Question

What are gymnosperms? Bring out the characteristics of gymnosperms.

Answer 1

hyy..

⭐The name gymnosperm means “naked
seed,” which is the major distinguishing factor between gymnosperms and angiosperms, the two distinct subgroups of seed plants. This term comes from the fact that the ovules and seeds of gymnosperms develop on the scales of cones rather than in enclosed chambers called ovaries.
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Answer 2

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Subkingdom Phanerogamae➫ A division of plants comprising those having reproductive organs.

➧ It's Characteristics are:-▬▬▬▬▬▬▬▬▬▬▬▬⤵

◉ It contains plants that bears flowers & seeds.

◉ It possesses only vascular plants.

◉ True root system & leaves are present.

◉ Water is not required for fertilization.

◉ Multicellular sex organ are present.

◉ These are are Autotrophic.

➧ Subkingdom Phanerogamae is divided into Two Groups:-▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃⤵

❶❫ Gymnosperms:-▬▬▬▬▬▬▬▬▬▬☟

①❭ They do not produce flowers.

②❭ Seeds are naked.

③❭ Endoderm is haploid.

④❭ 0vules are not located in the 0vary.

⑤❭ Level of all evolution is primitive group of seed-bearing plant.

⑥❭ Xylem lacks vessels & Phloem lacks companion cell.

▶Ex:- Cycas & Pinus

❷❫ Angiosperms:-▬▬▬▬▬▬▬▬▬▬☟

①❭ They produce flower & seeds.

②❭ Seeds are enclosed by the fruit wall.

③❭ Endotherms is triploid.

④❭ 0vules are enclosed in the 0vary.

⑤❭ Level of evolution is highly evolved seed-bearing plant.

⑥❭ Xylem contains vessels & Phloem contains companion cell.

▶Ex:- Mustard Plant & Grasses

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