Question
The most accepted theory to explain ascent of sap in
plants âtranspirationâcohesionâtension mechanismâ, was proposed by:Solution
The correct answer is C
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Aâ and âBâ together can complete a work in 20 days while âAâ takes 25 days to complete the same work alone. If âCâ is 60% more efficient t...
‘A’ and ‘B’ together can complete a work in 10 days, while ‘B’ and ‘C’ together can complete the work in...
A buffalo alone can plough field âAâ in 40 days. A Bull alone can plough the field âAâ in 80 days. Find the number of days taken by 3 bulls and ...
âAâ and âCâ together can dig a hole in 8 hours while âAâ, âBâ and âCâ together can dig the same hole in 6 hours. Find the time taken...