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MODEL PAPER 1 — BIOLOGY STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceBIOLOGYMODEL PAPER 11 Mark
MCQ
Assertion (A): Homo sapiens have evolved from chimpanzee-like ancestors.
Reason (R): There is no difference between the two in the amino acid sequence of the protein Cytochrome-C.
  • A
    Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
  • B
    Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the Assertion (A).
  • C
    Assertion (A) is true, but Reason (R) is false.
  • D
    Assertion (A) is false, but Reason (R) is true.
✓

Answer

Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
Explanation: Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).

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