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General Knowledge about science and Technology

1. Which animal never drinks water in its entire life?
a. Kangaroo
b. Hippopotamus
c. Rat
d. Kangaroo rat

2. What is the physical phase of life called?
a. Protoplasm
b. Cytoplasm
c. Organelles
d. None of the above

3. The largest cell is ________________
a. Nerve Cell
c. The egg of an Ostrich
d. None of the above

4. Which is the largest human cell?
a. Liver
b. Skin
c. Spleen
d. Ovum

5. _________________ is the longest cell.
a. Nerve Cell
b. Skin
c. Spleen d
d. None of the above

6. What is the name of the cells in the body that engulf foreign particles like bacteria?
a. Phagocytes
b. Globulin
c. Fibrinogen
d. Albumin

7. There are _____ number of muscles in human.
a. 638
b. 637
c. 639
d. 640

8. What is the life span of RBC?
a. 130 days
b. 110 days
c. 100 days
 d. 120 days

9. What is the life span of WBC?
a. 2-15 days
b. 3-15 days
c. 4-15 days
d. 5-20 days

10. Which is the vertebrate that has two chambered heart?
a. Fish
b. Snake
c. Blue Whale
d. Crocodile

11. The number of ribs in a human body is _____.
a. 23
b. 24
c. 25
d. 22

12. Which is the smallest flightless bird?
a. Kiwi
b. Penguin
c. Ostrich
d. Rhea

13. Saurology is the study of ____.
a. Mosquitoes
b. Snake
c. Lizards
d. Cockroach

14. Hormones are produced by _____________
a. Endocrine glands
b. Pituitary glands
c. Hypothalamus
d. Pancreas

15. Which of the following is the ‘master gland’?
a. Thymus gland
b. Pancreas
c. Pineal gland
d. Pituitary gland

16. What is the full form of ADH?
a. Anti Diuretic Hormone
b. Adhesive Diuretic Hormone
c. Acidic Diuretic Hormone
d. Adenosine Double Hormone

17. What is the normal value of blood sugar in the body?
a. 80 to 120mg/100 ml of blood
b. 70 to 120mg/100 ml of blood
c. 90 to 120mg/100 ml of blood
d. 60 to 120mg/100 ml of blood

18. Which is the largest blood vessel in the body?
a. Alveoli
b. Artery
c. Aorta
d. Vein

19. Which of the following carries impure blood?
a. Pulmonary artery
b. Pulmonary vein
c. Alveoli
d. Aorta

20. Who had performed the world’s first heart transplant?
a. Dr. Venugopal
b. William Harvey
c. Christian Bernard
d. None of the above

21. Which of the following is not an allotrope of Carbon?
a. Diamond
b. Graphite
c. Fullerenes
d. Glass

22. What is the formula of Sulfuric acid?
a. H2SO4
b. SO2
c. Na2SO4
d. K2SO4

23. How are the following elements arranged in the Periodic table?
H, He, Li, Be and B
a. H, He, Li, Be and B
b. H, Li, He, Be and B
c. H, He, Be, Li and B
d. H, Be, He, B and Li

24. What is the number of periods in which Periodic table is divided?
a. 6
b. 7
c. 8
d. 9

25. There are ___ Groups in the Periodic table.
a. 18
b. 17
c. 16
d. 15

26. Which one of the following is not an element of Noble gases?
a. Helium
b. Neon
c. Xenon
d. Hydrogen

27. Mole is defined as the number of atoms found in __ of carbon-12?
a. 11 grams
b. 14 grams
c. 10 grams
d. 12 grams

28. Which of the following is not a mixture?
a. Steel
b. Aluminium
c. Graphite
d. Glass

29. Alloys are _______________
a. Harder than the pure metal
b. Harder than the impure metal
c. Softer than the pure metal
d. Softer than the impure metal

