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Quiz

1. Most glasses contain about 71% by weight of ?

(1) Calcium carbonate
(2) Carbon dioxide
(3) Silicon dioxide
(4) Sulfur dioxide

2. The theory of 'jumping genes' was propounded by ?

(1) Barbara McClintock
(2) Gregor Johann Mendel
(3) Thomas Hunt Morgan
(4) Watson and Crick

3. Interferon is ?

(1) A hormone
(2) An antibacterial drug
(3) An antiviral agent
(4) An anticancer agent

4. The commonly-used medicine for typhoid is ?

(1) A sulpha drug
(2) Ascorbic acid
(3) Chloroquin
(4) Chloromycetin

5. Anaemia occurs due to the lack of ?

(1) Iron
(2) Calcium
(3) Iodine
(4) Potassium

6. The Central Drug Research Institute (CDRI, India) is located in ?

(1) Allahabad
(2) Bangalore
(3) Delhi
(4) Lucknow

7. The most commonly used substance in fluorescent tubes are ?

(1) Mercury vapour and argon
(2) Mercuric oxide and neon
(3) Sodium oxide and argon
(4) Sodium vapour and neon

8. For respiration, deep-sea diverse use a mixture of ?

(1) Oxygen and helium
(2) Oxygen and nitrogen
(3) Oxygen and carbon dioxide
(4) Hydrogen and oxygen

9. Milk is an example of ?

(1) Gel
(2) Foam
(3) Suspension
(4) Emulsion

10. Chemical composition of Aspirin is ?

(1) Acetyl salicylic acid
(2) Benzoic acid
(3) Phenol
(4) Salicylic acid

11. Dolomite is an ore of ?

(1) Mg
(2) Fe
(3) Pb
(4) Zn

12. Polythene is industrially prepared by the polymerization of ?

(1) Acetylene
(2) Ethane
(3) Ethylene
(4) Methane

13. In order to prevent the corrosion of iron pipes, they are often coated with a layer of zinc. This process is termed as ?

(1) Annealing
(2) Electroplating
(3) Vulcanization
(4) Galvanization

14. Cooking oil can be converted into vegetable ghee by the process of ?

(1) Distillation
(2) Crystallisation
(3) Hydrogenation
(4) Oxidation

15. Laundry soap is ?

(1) A mixture of sodium salts of synthetic sulphonic acids
(2) A mixture of sodium salt of higher fatty acids of natural origin
(3) Sodium sulphate
(4) Sodium carbonate

16. The acid present in lemons and oranges is ?

(1) Acetic acid
(2) Oxalic acid
(3) Hydrochloric acid
(4) Citric acid

17. The greatest number of compounds are formed by the element ?

(1) Carbon
(2) Hydrogen
(3) Oxygen
(4) Nitrogen

18. The gas used for artificial ripening of green fruit is ?

(1) Acetylene
(2) Carbon dioxide
(3) Ethylene
(4) Ethane

19. Dissolved oxygen should not be less than______mg/l of water ?

(1) 2
(2) 3
(3) 4
(4) 5

20. The first metal to be used by man was ?

(1) Aluminium
(2) Copper
(3) Silver
(4) Iron

21. The drug, reserpine is used to ?

(1) Alleviate pain
(2) Cure arthritis
(3) Reduce high palpitation
(4) Reduce high blood pressure

22. Radiocarbon dating is used to estimate the ages of ?

(1) Fossils
(2) Babies
(3) Ancient buildings
(4) Rocks

23. Absolute alcohol is ?

(1) 95% Alcohol and 5% water
(2) 100% Of proof
(3) 200% Proof
(4) Rectified spirit

24. The purest form of water is ?

(1) Heavy water
(2) Distilled water
(3) Rain water
(4) Tap water

25. Marsh gas, formed from decaying organic matter and in coal mines , is ?

(1) Carbon monoxide
(2) Carbon dioxide
(3) Ethane
(4) Methane

26. 'Gobar gas' contains mainly ?

