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STD 12 - 11. organisms and populations — Biology STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceBiologySTD 12 - 11. organisms and populations1 Mark
MCQ
$A$ : Environmental resistance operate to slow down exponential phase in logistic population.
$R$ : Crash phase does not occur in this population
  • A
    Assertion and Reason both are correct and also correct explanation.
  • ✓
    Assertion and Reason both are correct but not explanation of assertion.
  • C
    Assertion is correct, but Reason is incorrect.
  • D
    Both Assertion and Reason are incorrect.
✓

Answer

Correct option: B.
Assertion and Reason both are correct but not explanation of assertion.
b
Sudden decrease in population is crash phase.

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