In human beings, air enters into the body through (i)_______ and moves into (ii)________. In fishes, water enters into the body through (iii)______ and the dissolved oxygen diffuses into ______(iv).

In the process of anaerobic respiration, _____ is a 6 carbon compound which gets converted into ________carbon compound called lactic acid.

Sugar is converted into alcohol. In the above reaction what kind of process takes place? Which microorganism is involved?

Give two examples of root parasites of plants. Mention the special structures present in them to draw the nutrients from the host plant.

What are saprophytes? Give two examples.