A leaf is said to be simple, when its lamina is entire or when incised, the incisions do not touch the midrib. When the incisions of the lamina reach up to the midrib breaking it into a number of leaflets, the leaf is called compound. A bud is present in the axil of petiole in both simple and compound leaves, but not in the axil of leaflets of the compound leaf.
Assertion (A): Leaves can be classified based on the extent of lamina division. Reason (R): In simple leaves, the incisions of the lamina reach up to the midrib breaking it into leaflets.
Correct answer: C — If assertion is true but reason is false.
The Assertion is true - leaves are classified as simple or compound based on lamina division. However, NCERT states “A leaf is said to be simple, when its lamina is entire or when incised, the incisions do not touch the midrib. When the incisions of the lamina reach up to the midrib breaking it into a number of leaflets, the leaf is called compound.” The Reason incorrectly attributes the compound leaf characteristic to simple leaves.
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