Question

Which of the following helps identify leaves as monocot or dicot?

Answer 1

A ) MONOCOTS OR MONOCOTYLEDONS ==

1) Seeds with a single cotyledon.

2) Fibrous root system

3) Leaves with parallel venation ( Exceptions exist )

4) Stem shows scattered vascular bundles, with no pith at the center .

5) Flowers show trimerous symmetry.

Example - All cereals , lilies and bamboos.

B ) DICOTS OR DICOTYLEDONS ===

1 ) Seeds with two cotyledons .

2 ) Tap root system , at least initially.

3 ) Leaves with reticulate venation .

4 ) Stem shows vascular bundles in a ring around a central pith.

5 ) Flowers show tetra or pentamerous symmetry.

Examples are = All Pulses , Sunflower , Periwinkle.

Answer 2

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Answer 3

Monocot leaves have parallel veins; dicot leaves have a network of veins.

Answer 4

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