What should be the pH for the Fish pond for fish culture? 

Internal necrosis in mango and internal cork in apple is due to the deficiency of

In plants, necrotic spots, abnormal dark green and light green mosaic, growth distortion, stunting, ring patterns etc. are symptoms of 

Easily reclaimable wasteland is suitable for

“Queen of milk” breed among the following goat breeds.

In soil plaque method of soil fertility assessment developed by Winogradsky, which micro organism is studied?

If a manufacturing company does not adhere to CGMP regulations :

Truly migratory fish, the migrations of which occur wholly within freshwater is classified as

Which of the following soil microorganisms is responsible for fixing atmospheric nitrogen into a usable form for plants?