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

In each of the following situations,what happens to the rate of photosynthesis?
$(a)$ Cloudy days
$(b)$ No rainfall in the area
$(c)$ Good manuring in the area
$(d)$ Stomata get blocked due to dust

In which of the following vertebrate group/groups,does the heart not pump oxygenated blood to different parts of the body?

$(a)$ $A$ product is formed in our muscles due to the breakdown of glucose when there is a lack of oxygen. Name the product and also mention the effect of the build-up of this product.
$(b)$ Differentiate between fermentation in yeast and aerobic respiration on the basis of end products formed.

Explain,giving any three reasons,the significance of transpiration in plants.

Which of the following statement$(s)$ is (are) true about respiration?
$(i)$ During inhalation,ribs move inward and diaphragm is raised
$(ii)$ In the alveoli,exchange of gases takes place i.e.,oxygen from alveolar air diffuses into blood and carbon dioxide from blood into alveolar air
$(iii)$ Haemoglobin has greater affinity for carbon dioxide than oxygen
$(iv)$ Alveoli increase surface area for exchange of gases