Foods are classsified into three groups on the basis of the functions they perform in our body. Name these three groups, and briefly state their functions. Also give two sources of each.

List two different functions performed by pancreas in our body.

Name the three classes of levers and state how are they distinguished. Give two examples of each class.

Name the three states of matter, giving two examples of each.

Name the source of streptokinase. How does this bioreactor molecule function in our body?

Name the source of streptokinase. How does this bioreactor molecule function in our body?

Give the structure of butan-2-one, and name the functional group present in it.

(a) Name any three functional groups present in carbon compounds and write their formulae. (b) Draw the structures of the following compounds indicating the functional group present in each , propanal, propanone, propanoic acid, propanol

Name any two secondary lymphoid organs in a human body and state the function of any of them.

Name three groups of plants that bear archegonia. Briefly describe the life cycle of any one of them.

Name three groups of plants that bear archegonia. Briefly describe the life cycle of any one of them.