Question

How are phanerogamae divide into sub division

Answer 1

gymnosperm ND angiosperm

Answer 2

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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.

➧ 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:- Mangoes & Apples

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