The term Gymnosperm is derived from Greek words meaning "naked seed". What characteristic of their seeds justifies this name ?
They are not protected by an ovary or fruit
The word Gymnosperm comes from Greek roots meaning "naked seed", pointing to a specific feature of how these plants produce seeds.
In gymnosperms, seeds develop directly on the surface of structures like cone scales and are not enclosed within an ovary or a fruit, leaving them exposed or "naked".
Producing spores, remaining dormant for years, or being enclosed in a fleshy fruit describe other reproductive features or plant groups, not the defining trait behind the name Gymnosperm.
Because their seeds lack the protective covering of an ovary or fruit, this exposed condition is exactly what justifies calling them Gymnosperms.
Lamarck's theory of evolution (Lamarckism) proposed that new species arise primarily through :
The Hardy-Weinberg principle states that allele frequencies in a population remain constant only when which of the following conditions are simultaneously satisfied ?
In Pteridophytes (such as ferns and horsetails), the main plant body is the dominant, diploid stage of the life cycle. What is this stage called?
Which group of plants is characterized by flowering blossoms and produces seeds that are enclosed inside an ovary?
In the taxonomic hierarchy, the broadest and highest category among the following is:
Archaea are classified into a separate domain from Eubacteria primarily based on differences in:
In which group the unicellular, Eukaryotic organisms are included?
Which of the following is a warm blooded animal?
Choose the correct descending sequence of the following taxonomic categories using the codes given below:
A) Genus
B) Order
C) Class
D) Species
E) Family
All fungi are:
Bacteria differs from mycoplasma in having: