FERTILISER TECHNOLOGY QUIZ

Rock phosphate used for the production of phosphatic fertiliser is mined at

Talchar (Orissa)

Bailladella (M.P.)

Amjhor (Jharkhand)

Kiriburu (Bihar)

TRUE ANSWER : ?
YOUR ANSWER : ?

NPK means a __________ fertiliser.

Potassic

Solid

Mixed

Liquid

TRUE ANSWER : ?
YOUR ANSWER : ?

Potassic fertilisers

Are useful during early stage of the plant growth

Stimulate early growth and accelerate seeding

Help in development of starches of potatoes and grain

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Electric furnace method for production of phosphorous uses phosphate rock

Silica and coke

And sulphuric acid

And coke

And phosphoric acid

TRUE ANSWER : ?
YOUR ANSWER : ?

Oxidation of ammonia is

Endothermic

Exothermic

Non-catalytic

Autocatalytic

TRUE ANSWER : ?
YOUR ANSWER : ?

Iron is not used alone as a catalyst in ammonia synthesis, because

Its activity declines rapidly, if heated to above 520°C

It decomposes ammonia

None of these

It gets oxidised above 500°C

TRUE ANSWER : ?
YOUR ANSWER : ?

Phosphatic fertiliser is graded based on its __________ content.

P₂O₅

PCl5

H₃PO₄

P₂O₃

TRUE ANSWER : ?
YOUR ANSWER : ?

NPK fertiliser is a __________ fertiliser.

Mixed

Nitrogenous

Complex

Phosphatic

TRUE ANSWER : ?
YOUR ANSWER : ?

Conditioners like finely divided peat are added to the fertiliser to

Avoid caking & hardening

Produce bulk

Increase its solubility

Counteract burning

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following fertilisers is needed for promoting the development of leaves and stems during early stages of plant growth?

Nitrogeneous fertiliser

Phosphatic fertiliser

Potassic fertiliser

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

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