Which one of the following is used to see the disease causing germs?

Raju buried a dead rat under the soil. When he dug up one year later, he found that it had decayed. Which one of the following is responsible for the decay?

In the above diagram, teeth marked I represent:

Wisdom teeth appear at the age of

The layer(s) of tooth is/are

In the above diagram, the teeth used to grind are marked as:

Which one of the following help in baking bread and making of wine?

The teeth that are well developed in carnivores are

Which one of the following are added to make bread and cakes fluffy?

Which one of the following is not a microbe?