30 men can complete a work in 12 days. After 9 days, 15 more men joined them. How many days will they now take to complete the remaining work?
Let, the efficiency of a man = y ATQ- (30 x y x 9) + (45 x y x D) = 30 x y x 12 (45 x y x D) = 360y-270y 45Dy=90y D = 90y/45y D=2 days.
Polyploidy in plant is induced by:
Normal EC value of the saturation extract (EC) of soil is___
The application of organic manures in the soil helps in/tends to:
Which of the following considered as main transmitters of viruses to plants?
Which among the following is a suitable technique to improve the germination capacity of seeds ?
The period between ecdyses are the stages called _____ in insects
Scientific name of potato is:
Indian economy can be best described as:
Which stage of the product life cycle causes the profit to improve substantially?
IISR-Kozhikode recently developed a New High-Yielding Pepper Variety. The name of the variety is ___