“Sporophytic incompatibility reaction of pollen is governed by the genotype of the plant on
which the pollen is produced, and not by the genotype of the pollen” was first reported by ….
in parthenium?
The correct answer is C
Train A takes 90 seconds to cross a telegraph pole by travelling at 18 kmph speed. Train B has its length 60% more than A. It takes 40 seconds to cross ...
Two trains of same length are running in parallel tracks in the same direction with speed 50 km/hr and 120 km/hr respectively. The latter completely cro...
A train travelling with a speed of 72 km/h can cross a pole in 8 seconds. Find the time taken by the train to cross a 200 metres long platform if the sp...
Train ‘A’ running with a speed of 108 km/hr crosses a vertical pole in 10 seconds. Find the approx. time taken by the train ‘A’ ...
Train M, ‘x’ metres long crosses (x – 30) metres long platform in 20 seconds while train N having the length (x + 30) metres crosses the same plat...
Two trains, A and B, cross each other in 20 seconds and 30 seconds respectively, when running in opposite and the same direction respectively. If the sp...
Two trains of equal lengths take 30 seconds and 45 seconds respectively to cross a telegraph post. If the length of each train be 450 metres, in what ti...
A train 275 metre long takes 33 sec to cross a man running at a speed of 5 km/hr in the direction same to that of train. What is the speed of the train?
Train ‘A’ running with a speed of 108 km/hr crosses a vertical pole in 8 seconds. Find the time taken by the train ‘A’ to cross a train ‘B’ ...
Train P travelling at 62 km/hr crosses another train Q, having three fourth of its length and travelling in opposite direction at 28 km/hr in 14 seconds...
