The correct sequence of levels forming the structural hierar
Solution
Ans 13. As we know that cell are the structural and functional unit of life and it is composed of chemical substances. Therefore the structural hierarchy of any unit of life starts from chemical composition,cell, tissues which are made of cells then organ which are made of tissues then a complete organ system which is made of organs and at last a complete organism.
Therefore the correct option is a) chemical,cellular,tissue,organ ,organ system, organisimal.
Ans 14. The primary function of carbohydrate is to provide fuel to the body as every gram of carbohydrate has 4 calories . Carbohydrate are essential to keep the body from using protein for energy and to sustain energy for over a longer period of time .Carbohydrate provide glucose to the body stabilizing the body glucose level . They also provide fiber to the body helping to regulate digestion.
Therefore the correct option is (b) i.e to provide a ready easily used source of fuel.
Ans 15.A neutral fat is produced by the dehydration synthesis of one or more fatty acid with an alcohol like glycerol. Neutral fats are usually found in thigh and torso area of the body as padding and insulation to keep warm.
Therefore the correct option is (a) i.e glycerol and fatty acid
