G.K. Practice Test: Question Set - 06
1. How many red blood cells does the bone marrow produce every second?
- (A) 5 million
- (B) 7 million
- (C) 10
million
- (D) 12 million
2. “RH” factor is a term that we hear in connection with
- (A) Space Travel
- (B) Blood
Transfusion
- (C) Air Pressure
- (D) Blood
Pressure
3. The branch of Science which shows inter-relationship of living organism and their environment is
- (A) Ecology
- (B) Genetics
- (C) Anatomy
- (D) Cell Biology
4. Which of the following causes Poliomyelitis?
- (A) Dengue virus
- (B) Enterovirus
- (C) Mumps virus
- (D) Rhabdovirus
5. Deforestation in the uplands may cause pollution in rivers through
- (A) Leaching of
salts
- (B) Erosion and
silting
- (C) Inflow of
forest material
- (D) Increased
discharge rate
6. Toxin is a poisonous substance produce by
- (A) Some
higher plants
- (B) Certain
animals
- (C) Pathogenic
bacteria
- (D) All of the
above
7. Night blindness is caused by the deficiency of
- (A) Vitamin A
- (B) Vitamin B
- (C) Vitamin C
- (D) Vitamin D
8. Exposure to sunlight helps a person improve his health because
- (A) The
infrared light kills bacteria in the body
- (B) Resistance
power increases
- (C) The
pigment cells in the skin get stimulated and produce a healthy tan
- (D) The
ultraviolet rays convert skin oil into Vitamin D
9. Chocolates can be bad for health because of high content of
- (A) Cobalt
- (B) Nickel
- (C) Zinc
- (D) Lead
10. Small amounts of iodine are necessary in our diet to
- (A) Prevent
pellagra
- (B) Compensate
for under-active the thyroid gland
- (C) Stimulate
clotting of blood
- (D) Stimulate
pituitary gland
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