Q1. Leptospirosis is a disease caused by—
(a) Virus
(b) Fungus
(c) Protozoa
(d) None
Q2. The most abundant metal in the Earth's crust is—
(a) zinc
(b) copper
(c) aluminium
(d) iron
Q3. Hepatitis affects which organ of the human body?
(a) Liver
(b) Pancreas
(c) Spleen
(d) Small intestine
Q4. Which one of the following is an ohmic conductor?
(a) Germanium
(b) Silicon
(c) Carbon
(d) Silver
Q5. Anemometer is an instrument meant for measuring __________ .
(a) velocity
(b) air masses
(c) wind speed
(d) temperature
Q6. Increased RBC's in the blood leads to a condition called __________ .
(a) Anemia
(b) Haemophilia
(c) Polycythemia
(d) Leukaemia
Q7. The spring balance works on the principle of __________ .
(a) Boyle's Law
(b) Hooke's Law
(c) Bernoulli's principle
(d) Pascal's Law
Q8. The blotting technique used to identify the isolated protein is ________
(a) Northern blotting
(b) Western blotting
(c) Southern blotting
(d) Cloning
Q9. If there were no gravity, which of the following will not be there for a fluid?
(a) Viscosity
(b) Surface Tension
(c) Pressure
(d) Upward Thrust
Q10. Calcium salts used as fertilizer is:
(a) Calcium Carbide
(b) Calcium Carbonate
(c) Calcium Cyanide
(d) Calcium Sulphate
Q11. The liberation of oxygen during photosynthesis is due to __________ .
(a) hydrolysis of carbohydrates
(b) photolysis of water
(c) reduction of CO2
(d) breakdown of chlorophyll
Q12. Formic acid is produced by __________ .
(a) White ants
(b) Cockroaches
(c) Red ants
(d) Mosquitoes
Q13. Which one of the following forms of phosphorus is most reactive?
(a) Black phosphorus
(b) White phosphorus
(c) Violet phosphorus
(d) Red phosphorus
Q14. Which mosquito is the carrier of Zika virus?
(a) Culex
(b) Aedes
(c) Anopheles
(d) Culiseta
Q15. Root cap is derived from—
(a) Dermatogen
(b) Calyptrogen
(c) Protoderm
(d) Histogen
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