30. What is the name of that process in which oxygen is removed?
a. Oxidation
b. Electrolysis
c. Ionization
d. Reduction

31. Rusting is an ___________ reaction.
a. Ionization
b. Oxidation
c. Reduction d
d. None of the above

32. What is needed for rusting to occur?
a. Water
b. Oxygen
c. Water and Oxygen
d. Carbon dioxide

33. All acids are _______________ 
a. Corrosive when they are strong
b.Corrosive when they are weak
c. Irritant when they are strong
d. None of the above

34. When an acid reacts with a metal carbonate, the products formed are _____________
a. Salt, Water and Carbon dioxide
b. Salt and Water
c.Water and Carbon dioxide
d. Salt and Carbon dioxide

35. Which one is an alkaline among the following?
a. Vinegar
b. Saliva
c. Ammonia
d. Acid rain

36. In Periodic table elements are arranged according to their ______
a. Mass number
b. Atomic and Mass number
c. Atomic number
d. None of the above

37. What is an Isotope?
a. Atoms of an element having different mass number
b. Atoms of an element having same mass number
c. Atoms of an element having different atomic number
d. Atoms of an element having same atomic number

38. Atomic number is represented by which letter?
a. A
b. M
c. X
d. Z

39. Which science is sometimes called ‘central science’?
a. Physics
b. Chemistry
c. Biology
d. Geology

40. Which acid is used in the body to help digestion?
a. Hydrochloric Acid
b. Sulphuric Acid
c. Acetic Acid
d. Boric Acid

41. What is the scientific name of Laughing Gas?
a. Nitrous Oxide
b. Phosphorous Pentoxide
c. Sodium Bicarbonate
d. Carbon Tetrachloride

42. What is a young horse called?
a. Colt
b. Filly
c. Foal
d. Hack

43. Who coined the word Dinosaur for ‘terrible lizard’?
a. Benjamin Waterhouse Hawkins
b. Georges Cuvier
c. Gideon Mantell
d. Richard Owen

44. What term is used to describe th e cultivation of plants without soil?
a. Aeroponics
b. Aquaponics
c. Fogponics
d. Hydroponics

45. What are the brighter areas on the sun’s surface called?
a. Analemma
b. Corona
c. Faculae
d. Nanoflares

46. What did “x”mean in “xrays”?
a. Cross
b. Mark
c. Star
d. Unknown

47. In which year was Nobel Prizes awarded first?
a. 1901
b. 1912
c. 1923
d. 1924

48. Which of the following were the objectives of the Mission Chandrayaan-1?
i. to design, develop, launch and orbit a spacecraft around the Moon using an Indian-made launch-vehicle
ii. to conduct scientific experiments using instruments on the spacecraft
iii. to detect water-ice on the Moon
a. Only (i)
b. Only (ii)
c. Only (iii)
d. All the above

49. When is World Forestry Day celebrated?
a. March 3
b. March 21
c. March 22
d. March 23

50. Which of the following is not a fertilizer product?
a. Di-ammonium Phosphate
b. Calcium Carbonate
c. Nitrogen phosphorous potassium complexes
d. Urea

51. Which is the first atomic plant established in India?
a. Kaiga
b. Kakrapar
c. Kalpakkam
d. Tarapur

52. When is World Ozone Day observed?
a. September 16
b. September 27
c. October 16
d. October 17

53. Which of the following countries is not the member of the Nuclear Suppliers Group?
a. Argentina
b. Belgium
c. Canada
d. Iran

54. Which one of the following does not belong to the Millennium Goals set by UNO?
a. Eradicate extreme poverty and hunger
b. Achieve universal primary education
c. Promote gender equality and empower women
d. Improve computer literacy

55. Which instrument determines specific gravity of liquids?
a. Gravimeter
b. Hydrometer
c. Hygrometer
d. Hypsometer

56. Which spacecraft was the first to land on the Moon?
a. Apollo 10
b. Apollo 11
c. Apollo 13
d. Sputnik

57. Who discovered antiseptic surgery?
a. Alexander Fleming
b. Edward Jenner
c. Joseph Lister
d.Louis Pasteur

58. Which of the following uses radio waves to determine the range, altitude, direction, or speed
of objects?
a. Lidar
c. Radar
 d. Sonar76

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