Choose the incorrect sentence.

• A
  Through aquaculture and pisciculture,we have been able to increase the production of aquatic plants and animals.
• B
  The entire collection of plants or seeds having all the diverse alleles for all genes in a given crop is called germplasm collection.
• C
  India is mainly an agricultural country. Agriculture accounts for approximately $33$ percent of India's $GDP$ and employs nearly $62$ percent of the population.
• D
  Blue revolution concerns with fisheries.