1250+ Interesting Biology Questions Answers MCQ

Q:

The largest gland of the human body is

A) Pancreas	B) Thyroid
C) Large Intestine	D) Liver

Answer & Explanation Answer: D) Liver

Explanation:

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Q:

Which of the following classes of animals has/have three-chambered heart?

A) Pisces and Amphibia	B) Amphibia and Reptilia
C) Reptilia only	D) Amphibia only

Answer & Explanation Answer: B) Amphibia and Reptilia

Explanation:

Mammalian and avian hearts have four chambers two atria and two ventricles.Amphibians and reptiles, by contrast, have a three-chambered heart. The three-chambered heart consists of two atria and one ventricle.Fish possess the simplest type of true heart a two-chambered organ composed of one atrium and one ventricle.

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Q:

Which of the following is the largest known cell?

A) Eukaryotic Cell	B) Prokaryotic Cell
C) Mycoplasma	D) Ostrich Eggs

Answer & Explanation Answer: D) Ostrich Eggs

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Q:

The process of taking up a permanent shape, size and function to form a permanent tissue is called

A) formation	B) differentiation
C) unification	D) calcification

Answer & Explanation Answer: B) differentiation

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Q:

In September 2017, who launched ‘Pradhan Mantri LPG Panchayat Yojna’?

A) Narendra Modi	B) Dharmendra Pradhan
C) Piyush Goyal	D) R.K. Singh

Answer & Explanation Answer: B) Dharmendra Pradhan

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Q:

__________________ is a drug or substance that makes you feel relaxed and makes your body work and react more slowly.

A) Antidote	B) Analgesic
C) Antihistamine	D) Depressant

Answer & Explanation Answer: D) Depressant

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Q:

Presence of large amounts of nutrients in waters also causes excessive growth of _________ algae.

A) Biomagnification	B) Algal bloom
C) planktonic	D) Eutrophication

Answer & Explanation Answer: C) planktonic

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Q:

Which Virus causes Chicken Pox?

A) Rubella Virus	B) Herpes Zoster Virus
C) Rabies	D) Variola Virus

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