NTA Abhyas NEET2020BotanyPlant KingdomPractice
Select the incorrect match.
Options
- AAlgae Use Gelidium Preparation of ice-creams and jellies
- BAlgae Use Spirullina Used as food suppliments by space travelers
- CAlgae Use Chlorella Used in cough syrups
- DAlgae Use Brown algae As emulsifying agent
Correct answer
C. Algae Use Chlorella Used in cough syrups
Step-by-step solution
Importance of algae 1 . 50% of CO 2 fixation on earth is carried out by algae during photosynthesis. 2 . Algae as food : a. About 70 species of marine algae are used as food. Example - Porphyra, Sargassum, Laminaria, etc. b. Unicellular algae like Chlorella and Spirulina are rich in proteins and also used by space travellers. 3 . Water holding chemicals (hydrocolloids) - Algin (obtained from red algae) and Carragenin (obtained from red algae) are commercially used hydrocolloids.