A process in which light rays falls on any material object and these rays bounce back is known as...? Mcqs

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A process in which light rays falls on any material object and these rays bounce back is known as...?

(A) Reflection
(B) Refraction

(C) Diffusion
(D) Absorption

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Larva of a bee is also called...?

(A) Egg
(B) Pupa

(C) Adult
(D) Grub

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During which process does heat transfer occur because of density differences__________...?

(A) Convection
(B) Radiation

(C) Conduction
(D) None of these

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When a standard is set for a quantity then standard quantity is called ____...?

(A) Unit
(B) Measurement

(C) Quantity
(D) Dimension

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Which element is called earth maker...?

(A) Oxygen
(B) Silicon

(C) Carbon
(D) Hydrogen

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What is bacteria that helps make yogurt ...?

(A) Escherichia Coli
(B) Staphylococcus aureus

(C) Lactobacillus
(D) All of these.

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Nucleus is responsible for cell division because it contains nuclear material called...?

(A) Mitochondria
(B) Ribosomes

(C) Lysosomes
(D) Chromosomes

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A mode of heat transfer that occurs by the mass motion of a fluid is called...?

(A) Radiation
(B) Convection

(C) Conduction
(D) None

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The 2018 Nobel Prize in Physiology or Medicine has been awarded jointly to James P Allison and Tasuku Honjo for their discovery of which cancer...?

(A) Chemotherapy
(B) Radiation

(C) Surgery
(D) Immunotherapy

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Conversion of free energy into different forms by living organisms is called...?

(A) Biophysics
(B) Biomechanics

(C) Bioenergetics
(D) Biochemistry

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