Hydrocolloid is

(1) Water soluble substance

(2) Water holding substance

(3) Hydrogen gas containing substance

(4) Oxygen gas containing substance

(1) Water holding substance

(2) Obtained from brown algae

(3) Non sulfated water holding substance

(4) All of these

(1) Water holding substance

(2) Obtained from red algae

(3) Sulfated water holding substance

(4) All of these

(1) Gelidium

(2) Gracilaria

(3) Volvox

(4) All of these

(1) Laminaria

(2) Sargassum

(3) Porphyra

(4) Volvox

(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

(1) Protein+Starch

(2) Only Protein

(3) Only Starch

(4) Fats+ Starch

(1) Fragmentation+ spore formation

(2) Only spore formation

(3) Only Fragmentation

(4) Isogamous

(1) Zoospore formation in Antheriodiophore

(2) Fragmentation

(3) Zoospore formation in Zoosporangia

(4) Both 1 and 2

(1) Flagellated

(2) Non-flagellated

(3) Ciliated

(4) Non ciliated