Disease caused by Flexibacter columnaris ,is

Select the most appropriate option for blank No. 85

Select the most appropriate option to fill in blank no. 6

Find the appropriate word.

Fill in blank 1 with the appropriate word from the options.

Which of the following statements, best indicates the main idea that the author  tries to convey through the passage ?

From the following select the appropriate word to replace number (46) in the above passage. 

Find the appropriate word.

Find out the appropriate word in each case.

________ aim in life is to provide happiness _______ enable a harmonious atmosphere _________ everyone forever.