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The animal husbandry deals with the care, breeding and management of
Mule is produced by
Murrah, Mehsana, Jaffarbadi are breeds o
The most common species for bee-keeping in India is
Which one of the following is an exotic Indian fish ?
Catla catla and Labeo rohita are the two Indian major carps whereas Heteropneustesis a catfish. Cyprinus is the exotic breed.
The silk is produced by
Worker Bees are :
Which of the following has been recently used for increasing productivity of super milk cows?
In superovulation, a high milk yielding cow is induced to shed 4–6 eggs (instead of one) every 6–8 weeks(instead of 20–21 days). The superovulated donor is artificially inseminated with semen from a quality bull.The embryos developing from the eggs so fertilised are flushed out. These good quality embryosare now transferred to surrogate mother for delivery.
The new varieties of plants are produced by
Selection is picking up only those plants for reproduction which have desired qualities. Hybridization is crossing of two or more types of plants for bringing their traits together in the progeny. Introduction is taking a plant or a new variety from an area where it grows naturally to a region where it does not occur before.
The worker honey bee normally lives for about
The worker honey bee normally lives for about 90 days.