Q. With reference to “Seaweeds” consider the following statements:
1.Seaweed is a type of fish that can be found in freshwater lakes and rivers.
2.They are rich in vitamins and minerals and are consumed as food in various parts of the world.
3.Green seaweed has a high amount of a particular type of cellulose in its cell wall.
4.Phaeophyta, a classification of seaweeds, holds more potential components in the cell wall than the others.
How many of the above statements are correct?
Explanation –
Statements 1 and 4 are incorrect. Seaweed is the name given to the many species of marine algae and plants. These species grow in water bodies such as rivers, seas and oceans. Seaweeds are classified as chlorophyta (green), rhodophyta (red) and phaeophyta (brown) on the basis of their pigmentation. Among them, chlorophyta holds more potential components in the cell wall. Such as carbohydrates, lipids, proteins and bioactive compounds.
Statements 2 and 3 are correct. Seaweeds are rich in vitamins and minerals and are consumed as food in various parts of the world. Green seaweed has a high amount of a particular type of cellulose in its cell wall.
Source: ForumIAS

