Which algal division is characterized by the presence of a 'peculiar' type of nuclear division and the absence of flagellated stages in its life cycle?
Chlorophyta
Phaeophyta
Rhodophyta
Xanthophyta
Related Questions
Which of the following algae is responsible for red tides?
Spirogyra
Gonyaulax
Volvox
Chlamydomonas
The pigment primarily responsible for photosynthesis in algae is:
Chlorophyll
Carotene
Xanthophyll
Phycobilin
Diatoms are a type of:
Green algae
Brown algae
Red algae
Golden algae
Which algal group is commonly known as 'sea lettuce'?
Spirogyra
Volvox
Ulva
Chlamydomonas
The cell wall of Phaeophyceae is primarily composed of cellulose and coated with:
Chitin
Pectin
Algin
Lignin
Agar-agar is obtained from which group of algae?
Chlorophyceae
Phaeophyceae
Rhodophyceae
Cyanophyceae
Which type of sexual reproduction is observed in Phaeophyceae?
Isogamous only
Anisogamous only
Oogamous only
Isogamous, anisogamous or oogamous
Members of Phaeophyceae store their food in the form of:
Starch and cellulose
Mannitol and laminarin
Glucose and fructose
Floridean starch and glycogen
Which of the following is NOT a characteristic of algae?
They are photosynthetic.
They lack true roots, stems, and leaves.
They can be found in aquatic environments.
They are exclusively multicellular.
Which algal group possesses chlorophyll a and c, but lacks chlorophyll b?
Chlorophyceae
Phaeophyceae
Rhodophyceae
Cyanophyceae
