Question

Difference between angiosperms and gymnosperms xlass 11

Answer 1

Gymnosperms

1. they have naked seeds and ovules before and post fertilization.
2. these plants do not have flowers.
3. they have tap root system.
4. they are well-differentiated into roots, stems, and leaves.
5. they reproduce sexually.
6. the leaves are well-suited for high temperatures and humidity.
7. their sunken stomata and thick cuticle reduces water-loss.
8. eg. pinus, cycas.

Angiosperms

1. flowering plants.
2. seeds enclosed in fruit.
3. they are divided into Monocots and Dicots
(Monocots) :
a. seeds contain one cotyledon.
b. adventitious root system.
c. parellel venation in leaves.
d. floral organs are trimerous.
e. pollen grains have single germ pole
f. eg. wheat, maize.

(Dicots) :
a. seeds contain two cotyledons.
b. tap root system.
c. reticulate venation in leaves.
d. floral organs are pentamerous.
e. pollen grains have three germ poles.
f. eg. beans, drumsticks, grams.

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Answer 2

Answer:

Angiosperms have flowers while gymnosperm lack it .

Gymnosperms have naked ovules while angiosperm have fruit wall to cover ovules

In gymnosperms erect and branched stem is present while angiosperm do not have erect stem

Explanation: