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General Knowledge (GK)

General Science

All MCQs

All MCQs

21.

Which organ is responsible for filtering and removing toxins and waste products from the blood?

A

B

C

D

22.

What is the primary function of the circulatory system?

A

B

C

D

23.

Which system is responsible for maintaining electrolyte balance and blood pressure?

A

B

C

D

24.

What is the term for the basic unit of the nervous system, responsible for transmitting nerve signals?

A

B

C

D

25.

Where is the thymus gland located in the human body?

A

B

C

D

26.

What is the term for the process of converting food into energy within the body's cells?

A

B

C

D

27.

Which of the following is a function of the endocrine system?

A

B

C

D

28.

Where is the spleen located in the human body?

A

B

C

D

29.

What is the primary function of the reproductive system in males?

A

B

C

D

30.

What is the term for the process of breaking down food in the digestive system using enzymes and stomach acids?

A

B

C

D