Name an energy-rich carbohydrate stored in large quantities in liver and muscle cells.

A student weighed some raisins and recorded the weight as $x$. She then soaked the raisins in distilled water. After about $2 \text{ hours}$, she removed the raisins, wiped them dry, and weighed them again, recording the weight as $y$. The percentage of water absorbed by the raisins can be determined using the relationship:

When a person eats egg white, proteins and water enter the stomach. Which substances are found leaving the stomach and leaving the small intestine?

Option	Leaving the stomach	Leaving the small intestine
$(a)$	Amino acids, glycerol and water	Amino acids and water
$(b)$	Fatty acids, glycerol and water	Fatty acids, glycerol and water
$(c)$	Protein and water	Fatty acids and glycerol
$(d)$	Protein, amino acids and water	Water

What will happen to the rate of photosynthesis in a plant under the following circumstances?
$(i)$ Cloudy day in the morning but bright sunshine in the afternoon.
(ii) No rainfall in the area for a considerable time.
(iii) Gathering of dust on the leaves.

Match the terms in Column $(A)$ with those in Column $(B)$:

Column $(A)$	Column $(B)$
$(a)$ Trypsin	$(i)$ Pancreas
$(b)$ Amylase	$(ii)$ Liver
$(c)$ Bile	$(iii)$ Gastric glands
$(d)$ Pepsin	$(iv)$ Saliva

The pancreas is made up of two parts $A$ and $B$. The part $A$ secretes insulin whereas part $B$ secretes pancreatic juice. $(a)$ Which part is functioning as an endocrine gland? Why? $(b)$ What is insulin and what effect does it have in the body? $(c)$ Name the disease which can be treated by giving insulin injection. $(d)$ What does pancreatic juice contain? Where does pancreatic juice go? $(e)$ Name the life process in which pancreatic juice is made use of.