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Functions of Nitrogen and Magnesium MCQ Quiz PDF Download

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Class 9 Biology: Functions of Nitrogen and Magnesium MCQs PDF Download

MCQ: The magnesium is important for enzymes to produce

A) sugars
B) fats
C) carbohydrates
D) all of above

MCQ: The structural component of chlorophyll is

A) magnesium
B) potassium
C) calcium nitrate
D) calcium phosphate

MCQ: The nitrogen is useful for plants in the form of

A) nitrates
B) nitric acid
C) nitrogen dioxide
D) nitrites

MCQ: The excess amount of nitrogen leads to

A) delayed fruiting only
B) delayed flowering only
C) rapid fruiting
D) delayed fruiting and flowering

MCQ: The kind of metabolism which plays an important role in the growth of stems and leaves is

A) carbon metabolism
B) hydrogen metabolism
C) oxygen metabolism
D) nitrogen metabolism

Practice Tests: Class 9 Biology Exam Prep

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