AP BIOLOGY

PLANTS

CLASSIFICATION OF PLANTS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which statement concerning cotyledons is correct?
A
Monocots have one cotyledon, dicots have two
B
Monocots have two cotyledons, dicots have one
C
Monocots have one cotyledon, dicots have more than two
D
the number of cotyledons does not matter
Explanation: 

Detailed explanation-1: -Therefore monocots have one cotyledon and dicots have two cotyledons. Leaves of monocots have parallel venation and dicot leaves have reticulate venation. So, the correct answer for the above question is option (D).

Detailed explanation-2: -Monocots have one cotyledon. Monocot leaves tend to have parallel veins; in dicots the veins are netted. Monocot floral parts are in multiples of 3; dicots are based on 4’s or 5’s.

Detailed explanation-3: -Plants producing seeds with two cotyledons are called dicots. The cotyledons contain stored fat that nourishes the embryo. While, plants having a single cotyledon in their seeds are called monocots.

Detailed explanation-4: -Cotyledon refers to the ‘first seed leaf’, present in the embryo. If it is a single seed leaf, then it is categorised as monocots and if it is a pair of leaves then it is categorised as dicots.

Detailed explanation-5: -Monocots have one cotyledon, and dicots have two. Monocots and dicots differ in several other major ways, as well. For example, monocots (ex. lilies) have flower parts that appear in groups of three, and dicots (ex.

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