Questions

The first option is incorrect because it is devoid of blood cell, also red blood cells so doesn’t contains haemoglobin.

The second option is incorrect because plasma is colorless.

The third option is also incorrect because plasma contains the clotting factors.

The floridian starch is reserve food materials in the red algae or the members of class Rhodophytae. It is a characteristic feature of this group.

Washing soda is the common name for Sodium Carbonate (Na2CO3). It is also called as Soda Ash.

Biodegradable substances can be broken down into simpler, harmless substances in nature with due course of time by the biological process such as action of microbes. They can be recycled as a part of food chain.

Here, Leather bags are biodegradable.

The part of the earth and its atmosphere in which living organisms exist or that is capable of supporting life is called Biosphere.