Class 9 Courses

Class 9 Biology Prep Tests

Class 9 Biology Tests

Importance of Fertilizers MCQ with Answers PDF Download

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Class 9 Biology: Importance of Fertilizers MCQs PDF Download

MCQ: If the nitrogen is the main element of fertilizers then the fertilizers are classified as

A) structural fertilizers
B) non-structural fertilizers
C) nitrogen fertilizers
D) respiratory fertilizers

MCQ: The increased ratio of chemical nutrients in the ecosystem is classified as

A) triplication
B) eutrophication
C) crystallization
D) distillation

MCQ: The excess of nitrogen fertilizers leads to

A) pest problems
B) growth problems
C) fruiting problems
D) flowering problems

MCQ: The greenhouse gas which can be emitted from the storage of nitrogen-based fertilizers is

A) nitrous oxide
B) nitric oxide
C) oxygen
D) hydroxide

MCQ: The organic fertilizers can be derived from

A) animal materials only
B) plant materials only
C) carbon materials
D) animal and plant materials

Practice Tests: Class 9 Biology Exam Prep

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