Improvement in food resource
Which one of the following is a micronutrient?
It has been found that major plant diseases and insect outbreaks are less likely to occur in a natural field than on a conventional farm because
Read the given statements.(i)Beewaxobta∈edombeehiveisdepositionofexcre→ry∏uctsofho=ybee.(ii) Fish culture is sometimes done in combination with rice crop so that fish are grown in the water accumulated in the paddy field.(iii)Fishfeed∈d⇔erentzo=sofpond→makemostefficientuseofavailab≤f∞d.(iv) Sahiwal and Murrah are exotic breeds used extensively in cattle farming.(v)Intercropπngisgrow∈gtwoormorecropssiμ<a=ouslyonthesamefield∈adef∈itepaern.Which of the given statements are incorrect?
In which of the following techniques change in number of chromosomes takes place for obtaining desirable change in the offspring?
____ is the process of growing two or more crops simultaneously on the same field in a definite row pattern.
Read the following statements carefully and select which of them are true (T) and which of them are false (F).(i)Exoticbreedwhichisverypoparforegg−lay∈gbutis¬idealformeatpurposesisWhiteLeghorn.(ii) Karan-Swiss is a high yielding cross breed cattle variety while Jersey-Sindhi is an indigenous breed of India.(iii)Milchbreedsaremilk−yield∈gwhi≤draughtbreedsarework∈ganimals.(iv) Ayrshire is an Indian breed of cow.