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Quiz

1. Which among the following element is found in free state ?

(1) Phosphorus
(2) Sulphur
(3) Magnesium
(4) Iodine

2. Boyle's law is a relationship between ?

(1) Pressure and volume
(2) Pressure and temperature
(3) Volume and temperature
(4) Volume and density

3. Which of the following compounds is commonly used as an antiseptic in mouth washes and toothpastes ?

(1) Borax
(2) Hydrogen peroxide
(3) Sodium chloride
(4) Salt petre

4. Milk tastes sour when kept in the open for sometime due to the formation of ?

(1) Carbonic acid
(2) Citric acid
(3) Acetic acid
(4) Lactic acid

5. When litmus is added to an alkaline solution, the colour becomes ?

(1) Blue
(2) Red
(3) Purple
(4) Pink

6. Which of the following metals form an amalgam with other metals ?

(1) Tin
(2) Lead
(3) Mercury
(4) Zinc

7. In a refrigerator, what produces the cooling ?

(1) The evaporation of a volatile liquid
(2) The ice which deposits on the freezer
(3) The sudden expansion of a compressed gas
(4) None of these

8. Which of the following is used to remove ink and rust stains on cloth ?

(1) Alcohol
(2) Oxalic acid
(3) Ether
(4) Kerosene oil

9. Which form of carbon is diamond ?

(1) Alkaline
(2) Amorphous
(3) Crystalline
(4) Chemical

10. What are soaps chemically ?

(1) Paraffins
(2) Mild alkalies
(3) Mild acids
(4) Salts

11. In the atmosphere ultraviolet rays are absorbeb by ?

(1) Oxygen
(2) Ozone
(3) Helium
(4) Nitrogen

12. Which of the following is used for writing on glass ?

(1) Hydrogen fluoride
(2) Hydrogen iodide
(3) Graphite
(4) Silicon

13. Milk is a natural ?

(1) Mixture
(2) Emulsion
(3) Solution
(4) Suspension

14. Depletion of ozone is due to ?

(1) Carbon dioxide
(2) Carbon monoxide
(3) Mercuric oxide
(4) Chlorofluoro carbon

15. The process of heating sulphur with rubber is called ?

(1) Bessemerisation
(2) Galvanisation
(3) Sulphonation
(4) Vulcanisation

16. Which metal is used in storage battery ?

(1) Copper
(2) Iron
(3) Lead
(4) Zinc

17. The bright red colour produced due to bursting of crackers is due to ?

(1) Magnesium
(2) Strontium
(3) Sodium
(4) Sulphur

18. Potassium meta-bisulphite is used as a food preservative for ?

(1) Fruit juices
(2) Tomato ketchups
(3) Pickles
(4) Squash

19. Hardest allotrope of carbon is ?

(1) Coke
(2) Diamond
(3) Graphite
(4) Lamp black

20. Cellulose is made up of units of ?

(1) Glucose
(2) Fructose
(3) Galactose
(4) Maltose

21. A person will have brown eyes, blue eyes or black eyes depending upon the particular pigment present in the ?

(1) Choroid
(2) Cornea
(3) Iris
(4) Vitreous body

22. Hemophilia, a human disease, is caused by ?

(1) Bacterial infection
(2) Mutant gene
(3) Fungal infection
(4) Viral infection

23. Which one of the following is a true fruit ?

(1) Apple
(2) Coconut
(3) Cashewnut
(4) Pineapple

24. People who consume maize as the main cereal in their diet are susceptible to ?

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

25. Excessive consumption of alcoholic drinks causes damage to the ?

(1) Heart
(2) Kidney
(3) Liver
(4) Lungs

26. Turpentine is obtained from ?

(1) Crude petroleum
(2) Deodar
(3) Oak
(4) Pine

27. Radiocarbon dating is used to find the age of ?

(1) Buildings
(2) Babies
(3) Fossils
(4) Rocks

28. Which country is called the sugar bowl of the world ?

(1) Cuba
(2) Argentina
(3) India
(4) USA

29. That some human diseases are genetically controlled was first established by ?

(1) A E Garrod
(2) Gregor Mendel
(3) William Bateson
(4) Wastson and Crick

30. The total number of ear bones are ?

(1) 2
(2) 4
(3) 6
(4) 8

31. Litmus is obtained from ?

(1) A fungus
(2) A bacterium
(3) An alga
(4) Lichen

32. The antibiotic penicillin is obtained from ?

(1) A bacterium
(2) Synthetic means
(3) Fungus
(4) Virus-infected cells

33. The disease not transmitted by house-fly is ?

(1) Dengue fever
(2) Dysentery
(3) Cholera
(4) Enteric fever

34. A powerful eye irritant present in smog is ?

(1) Peroxyacetyl nitrate
(2) Ozone
(3) Nitric oxide
(4) Sulphur dioxide

35. Which of the following animals have flippers ?

(1) Tortoise and Turtle
(2) Tortoise
(3) Turtle
(4) Water Snake

36. The Red Sea derives its name from the ?

(1) Red bloom caused by a blue-green alga
(2) Red coloured effluents deposited in it
(3) Red bloom caused by a red alga
(4) Profuse growth of a red flowered plant

37. The first surgical transplant of the human heart was performed by ?

(1) Christian Barnard
(2) Gerhard Hansen
(3) Joseph Lister
(4) William de Vries

38. The disease, sickle-cell anaemia, is caused by ?

(1) Poor hygiene
(2) Malarial infection
(3) Iron deficiency
(4) None of these

39. Fruit development without fertilisation is called ?

(1) Apogamy
(2) Parthenocarpy
(3) Polycarpy
(4) Porogamy

40. Hydroponics is concerned with ?

(1) The conservation of water technique
(2) The treatment of water with sound
(3) Growing plants without soil
(4) Growing plants without water but with atmospheric moisture

41. Which are the materials generally employed as solder in soldering operations in electronics ?

(1) Aluminium and iron
(2) Aluminium and lead
(3) Iron and tin
(4) Lead and tin

42. Among the following , which one lays eggs and does not produce young ones directly ?

(1) Echidna
(2) Whale
(3) Porcupine
(4) Kangaroo

43. Fat present below the skin surface in our body, acts as a barrier against ?

(1) Entry of harmful micro-organisms from the environment
(2) Loss of heat from the body
(3) Loss of salt from the body
(4) Loss of essential body fluids

44. The release of which one of the following into ponds and wells helps in comrolling the mosquitoes ?

(1) Crab
(2) Gambusia fish
(3) Dogfish
(4) Snail

45. Which one of the following is a useful functional association between fungi and the roots of higher plants ?

(1) Mycorrhiza
(2) Lichen
(3) Biofertilizer
(4) Coralloid root

46. Pregnant women usually become deficient in ?

(1) Calcium and iron
(2) Iron and sodium
(3) Magnesium and iron
(4) Sodium and calcium

47. Among living organisms, which one of the following is the most responsible factor for bringing about the origin of a new species ?

(1) Isolation
(2) Sexual reproduction
(3) Mutation
(4) Natural selection

48. Endoscopy, a technique used to explore the stomach or other inner parts of the body, is based on the phenomenon of ?

(1) Diffraction
(2) Interference
(3) Polarization
(4) Total internal reflection

49. In which one of the following kinds of organisms is the phenomenon found whereinthe female kills the mail after copulation ?

(1) Dragonfly
(2) Pit viper
(3) Spider
(4) Honeybee

50. Of the four landmarks in medical history given below, which one was the first to take place ?

(1) Bypass surgery
(2) Test tube baby
(3) Plastic surgery
(4) Organ transplantation

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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