Which of the following plant like protists are the most conspicuous seaweeds?
a) Rhodophyta
b) Chlorophyta
c) Diatoms
d) Brown algae
Which of the following plant like protists possess air bladders which keep them afloat during high tides?
a) Rhodophyta
b) Chlorophyta
c) Diatoms
d) Brown algae
Which of the following plant like protists have life cycle marked by an alternation of generation?
a) Brown algae
b) dinoflagelates
c) Diatoms
d) euglenozids
Explanation: alternation of generation b/w diploid sporophyte and haploid gametophyte
Kelps are…….
a) Rhodophyta
b) Chlorophyta
c) Diatoms
d) Brown algae
The reddish colour of the algae is due to
a) hemoglobin
b) phycoerythrin
c) phycocyanin
d) xanthophyll
Explanation: it masks the green color of chlorophyll. But red algae don’t appear red always
Which of the following plant like protists play major role in the formation of coral reefs?
a) Brown algae
b) Chlorophyta
c) Rhodophyta
d) Euglenozoids
Explanation: red algae play this role in marine ecosystem
