Name the component of food that is not digested in the stomach.

Choose the correct path of urine in our body:

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

Name three different glands associated with the digestive system in humans. Also name their secretions.

$(a)$ Draw a diagram of the human excretory system and label the following: Aorta,Vena cava,Urinary bladder,Urethra.
$(b)$ List two vital functions of the kidney.

Match the items of Column $(A)$ with those of Column $(B)$:

Column $(A)$	Column $(B)$
$(a)$ Phloem	$(i)$ Excretion
$(b)$ Nephron	$(ii)$ Translocation of food
$(c)$ Veins	$(iii)$ Clotting of blood
$(d)$ Platelets	$(iv)$ Deoxygenated blood