Q. No.Carrageen
(1) Water holding substance
(2) Obtained from red algae
(3) Sulfated water holding substance
(4) All of these
Difficulty Level:
Agar is not obtained from
(1) Gelidium
(2) Gracilaria
(3) Volvox
(4) All of these
Difficulty Level:
Agar is not used in
(1) To grow microbes
(2) To prepare ice-creams
(3) To prepare jellies
(4) To supplement protein for space travellers
Difficulty Level:
Chlorella is not
(1) An unicellular alga
(2) Rich in proteins
(3) Used as food supplement even by space travellers
(4) Used to grow microbes
Difficulty Level:
Which of the marine algae is not used as food?
(1) Laminaria
(2) Sargassum
(3) Porphyra
(4) Volvox
Difficulty Level:
The members of chlorophyceae are not
(1) Green algae
(2) Unicellular, colonial or filamentous plant body
(3) Pigments chlorophyll a and b
(4) Pigments are localised in the cytoplasm
Difficulty Level:
Chloroplasts can be discoid, plate-like, reticulate, cup-shaped, spiral or ribbon-shaped in different species. Such variety can be found in
(1) Chlorophyceae
(2) Phaeophyceae
(3) Rhodophyceae
(4) All of these
Difficulty Level:
Pyrenoid is
(1) Storage bodies located in cytoplasm of chloropbyceae
(2) Storage bodies located in cytoplasm of Phaeophyceae
(3) Storage bodies located in chloroplast of chlorophyceae
(4) Storage bodies located in chloroplast of Phaeophyceae
Difficulty Level:
Pyrenoid has
(1) Protein+Starch
(2) Only Protein
(3) Only Starch
(4) Fats+ Starch
Difficulty Level:
Green algae usually have a rigid cell wall made of an inner layer of ….…. and outer layer of ………
(1) Pectose, Cellulose
(2) Cellulose, Pectose
(3) Algin, carrageenan
(4) Carrageen, Algin
Difficulty Level:
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