Describe chemotropism giving one example.

Describe the foJlowing giving one example for each : (i) Detergents (ii) Food preservatives (iii) Antacids

Define chemotropism. Give one example of chemotropism. State whether this example is of positive chemotropism or negative chemotropism.

Describe an energy chain giving two examples .

Define homeotherms and give one example

What is pepo? Give one example.