by 300%, how much will its momentum increase?

A. 50%

B. 100%

C. 150%

D. None of these

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