MCQ
Given below are two statements : One labelled as Assertion $A$ and the other labelled as Reason $R$:

Assertion $A$ : The first stage of gametophyte in the life cycle of moss is protonema stage.

Reason $R$: Protonema develops directly from spores produced in capsule.

In the light of the above statements, choose the most appropriate answer from options given below:

  • A
    $A$ is not correct but $R$ is correct
  • Both $A$ and $R$ are correct and $R$ is the correct explanation of $A$
  • C
    Both $A$ and $R$ are correct but $R$ is NOT the correct explanation of $A$
  • D
    $A$ is correct but $R$ is not correct

Answer

Correct option: B.
Both $A$ and $R$ are correct and $R$ is the correct explanation of $A$
b
The predominant stage of the life cycle of a moss is the gametophyte which consists of two stages. The first stage is the protonema stage, which develops directly from a spore. Capsule of the sporophyte contains spore which gives rise to protonema. Thus, reason correctly explains the assertion.

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