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Let the total right answer is xand Total wrong answer = y Raj scored = 140 marks 3 x - y = 140 …………………(i) Raj scored = 170 marks 4 x - 2 y = 170 …………………(ii) Solving these equations, we get x = 55 So total correct answer = 55 Putting the value of x in eq(i) , we get y = 25 Total wrong answers = 25 so the total number of questions = 55 + 25 = 80
In which part of insect body, Johnston's organs are present?
Vertical distribution of microclimate is:
Arrange the crops in order of their water requirement (WR)
Tea leaves become yellow due to
Photorespiration is high in ___
Which major weed species is becoming increasingly resistant to Isoproturon in wheat fields of North India, posing a challenge for effective weed control?
The plant which can tol water stress ,can survive in dry land areas ,Which crop is most suitable for dryland farming?
______ activates a proton pump at the guard cell plasma membrane.
Sponging type of mouth parts are found in which insect?
Calculate the theoretical field capacity of the tractor that travels 6 km/hr and has an operating width of 20 m.
