Question
A boat goes 40km upstream in 8 hours and 36km downstream
in 6 hours. The speed of the boat in still water.Solution
Let the speed of boat in still water =B and speed of stream =S Speed of boat in downstream B+S=36/6=6km/h Speed of boat in upstream =B-S=40/8=5km/h Now Speed of boat in still water B= (6+5)/2 =11/2=5.5km/h
When there is crossing over between centromere and gene under consideration, the segregation of that gene takes place during:
Match the following.Â
Which of the following basic principle of field experimentation helps in reducing the experimental error?
Which of the following statements is/are true?
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Pyrazosulfuron ethyl is a
Which weed is classified as a parasitic weed and is commonly found affecting crops like sugarcane and legumes?
