Question
The breeding method useful in purification of existing
varieties isSolution
Mass selection: In mass selection a large number of plants of different desirable phenotypes are selected and their seeds are mixed together to constitute a new variety. The plants are selected on the basis of their appearance or phenotype. The population obtained from the selected plants would be more uniform than the original population. Applications of mass selection: · Improvement of local varieties. · Purification of existing pure line varieties.
Cathode rays when obstructed by metal cause emission of -
The force required to maintain an object at a constant velocity is
Which gas is responsible for the ozone layer's depletion?
Starting from a stationary position, Rahul pedals his bicycle to attain a velocity of 6 ms⁻¹ in 30 s. Then he applies brakes such that the velocity o...
In blood, platelets are required for
Which of the following is not an equation of motion?
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A current of 3 A flows through a 10-ohm resistor for 5 seconds. What is the total energy dissipated by the resistor?
Which of the following is treated with chlorine to obtain bleaching powder?
The transport of water in plants takes place through:
