Question

Class 11 walo come here


Write the features of gymnosperms.....

5marks.​

Answer 1

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•The vessels or trachea are absent in xylem

•Phloem has sieve cells.

•Sepals and petals are absent.

•Central axis of cone is elongated.

•Ovules are exposed to atmosphere.

•Seeds are thus exposed as there is no ovary and therefore no fruit.

•Sieve tubes are absent

• Microsporophylls are broad and leaf like.

•Single fertilisation occurs.

•Endosperm is haploid

•Endosperm is formed before fertilisation .