Ques. 1AIPMT 2000
A student observed an alga with chlorophyll a, d and phycoerythrin, it should belong to
- Phaeophyta
- Rhodophyta
- Chlorophyta
- Bacillariophyta
Answer
(2) Rhodophyta
Solution
As per NCERT (Table: Divisions of Algae), the major pigments are:
Chlorophyceae ⇒ chlorophyll a, b
Phaeophyceae ⇒ chlorophyll a, c and fucoxanthin
Rhodophyceae ⇒ chlorophyll a, d and phycoerythrin
∴ An alga with chlorophyll a, d and phycoerythrin is a red alga (Rhodophyta).
Answer: (2)