Which one is wrongly matched?
Uniflagellate gametes – Polysiphonia
Biflagellate zoospores – Brown algae
Unicellular organism – Chlorella
Gemma cups – Marchantia
After karyogamy followed by meiosis, spores are produced exogenously in
Neurospora
Alternaria
Saccharomyces
Agaricus
Identify the wrong combination
Dryopteris → Rhizome
Cycas → Coralloid roots
Volvox → Colonial form
Marchantia →Pseudoelaters
Fern spores are usually
Haploid
Diploid
Triploid
Tetraploid
A.
Haploid
In pteridophytes, spore is a haploid structure, which develops after meiosis in the spore mother cell. On germination, it gives rise to a green haploid prothallus (gametophyte) which is monoecious, i.e., has both antheridia (male sex organs) and archegonia (female sex organs).
Which of the following supports a dense population of plankton and littoral vegetation?
Oligotrophic
Eutrophic
Lithotrophic
Agroecotrophic