7. What are gymnosperms? List their characteristic features.
Answers
Answer:
Gymnosperms are a group of plants that produce seeds not enclosed within the ovary or fruit.”
Explanation:
Gymnosperms
Following are the important characteristics of gymnosperms:
They do not produce flowers.
Seeds are not formed inside a fruit. They are naked.
They are found in colder regions where snowfall occurs.
They develop needle-like leaves.
They are perennial or woody, forming trees or bushes.
They are not differentiated into ovary, style and stigma.
Since stigma is absent, they are pollinated directly by the wind.
The male gametophytes produce two gametes, but only one of them is functional.
They form cones with reproductive structures.
The seeds contain endosperm that stores food for the growth and development of the plant.
These plants have vascular tissues which help in the transportation of nutrients and water.
Xylem does not have vessels and the phloem has no companion cells and sieve tubes.
They do not produce flowers.
Seeds are not formed inside a fruit. ...
They are found in colder regions where snowfall occurs.
They develop needle-like leaves.
They are perennial or woody, forming trees or bushes.
They are not differentiated into ovary, style and stigma.
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