Question

Please explain all about gymnosperm.. Cycas,pinus,gingoales n conifers for neet.

Answer 1

Gymnosperms are a group of plants with the following unique characteristics:

They do not have an outer covering or shell around their seeds.

They do not produce flowers.

They do not produce fruits.

They are pollinated by the wind

Answer 2

=> vessels or trahea are absent in xylem
=> phloem have sieve cells ( sieve tube is absent)
=> sepals ,petals are absent
=> general cones are unisexual
=> ovules are exposed in the air
=> pollen enters the micropyle directly
=> single fertilization
=> endosperm is haploid and formed before fertilization
=> seeds are exposed because ovary is absent so no fruit


=>diploid large sporophyte generation has root system and large sized stems found in cycas,pinus, and etccc