EVERYDAY SCIENCE

SCIENCE

PLANT KINGDOM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following best describes plants called gymnosperms?
A
Non-vascular, seedless, flowering
B
Non-vascular, seeds, non-flowering
C
Vascular, seedless, flowering
D
Vascular, seeds, non-flowering
Explanation: 

Detailed explanation-1: -Gymnosperms are other types of both vascular and non-vascular plants of the Kingdom Plantae, which directly produce seeds (naked) without bearing any flowers.

Detailed explanation-2: -Gymnosperm seeds are usually formed in unisexual cones, known as strobili, and the plants lack fruits and flowers.

Detailed explanation-3: -Gymnosperms are seed-bearing vascular plants, such as cycads, ginkgo, yews and conifers, in which the ovules or seeds are not enclosed in an ovary. The word “gymnosperm” comes from the Greek word gymnospermos, meaning “naked seeds".

Detailed explanation-4: -Gymnosperms are non-flowering plants and instead reproduce through two different unisexual structures called cones. They produce pollen grains in male cones which make their way to female cones, usually by the wind.

Detailed explanation-5: -gymnosperm, any vascular plant that reproduces by means of an exposed seed, or ovule-unlike angiosperms, or flowering plants, whose seeds are enclosed by mature ovaries, or fruits. The seeds of many gymnosperms (literally, “naked seeds”) are borne in cones and are not visible until maturity.

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