Write answers within the space provided under the question :
Write three commercial uses of micro organisms ?

Write a short note on commercial livestock rearing.

Write answers to the following questions : Which three-digit number less than 110 is completely divisible by 3 as well as 4?

State which pairs of triangles in Figure are similar. Write the similarity criterion used by you for answering the question and also write the pairs of similar triangles in the symbolic form:

The following diagram displays a chemical reaction. Observe carefully and answer the following questions : Mention one commercial use of this salt.