NEET Biology Morphology of Flowering Plants (Root, Stem And Leaf) Question Bank Assertion Reason

  • question_answer
    Read the assertion and reason carefully:
    Assertion            :     A simple leaf has undivided lamina.
    Reason              :     Leaves showing pinnate and palmate venation have various type of incisions.

    A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

    B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion 

    C) If the assertion is true but the reason is false

    D) If both the assertion and reason are false

    E) If the assertion is false but reason is true

    Correct Answer: B

    Solution :

    A leaf having a single or undivided lamina is called simple leaf. The lamina can have different types of incisions, which may reach up to half (-fid), more than half (?partite) or near the base or midrib (-sect). Depending upon the pinnate or palmate venation, the incisions are known as pinnatifid palmatifid, pinnatipartite, palmatipartite, pinnatisect and palmatisect.


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