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Quiz

1. An annaerobic species of the bacterium Clostridium causes a very serious disease in human populations. Which of the following diseases is it ?

(1) Botulism
(2) Typhoid
(3) Tuberculosis
(4) Pneumonia

2. The ozone layer of the earth is useful for living beings because ?

(1) It maintains the temperature of the earth
(2) It protects them from excessive ultraviolet rays of the sun
(3) It serves as the source of oxygen by decomposing air
(4) It maintains the nitrogen cycle of the earth

3. Nitrification refers to ?

(1) Reduction of nitrate into molecular nitrogen
(2) Reduction of nitrate into ammonia
(3) Oxidation of ammonia into nitrate
(4) Fixation of molecular nitrogen

4. Most fish do not sink in water due to the presence of ?

(1) Air sinuses
(2) Swimmerets
(3) Swim bladder
(4) Buoyant scales on the body

5. Some flowering plants produce assergenic pollen grains. Which of the following is/are such plants ?

(1) Fat hen (bathu)
(2) Spiny Amaranth
(3) Congree grass
(4) All the above

6. Rubella is also known as ?

(1) Black Measles
(2) German Measles
(3) Red Measles
(4) All of the above

7. Population refers to ?

(1) All the animals, including man, living in a particular area
(2) All the organisma, plants as well as animals, living in a particular area
(3) All the human beings living in a particular area
(4) Individuals of a particular species living in an area

8. Gene, the basic unit of heredity, was first synthesized in the laboratory by ?

(1) Arthur Kornberg
(2) Gregor Mendel
(3) Hargobind Khorana
(4) Watson and Crick

9. An ecosystem consists of ?

(1) All the plant and animals of an area
(2) A living community and its environment
(3) Carnivores and herbivores of an area
(4) Producer, consumer, and decomposers in a particular locality

10. Malaria can be cured with a drug extracted from ?

(1) Amaltas tree
(2) Belladonna tree
(3) Cinchona tree
(4) Oak tree

11. At very high altitude, the Red Blood corpuscles in the human body will ?

(1) Increase in number
(2) Decrease in number
(3) Increase in size
(4) Decrease in size

12. Deficiency of which one of the following causes knock-knee, bow legs and pigeon chest in children ?

(1) Vitamin A
(2) Vitamin B
(3) Vitamin D
(4) Vitamin E

13. Persons, who are colour blind, cannot distinguish between ?

(1) Black and yellow
(2) Green and blue
(3) Red and green
(4) Yellow and white

14. What is the cause of the disease 'myxoedema' in adult human beings ?

(1) Hypoparathyroidism
(2) Hypothyroidism
(3) Hyper thyroidism
(4) Hyperparathyroidism

15. If saccharine, an artificial sweetener which is 70 times sweeter than sugar, is kept in the following insects will it attract first ?

(1) Ants
(2) Beer
(3) House flies
(4) None of these

16. The medical instrument sphygmomanometer is used to examine ?

(1) Brain tumor
(2) Blood pressure
(3) Hormonal activity
(4) The functions of intestine

17. From which of the following sources does an athlete get instant energy ?

(1) Carbohydrates
(2) Fat
(3) Protein
(4) Vitamin

18. Development of an egg without fartillization is called ?

(1) Gametogenesis
(2) Metamorphosis
(3) Oogenesis
(4) Parthenogenesis

19. Which is the organ that excretes water, fat and various catabolic wastes ?

(1) Kidney
(2) Spleen
(3) Salivary glands
(4) Skin

20. Which from the following is not a gland ?

(1) Pancreas
(2) Kidney
(3) Liver
(4) Stomach

21. An ant can see the objects all around it due to the presence of ?

(1) Compound eyes
(2) Eyes over the head
(3) Simple eyes
(4) Well developed eyes

22. Which disease is more common among agricultural workers as compared to urban population ?

(1) Cancer
(2) Cirhosis of liver
(3) Hookworm infection
(4) Lung's disease

23. Aspirin is ?

(1) A hypnotic
(2) An analgesic
(3) An antipyretic
(4) Both analgesic and antipyretic

