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Question

Which of the following statement is not a difference between monocots and dicots?
  1. Dicot seeds have two cotyledons and monocot seeds have only one cotyledon.
  2. Dicots show tap root system and monocots show fibrous root system.
  3. In dicots, the flowers are unisexual and in monocots flowers are bisexual.
  4. Dicot leaves show reticulate venation and monocot leaves show parallel venation.

A
Dicot seeds have two cotyledons and monocot seeds have only one cotyledon.
B
In dicots, the flowers are unisexual and in monocots flowers are bisexual.
C
Dicots show tap root system and monocots show fibrous root system.
D
Dicot leaves show reticulate venation and monocot leaves show parallel venation.
Solution
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Monocot Dicot
Seeds with a single cotyledon.Seeds with two cotyledons.
Pollen with single furrow or pore. Pollen with three furrows or pores.
Flower parts in multiples of three. Flower parts in multiples of four or five.
Major leaf veins parallel. Major leaf veins reticulated.
Stem vascular bundles scattered. Stem vascular bundles in a ring.
Roots are adventitious. Roots develop from radicle.
Secondary growth absent. Secondary growth often present.
Thus, the correct answer is option C.

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Similar Questions
Q1
Which among the following statements is false?
I. All dicots have endospermic seeds
II. All monocots have endospermic seeds
III. Monocots and dicots both have endospermic seed
IV. Most dicots and some monocots have endospermic seeds

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Q2

Draw diagrams of a typical monocot an dicot leaves to show their venation pattern.

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Q3
Assertion :Leaves of monocot plants generally possess reticulate venation. Reason: Leaves of dicot plants generally possess parallel venation.
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Q4
Which among the following statements is/are true?
I. All dicots have endospermic seeds.
II. All monocots have endospermic seeds.
III. Endosperm is triploid in angiosperms.
IV. Most dicots and some monocots have endospermic seeds.

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Q5

Reticulate venation is found in dicot leaves while in monocot leaves venation is of parallel type. Biology being a 'Science of exceptions', find out any exception to this generalisation.

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