General Knowledge - Biology - Discussion
Discussion Forum : Biology - Section 1 (Q.No. 3)
3.
Pine, fir, spruce, cedar, larch and cypress are the famous timber-yielding plants of which several also occur widely in the hilly regions of India. All these belong to
Discussion:
38 comments Page 2 of 4.
Shambhu prasad said:
9 years ago
The gymnosperms are a group of seed-producing plants that includes conifers, cycads, Ginkgo, and gnetophytes. The term "gymnosperm" comes from the Greek composite word meaning "naked seeds", after the unenclosed condition of their seeds. Their naked condition stands in contrast to the seeds and ovules.
Kajal said:
9 years ago
I'm not understanding, please explain it.
YOYO said:
9 years ago
Can you explain the different types of sperms?
Pradeep said:
9 years ago
The above mentioned are non flowering plants thus referred to as Gymnosperm.
Jeeva said:
10 years ago
Gymnosperm woods are very hard, so this types of trees using to furniture .
Mariyamma said:
10 years ago
Gymno means naked and sperma means seed.
Sarawar said:
10 years ago
Plant kingdom - A. Cryptogamae (seedless) B. Phanerogamae (bearing seed).
Crytogamae - A. Thalophyt B. Bryophyt C. Pteridophyt.
Thalophyt - No root, stem, leaves, cell wall made up chitin.
Two type: A. Algae B. Fungi.
Bryophyt - Chlorophyllous, autotrophic, embryopand atracheophytic cryptogams.
Pteridophyte - Have vascullar tissue, have root stem leaves.
Phanerogamae - A. Gymnospern (non flowering, pollination thru air) B. Angiosperm (flowering).
Angiosperm - A. Autrotrophic (prepare own food) B. Parasite (expend on other food).
Crytogamae - A. Thalophyt B. Bryophyt C. Pteridophyt.
Thalophyt - No root, stem, leaves, cell wall made up chitin.
Two type: A. Algae B. Fungi.
Bryophyt - Chlorophyllous, autotrophic, embryopand atracheophytic cryptogams.
Pteridophyte - Have vascullar tissue, have root stem leaves.
Phanerogamae - A. Gymnospern (non flowering, pollination thru air) B. Angiosperm (flowering).
Angiosperm - A. Autrotrophic (prepare own food) B. Parasite (expend on other food).
Haifa hassan said:
1 decade ago
The above mentioned are non flowering plants thus referred to as Gymnosperm.
NEHA RAUT said:
1 decade ago
Gymnosperm means group of seeds producing by above mention plant.
Sumit said:
1 decade ago
Gymnosperm are non flowering plants.
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