Chemical Composition of Pearl is–

Select the most appropriate option to fill in blank 1.

Fill in blank 42 with the most appropriate word.

From the following select the appropriate word to replace number (48) in the above passage. 

Choose the most appropriate word for blank no. (iv)

Choose the most appropriate word for blank 114.

Choose the most appropriate option for blank no. 1

Fill in blank 61 with the most appropriate word.

Choose the most appropriate word to fill the blank (a)

Find the appropriate word.

Fill the blank 1 .