MCQs

Q131: Which planet is known as Morning or Evening Star?

• A) Mercury
• B) Venus
• C) Jupiter

Q132: The human cell contains _____ chromosomes?

• A) 44
• B) 45
• C) 46

Q133: Bending ability of light when passing from one medium to another is commonly observed in the phenomenon of ______?

• A) Sublimation
• B) Refraction
• C) Convection

Q134: Which of the following Planet has the smallest diameter?

• A) Venus
• B) Earth
• C) Mercury

Q135: The boiling point of water on a centigrade scale is?

• A) 80°C
• B) 90°C
• C) 100°C

Q136: Which radiation/particle/rays has highest/more penetrating power energy among these?

• A) Gamma rays
• B) Alpha rays
• C) Beta rays

Q137: What is Dry Ice?

• A) Solid oxygen
• B) Solid Nitrogen
• C) Solid Carbon dioxide

Q138: Ions are charged particles of atoms and form negative and positive charges due to ____?

• A) Proton
• B) Electron
• C) Neutron

Q139: Responsible for blood clotting?

• A) Red blood cells
• B) White blood cells
• C) Platelets

Q140: Red colour of the blood is due to ______?

• A) Haemoglobin
• B) Myoglobin
• C) Thyroglobin