1250+ Interesting Biology Questions Answers MCQ

Q:

The somatosensory receptors in human beings detect ______.

A) taste	B) smell
C) touch	D) hear

Answer & Explanation Answer: C) touch

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Q:

Which of the following is NOT a form of Monosaccharide Sugar?

A) Galactose	B) Glucose
C) Fructose	D) Maltose

Answer & Explanation Answer: D) Maltose

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Q:

Which among the following is also called as 'power house of the cell'?

A) Plastids	B) Mitochondria
C) Golgi bodies	D) Cell wall

Answer & Explanation Answer: B) Mitochondria

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Q:

Which of the following is responsible for giving colour to human skin?

A) Luciferin	B) Haemoglobin
C) Flavonoids	D) Melanin

Answer & Explanation Answer: D) Melanin

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Q:

Animals in which the cells are arranged in two embryonic layers are called ________.

A) Diploblastic	B) Extoderm
C) Tripoblastic	D) Endoderm

Answer & Explanation Answer: A) Diploblastic

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Q:

Which one of the following statements regarding haemoglobin is correct?

A) Haemoglobin present in RBC can carry only oxygen but not carbon dioxide	B) Haemoglobin of RBC can carry both oxygen and carbon dioxide
C) Haemoglobin of RBC can carry only carbon dioxide	D) Haemoglobin is only used for blood clotting and not for carrying gases.

Answer & Explanation Answer: B) Haemoglobin of RBC can carry both oxygen and carbon dioxide

Explanation:

During respiration, about 97% of oxygen is transported by Red Blood Cells in blood and the remaining 3% gets dissolved in the plasma.Around 20-25% of carbon dioxide is carried by haemoglobin as carbamino-haemoglobin.

Oxygen enters the blood from the lungs and carbon dioxide is expelled out of the blood into the lungs. The blood serves to transport both gases. Oxygen is carried to the cells. Carbon dioxide is carried away from the cells.

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Q:

Bryophytes are also called ____________ of the plant kingdom.

A) Mammals	B) Amphibians
C) Reptiles	D) Insecta

Answer & Explanation Answer: B) Amphibians

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Q:

The alimentary canal is a long tube that extends from ______.

A) mouth to stomach	B) stomach to large intestine
C) small intestine to anus	D) mouth to anus

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