A B Efficiency 2 : 1 B can do this job in 40 days so let total work = 1×40 = 40 units So let A work alone for x days and they work together for remaining i,e. (32-x) Hence 1×x+3(32-x) = 40 x +96 - 3x = 40 56 = 2x So x = 28 days So they work togethr for (32-x) i.e . 4 days
When plant cells are placed in hypertonic solution, they become____
Movement of water upto the stem and reaching all parts of the plant is due to
Mutation was first discovered by ___________
The weeds whose seed is difficult to separate from crop seed after contamination is called ______
Match List I with List II
Choose the correct answe...
What is the percentage of nitrogen in urea on weight basis?
Adventitious embryony occurs in:
Downy mildew or Green ear disease of Sorghum is ______
Who is the author of the text book on “Irrigation theory and practice”?
At what PF wilting percentage arrives
