Tuesday, 29 December 2015

General Science - 2

16. The concept of Mutation was first introduced by
(a) Karl Landsteiner (b) Hugo de Vries
(c) William Roentgen (d) Thomas Edison
Answer:(b )

17. Which of the following disease is caused by virus?
(a) Dysentery (b) Common Cold
(c) Appendicitis (d) Peptic Ulcer
Answer:(b )

18. The scientific name of Malabar Grey Hornbill is
(a) Pavo cristatus
(b) Ocyceros griseus
(c) Corvus splendens
(d) Panthera tigris
Answer:( b)

19. Chemically, lime water is
(a) Calcium Hydroxide
(b) Sodium Hydroxide
(c) Calcium Bicarbonate
(d) Calcium Sulphate
Answer:( a)

20. Plants that grow in saline water are called
(a) Xerophytes  (b) Halophytes
(c) Acidophytes (d) Mesophytes
Answer:( b)

21. The Recent outbreak of Ebola is a fatal disease caused by
(a) Bacteria (b) Virus
(c) protozoan (d) Insects
Answer:(b )

22. The main active constituent of tea and coffee is
(a) Nicotine (b) caffeine
(c) Alcohol  (d) Aspirin
Answer:( b)

23. Which one among the following radiations carries maximum energy?
(a) Ultraviolet rays (b) Gamma Rays
(c) X-rays  (d) IR Rays
Answer:(b )

24. Which one of the following is a good conductor of electricity?
(a) Iron (b) Copper
(c) Steel (d) Human Body
Answer:(d )

25. Who is regarded as the father of modern chemistry?
(a) Rutherford (b) CV Raman
(c) Einstein  (d) Lavoisier
Answer:(d )

26. The hardest form of carbon is
(a) Graphite  (b) Diamond
(c) Charcoal  (d) Coke
Answer:(b )

27. The human body is made up of several chemical elements; the element present in the highest proportion (65%) in the body is
(a) Carbon (b) Oxygen
(c) Nitrogen (d) Calcium
Answer:( b)

28. The National Chemical Laboratory is situated in
(a) New Delhi  (b) Bengaluru
 (c) Pune (d) Thiruvananthapuram
Answer:( c)

29. Iron pipes are coated with zinc to prevent corrosion. This method is called
(a) Galvanization (b) Condensation
(c) Sedimentation (d) Crystallization
Answer:(a )

30. Gobar gas mainly consist of
(a) Methane (b) Carbon Monoxide
(c) Ethylene  (d) Acetylene
Answer:( a)
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