24. The substances materials usede as water softner is are ?

(1) Asbestos
(2) Gypsum
(3) Quartz
(4) Zeolites

25. The harmone that contains iodine is ?

(1) Adrenaline
(2) Insulin
(3) Testosterone
(4) Thyroxine

26. Protein responsible for blood clotting is ?

(1) Fibrinogen
(2) Albumin A
(3) Fibroin
(4) Globulin

27. Fat-soluble pigments are ?

(1) Alkaloids
(2) Lignins
(3) Flavonoids
(4) Tannins

28. Taxol is an ?

(1) Analgesic
(2) Antibiotic
(3) Antipyretic
(4) Anticancer agent

29. First synthetically prepared organic compound was ?

(1) Benzene
(2) Glucos
(3) Methane
(4) Urea

30. A popular microbial insecticide is ?

(1) Bacillus thuringiensis
(2) Candida cylindracea
(3) Staphylococcus aureus
(4) Yeast

31. Biotechnologically, interferon is produced by using ?

(1) Bacterial cells
(2) Papain
(3) Baker's yeast
(4) Insulin

32. The acid present in nucleic acids is ?

(1) Carbonic acid
(2) Phosphoric acid
(3) Nitric acid
(4) Sulphruric acid

33. In order to lower the temperature below 0-degrees, the substance mixed with ice is ?

(1) Lime
(2) Magnesium sulphate
(3) Sodium carbonate
(4) Sodium chloride

34. The metral most abundantly used by man is ?

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

35. Saliva hydrolyses starch to ?

(1) Acetic acid
(2) Fructose
(3) Glucose
(4) Sucrose

36. The substance that contains the maximum amount of nitrogen is ?

(1) Ammonium chloride
(2) Ammonium nitrate
(3) Ammonium sulphate
(4) Urea

37. Indigo is used in the ?

(1) Food industry
(2) Dyeing industry
(3) Perfumery industry
(4) Pharmaceutical industry

38. The branch of chemistry that deals with living systems is known as ?

(1) Biological chemistry
(2) Inorganic chemistry
(3) Organic chemistry
(4) Physical chemistry

39. The man active constituent of tea and coffee is ?

(1) Aspirin
(2) Caffeine
(3) Chlorophyll
(4) Nicotine

40. The gas used for inflating balloons is ?

(1) Air
(2) Hydrogen
(3) Helium
(4) Nitrogen

41. Which of the following is the function of "Iodised salt" in the human body ?

(1) It slows down the ageing process
(2) It makes the body immune to viral diseases
(3) It controls the functions of the thyroid glands
(4) It helps in checking the cholesterol level in blood

42. What is the approximate time required for a heart-beat ?

(1) 0.5 Second
(2) 0.8 Second
(3) 0.5 Minute
(4) 1.0 Minute

43. The poisonous substance that is the main constituent of tobacco is ?

(1) Aspirin
(2) Reserpine
(3) Morphine
(4) Nicotine

44. The substance that causes the worst air pollution is ?

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

45. Gasoline is the name given to the same substance as ?

(1) Diesel oil
(2) Crude oil
(3) Petrol
(4) Natural gas

46. Emeralds are made up of ?

(1) Beryllium
(2) Carbon
(3) Gold
(4) Silica

47. River water is harder than rain water because it ?

(1) Contains sodium chloride
(2) Contains salts of calcium and magnesium
(3) Is always flowing
(4) Is exposed to the atmosphere

48. All acides essentially contain the element ?

(1) Chlorine
(2) Hydrogen
(3) Oxygen
(4) Sulphur

49. Antibodies is the name given to ?

(1) Harmful bacteria
(2) Poisonous substances
(3) Substances formed in the blood that inhibit or destroy harmful bacterial attacks
(4) Viruses that causes that cause infections

50. An example of a 'cross-linked polymer' is ?

(1) Bakelite
(2) PVC
(3) Polythene
(4) Nylon

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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