Describe the alimentary canal of man.

Parts of alimentary canal in leech where blood is stored.

List out the parts of a pistil.

Explain the structure of alimentary canal?

List the parts of digestive system.

Answer briefly: (a) Why are villi present in the intestine and not in the stomach? (b) How does pepsinogen change into its active form? (c) What are the basic layers of the wall of alimentary canal? (d) How does bile help in the digestion of fats?

List the main part of flowering plant.

List the main parts of electric motor.

Name the largest part of the alimentary canal

Mathc the two column and select the correct among option given. {:("Column I","Column II"),("Biomacromolecules",(i)"Alimentary canal and associated gland"),("Human digestive system",(ii)"Embedded in jawbones"),("Stomach",(iii)"Outer wall of visceral organs"),("Thecodont",(iv)"Converted into simple substances"),("Serose",(v)"J-shaped bag like structure"):}