Biology Past Questions and Answers

Oxygen from the atmosphere reaches the mammalian blood stream through one of the path indicated below. Indicate the correct path, a = mouth, b = trachea, c = bronchiole, d = nostril, e = bronchus, f = alveoli

Below are some group of diseases. Which group of diseases is caused by bacteria?

A mosquito which produces eggs which float, and whose larvae lie horizontal to the water surface, also rests at the angle on a vertical surface. This type of mosquito is

The amount of water loss from a leaf can be detected using

In animals, cilia, flagella, pseudopodia and chaetae, can be used for