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

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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