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BIOLOGY M.C.Q [1M]

Model Paper 2 · Bihar Board (BSEB) STD 12 Science (BSEB - English Medium). 18 questions.

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M.C.Q [1M]

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18 questions · timed · auto-graded

MCQ 21 Mark
According to Chargaff's rule-
  • A
    $\mathrm{A}+\mathrm{G}=\mathrm{T}+\mathrm{C}$
  • B
    $\mathrm{A}+\mathrm{T}=\mathrm{G}+\mathrm{C}$
  • C
    $\mathrm{A}+\mathrm{C}=\mathrm{T}+\mathrm{C}$
  • D
    All of the above
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MCQ 41 Mark
Which is the in-setu method of conservation-
  • A
    National park
  • B
    Botanical garden
  • C
    Tissue culture
  • D
    Gene engineering
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MCQ 81 Mark
Which of the following is a molecular scissor
  • A
    Helicase
  • B
    DNA ligase
  • C
    DNA polymerase
  • D
    Restriction endonuclease
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MCQ 111 Mark
The cranial capacity of Australopithecus man was-
  • A
    $650-800 \mathrm{cc}$
  • B
    900 cc
  • C
    1400 cc
  • D
    $400-600 \mathrm{cc}$
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MCQ 151 Mark
Marijuana is obtained from which plant-
  • A
    From the leaf of cannabis plant
  • B
    Ergot fungus
  • C
    Cannabis plant
  • D
    Cocoa plant
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MCQ 181 Mark
Nucleoside differs from Nucleotide because it contain.
  • A
    Phosphate
  • B
    Sugar
  • C
    Nitrogenous base
  • D
    Phosphate and sugar both
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M.C.Q [1M] - BIOLOGY STD 12 Science Questions - Vidyadip