Chemistry MCQs

Page No. 56

Phosphorus helps in the growth of_________________?


aroot


bleave


cstem


dseed


View Answer seed

What is clinker ?


aroasted calcareous material


broasted argillaceous material


croasted calcareous and argillaceous material


droasted gypsum



The potassium present in plant help the plant to___________________?


aform starch sugar and fibrous material


b ripen the seeds and fruits


cincrease the resistance against disease


dall the above statements are correct



Which one of the following is an inorganic fertilizer ?


amanure


burea


cammonium nitrate


dall


View Answer ammonium nitrate

The nutrients which are required in very small amount for the normal growth of plants are called_________________?


anitrogenous fertilizers


bmicronutrients


cphosphorous fertilizers


dAll of the above


View Answer micronutrients

Argillaceous material does not include________________?


avlay


bmarine shells


cslate


dblast furnace slag


View Answer marine shells

Which of the following potassium fertilizers are more useful for horticultural crops tobacco & potatoes ?


aKCI


bKNO3


cK2SO4


dKMnO4


View Answer KNO3

Which of the following fertilizers is not useful for paddy rice ?


aUrea


bDAP


cAmmonium sulphate


dAmmonium nitrate


View Answer Ammonium nitrate

Which of the following is the most suitable catalyst for ammonia synthesis ?


aPt


bZnO + Cr2O3


cFe in fused mixture of Al2O3 + SiQ2 + MgO


dAll of the above



Which of the following is macronutrient ?


aCu


bCl


cH


dZn


View Answer H

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