The area around the earth where life activities go on is referred to as

Posted on:

A space containing a group of interactive organisms is called

Posted on:

Which of the following food substances will have little or no calorific value?

Posted on:

The appropriate food to be given to the child in the picture above is

Posted on:

Which of the following digestive enzymes would be greatly affected if the liver fails to produce bile?

Posted on:

What test would be used to confirm the nature of the gas given off at?

Posted on:

Which of the following elements were deficient in his mother’s diet at pregnancy?

Posted on:

Excess carbohydrates can be stored in the muscles in the form

Posted on:

The purpose of proteins in the diet of a mammal is to

Posted on:

Which of the following substances must be present in the soil for growth of a healthy green plant?

Posted on:

What is the benefit of thunder and lightning to farmers?

Posted on:

The main raw materials required for photosynthesis are

Posted on: