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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