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
In pteridophytes, phloem is without
bast fibers
Sieve tubes
Companion cells
Sieve cells
C.
Companion cells
In angiosperm, companion cells are living cells along with sieve tube and phloem parenchyma of the phloem. In pteridophytes and gymnosperm, phloem is without companion cell.
Which of the following supports a dense population of plankton and littoral vegetation?
Oligotrophic
Eutrophic
Lithotrophic
Agroecotrophic