Science Study Questions

Q46. Total number of ear bones are
(a) 2
(b) 3
(c) 4
(d) 6

Q47. The functional unit in Ecology is the
(a) Population
(b) Biosphere
(c) Organism
(d) Ecosystem

Q48. A drug used in the prevention and control of malaria is
(a) Heterozine
(b) Choloroquine
(c) Piperazine
(d) Resorcinol

Q49. The following is used as a lubricant heavy machines
(a) Sulphur
(b) Bauxite
(c) Graphite
(d) Phosphorus

Q50. Who suggests that the earth origin from gas and dust particles
(a) O. Schmid
(b) James Jeans
(c) F. Hoyle
(d) H. Alfven

Q51. The first synthetically prepared organic compound was
(a) Methane
(b) Benzene
(c) Glucose
(d) Urea

Q52. Artificial silk is also known as
(a) Nylon
(b) Rayon
(c) Dacron
(d) Fibre Glass

Q53. The science of ageing is called
(a) Chronology
(b) Odontology
(c) Gyaneacology
(d) Gernotology

Q54. Silk is a product of
(a) Cuticle of larva
(b) Cuticle of adult
(c) Salivary gland of larva
(d) Salivary gland of adult

Q55. Wound healing is enhanced by
(a) Vitamin A
(b) Vitamin B
(c) Vitamin C
(d) Vitamin D

Q56. Life span of human white blood corpuscles is
(a) 24 hours
(b) Less than 10 days
(c) 120 days
(d) 100 hours

Q57. A person with diabetes mellitus does not seceret enough
(a) Sugar
(b) Insulin
(c) Glucagon
(d) Epinephrine

Q58. The best suitable soil for plant growth is
(a) Sandy
(b) Loamy
(c) Clay
(d) None of the above

Q59. First hormone produced artificially by culturing bacteria is
(a) Insulin
(b) Thyronine
(c) Testosterone
(d) Adrenaline

Q60. Who called "Protoplasm" as the "Physical basis of life"
(a) Lamarck
(b) Oparin
(c) Darwin
(d) Huxley

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