Class 7 Courses

Class 7 Science Prep Tests

Class 7 Science Tests

Ammonia and Fertilizers MCQ with Answers PDF Download

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Class 7 Science: Ammonia and Fertilizers MCQs PDF Download

MCQ: Ammonia fertilizers are made by two components, they are

A) ammonia and hydrogen
B) ammonia and nitric acid
C) nitrogen and hydrogen
D) nitrogen and water

MCQ: If there is lack of nitrogen in soil, plants turn

A) red
B) orange
C) blue
D) to be stunted

MCQ: A component without which fertilizer is incomplete, is

A) ammonia
B) nitrogen
C) methane
D) ethene

MCQ: One of the main components of fertilizers is

A) ammonia
B) chlorine
C) hydrogen
D) methane

MCQ: The essential mineral for plants other than ammonia, is

A) potassium
B) sodium
C) phosphorus
D) uranium

Practice Tests: Class 7 Science Exam Prep

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