Science Technology Questions Answers

41. Who is credited with inventing the telescope?

  • A) Galileo Galilei
  • B) Hans Lipperhey
  • C) Johannes Kepler
  • D) Christiaan Huygens
Answer: Hans Lipperhey

42. What causes polio?

  • A) Bacteria
  • B) Protozoa
  • C) RNA Virus
  • D) Parasite
Answer: RNA Virus

43. Where was India's first hydroelectric power plant established?

  • A) Sivasamudram
  • B) Bhakra
  • C) Darjeeling
  • D) Koyna
Answer: Darjeeling

44. To which biochemical category do enzymes belong?

  • A) Proteins
  • B) Nucleic acids
  • C) Polysaccharides
  • D) Triglycerides
Answer: Proteins

45. What does a deficiency of folic acid cause?

  • A) Anaemia
  • B) Rickets
  • C) Beriberi
  • D) Goitre
Answer: Anaemia

46. Who discovered that plants have life?

  • A) C.V. Raman
  • B) Jagadish Chandra Bose
  • C) P.C. Ray
  • D) H.J. Bhabha
Answer: Jagadish Chandra Bose

47. What deficiency causes pernicious anemia?

  • A) Vitamin A
  • B) Vitamin B12
  • C) Vitamin D
  • D) Vitamin E
Answer: Vitamin B12

48. What does saliva help to digest?

  • A) Proteins
  • B) Starch
  • C) Fats
  • D) Sugars
Answer: Starch

49. What does a sudden fall in barometer reading indicate?

  • A) Clear skies
  • B) Stormy weather
  • C) High humidity
  • D) Calm winds
Answer: Stormy weather

50. Insulin is classified under which type of biological molecule?

  • A) Glycolipid
  • B) Carbohydrate
  • C) Protein
  • D) Nucleic Acid
Answer: Glycolipid
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