Wednesday, 13 April 2022

BIOLOGY (Revision) (X)

1) Name the gland which secretes insulin.

2) name the part of the brain which is concerned with memory.

3) Write the function in one word:
A) white blood cell
B) kidney 
C) myelin sheath
D) spinal cord

4)a) The blood vessel which carries oxygenated blood to the heart is ____(aorta, pulmonary vein, pulmonary artery)
b) Myopia can be corrected by __(convex lens, concave lens, surgery).

5) Difference between
cerebrum and cerebellum (function)

6) a) Presbyopia is generally an age related eye defect. T/F
b) Deafness is caused due to rupturing of the pinna. T/F
c) Over secretion of thyroxine causes simple goitre. T/F

7) one man function of
A) ear ossicles
B) Irish
C) pituitary gland

8) Odd one out
a) spleen, Thymus, pancreas, tonsil

9) difference between 
A) blood plasma and serum
B) neuron and nephron
C) night blindness and colour blindness

10) draw a diagram of the human excretory system and lebel the following:
 A) renal Cortex, renal medulla, renal pelvis, ureter, urinary bladder, urethra.
B) List the main constituent of normal human urine.
C) name the blood vessel which enter and leave the kidney.

11) Explain:
A) Abnormally large numbers of WBCs in the blood is usually an indication of some infection in our body.
B) veins have valves at intervals in their inner lining whereas the arteries do not have valves.
C) Insulin is injected into the body of a highly diabetic patient and not given orally.

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