Crop Production and Management Test - 6

Cultivation of fishes is referred to as 'blue revolution'. The term 'blue revolution' refers to the remarkable emergence of aquaculture as an important and highly productive agricultural activity.

Among these, tuna is not an inland fish. The tuna is a sleek and streamlined fish, adapted for speed.

Red Sindhi is a breed of cattle. They have been used for crossbreeding with temperate (European) origin dairy breeds in many countries to combine their tropical adaptations (heat tolerance, tick resistance, disease resistance, fertility at higher temperatures, etc.) with the higher milk production found in temperate regions

Sannen is an exotic breed of goat. It is a native of Switzerland.Average milk yield is 2 - 5 kg per day during a lactation period of 8 -10 months. Milk fat 3 - 5%.

Milk is related to 'White Revolution'. It refers to the introduction of growth of milk production, and encourages Indian dairy farmers to keep more animals for increasing production of milk.

Among these, pest is a biotic factor affecting crop rotation.Crop rotation is one of the oldest and most effective cultural control strategies. It means the planned order of specific crops planted on the same field.

A fertiliser is any material of natural or synthetic origin that is applied to soils or to plant tissues to supply one or more plant nutrients essential to the growth of plants.

Mass selection is the technique of selecting plants with superior phenotype for further propagation.

Colchicine is used to induce polyploidy in plants.Polyploid cells and organisms are those containing more than two paired (homologous) sets of chromosomes.

Gamma radiations are used to induce mutations.a mutation is a permanent change of the nucleotide sequence of the genome of an organism, virus, or extrachromosomal DNA or other genetic elements.