(1) Acetylene
(2) Carbon dioxide
(3) Ethylene
(4) Methane

27. The metal that occurs in the pure form in earth's crust is ?

(1) Copper
(2) Magnesium
(3) Platinum
(4) Sodium

28. The compound used as an anti-malarial drug is ?

(1) Aspirin
(2) Chloroquine
(3) Hydroquinone
(4) Penicillin

29. In hospitals, the oxygen tubes for respiration contain oxygen and ?

(1) Argon
(2) Carbon dioxide
(3) Helium
(4) Nitrogen

30. A micron is equivalent to ?

(1) 0.01 mm
(2) 0.01m
(3) 0.001 mm
(4) 0.0001 mm

31. In the industrial production of vegetables ghee, the process involved is ?

(1) Reduction
(2) Dissociation
(3) Oxidation
(4) Ionisation

32. The purity of primary gold is ?

(1) 24 quartz
(2) 24 carat
(3) 22 carat
(4) 32 carat

33. During fermentation of sugar, the chief compound always formed is ?

(1) Acetic acid
(2) Ethylene
(3) Ethyl alcohol
(4) Methyl alcohol

34. PVC plastic are obtained from vinyl chloride by the process of ?

(1) Distillation
(2) Cracking
(3) Reduction
(4) Polymerization

35. It is not advisable to sleep under a tree at night because trees release ?

(1) Carbon monoxide
(2) Carbon dioxide
(3) Oxygen
(4) Sulphur dioxide

36. A geostationary satellite revolves from ?

(1) East to West
(2) West to East
(3) North to South
(4) South to North

37. Velocity of sound will be ?

(1) Smaller in moist air than in dry air
(2) Greater in most air than in dry air
(3) Same in moist and dry air
(4) Independent of in density

38. The good absorbers of heat are ?

(1) Highly polished
(2) Good emitters
(3) Poor emitters
(4) Non-emitter

39. The thermometer suitable to measure 2000-degrees is ?

(1) Vapour pressure thermometer
(2) Gas thermometer
(3) Mercury thermometer
(4) Total radiation pyrometer

40. The hydraulic brakes used in automobiles is a direct application of ?

(1) Archimedes' principle
(2) Bemoulli theorem
(3) Pascal's Law
(4) Toricellian theorem

41. The velocity of sound is largest in ?

(1) Air
(2) Water
(3) Steel
(4) Vacuum

42. Pitch of sound depends upon it ?

(1) Frequency
(2) Amplitude
(3) Periodicty and regularity
(4) Wavelength

43. A becterium divides every minute and takes an hour to fill a cup. How much time will it take to fill half the cup ?

(1) 15 Minutes
(2) 30 Minutes
(3) 59 Minutes
(4) 60 Minutes

44. Syphilis is caused by ?

(1) Bacillus
(2) Vibrio
(3) Gonococcus
(4) Spirochaete

45. In countries where polished rice is the main cereal in their diet, people suffer from ?

(1) Osteomalacia
(2) Beri-beri
(3) Pellagra
(4) Scurvy

46. Organisms which have similar external appearance with reference to a particular character are called ?

(1) Analogous
(2) Homologous
(3) Phenotypes
(4) Phenocopies

47. Some fungi have been found to caused diseases in man. Which of the following do you think is one such ?

(1) Aspergillus
(2) Agaricus
(3) Rhizopus
(4) Puccinia

48. Which of the following is a famous agricultural scientist who has been awarded a Nobel peace Prize ?

(1) Hargobind Khorana
(2) S Chandrasekhar
(3) M S Swaminathan
(4) Norman Borlaug

49. A white woman marries a black man. They have four children-2 sons and 2 daughters. What proportion of thes children is likely to be black ?e

(1) 25%
(2) 50%
(3) 100%
(4) None

50. Some plants develop fruits without fertilization. This phenomenon is called ?

(1) Apogamy
(2) Apocarpy
(3) Syncarpy
(4) Parthenocarpy

9 thoughts on “Scroll Content

  1. xtra ordinary site, n cmplt info availble over here..bt vil u plz update the current affairs of oct& nov as far as psbl,espcialy those r useful 4r banking..

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