Algae
Algae is a nonvalid taxinomic term that refers to

well developed cellular structure including a conducting system
eukaryotic organisms that have chlorophyll a and produce O2
None of these
Both (a) and (b)

ANSWER DOWNLOAD EXAMIANS APP

Algae
Which of the following best describes the algae known as diatoms?

Cells contain carotenoid pigments as well as chlorophyll A and B
Cells are encased in rigid walls composed of cellulose coated with silicon
Cells have flagella and a light-detecting eye spot
Cells have intricate shells of silicon dioxide with two halves

ANSWER DOWNLOAD EXAMIANS APP