MOST IMPORTANT 15 MCQS FROM BIOLOGY FOR NEET AND MDCAT WITH ANSWER KEY

1. If the hippocampus is damaged what will happen:

a. Memory loss

b. Loss of vision

c. Loss of sense of smell

d. Loss of hearing ability

2. Which of the following are antibody-producing cells:

a. T-helper lymphocytes

b. Plasma B-cells 

c. Basophils

d. Killer T-cells

3. The most abundant cartilage in the body:

a. Fibrocartilage 

b. Elastic cartilage

c. Hyaline

d. Calcified cartilage

4. The most abundant leucocytes are:

a. Neutrophils

b. Monocytes

c. Lymphocytes

d. none

5. The process of gaseous exchange occurs by:

a. Simple diffusion

b. Active transport

c. both

d. none

6. Most abundant intracellular ions are:

a. K+

b. Cl-

c. Na+

d. Ca++

7. An important center of emotions in the brain is:

a. Thalamus

b. Amygdala

c. Cerebrum

d. Hippocampus

8. Which nerves make the sympathetic nervous system:

a. Cranial nerves only 

b. Spinal nerves only

c. both

d. none

9. The receptors for neurotransmitters are present on:

a. Presynaptic membrane

b. Postsynaptic membrane

c. Synaptic cleft

d. None

10. Which gland is important in regulating the immune system:

a. Thyroid gland

b. Pineal gland

c. Adrenal gland 

d. Thymus gland

11. Major portion of a bone is:

a. Organic 

b. Inorganic 

c. equal amount of organic and inorganic portions

d. None

12. The hormone responsible for female secondary sexual characters:

a. Progesterone

b. Relaxin

c. Estrogen

d. Inhibin

13. The spinal cord receives sensory input via:

a. Dorsal root 

b. Ventral root

c. Both

d. None

14. Coastal cartilage is a type of:

a. Elastic cartilage

b. Hyaline cartilage

c. Fibrous cartilage

d. None

15. Which vertebrae are attached to the pelvic girdle:

a. Cervical

b. Thoracic

c. Lumbar

d. Sacral

Ans key:

1. a

2. b

3. c

4. a

5. a

6. a

7. b

8. b

9. b

10. d

11. b

12. c

13. a

14. b

15. d

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