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Most of important MCQs for 1st year MBBS

 


1.The functional unit of the kidney is called the:



A. Neuron

B. Nephron

C. Lobule

D. Sarcomere


2. The epiphyseal plate is responsible for which type of bone growth?


A. Width

B. Length

C. Density

D. Strength 


3. Which vitamin is essential for calcium absorption in the intestine?


A. Vitamin A

B. Vitamin B12

C. Vitamin D

D. Vitamin K

4. The pacemaker of the heart is the:

A. AV node

B. SA node

C. Purkinje fibers

D. Bundle of His

5. The main site of RBC destruction is the:


A. Kidney

B. Bone marrow

C. Spleen

D. Liver

6. The basic structural and functional unit of a muscle fiber is the:

A. Sarcomere

B. Myelin

C. Nephron

D. Osteon

7. Which type of joint is the shoulder joint.?

A. Hinge joint

B. Pivot joint

C. Ball and socket joint

D. Saddle joint


8. Which hormone increases blood glucose levels?

A. Insulin

B. Glucagon

C. Thyroxine

D. ADH

9. The primary energy currency of the cell is:

A. NADH

B. ATP

C. GTP

D. FADH₂

10. The largest organ of the human body is the:

A. Liver

B. Skin

C. Brain

D. Heart



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