Nitrogen fixation is a process of
A. Assimilation of nitrate
B. Utilisation of nitrogen gas
C. Conversion of organic nitrogen to proteins
D. Conversion of molecular nitrogen to ammonia
Answer: Option D
A. Assimilation of nitrate
B. Utilisation of nitrogen gas
C. Conversion of organic nitrogen to proteins
D. Conversion of molecular nitrogen to ammonia
Answer: Option D
Which of the following phenomenon is considered responsible for Global Warming?
A. Greenhouse effect
B. Fire in coal mines
C. Dry farming
D. Monsoon
E. Trade winds
The nucleus of an atom consists of
A. electrons and neutrons
B. electrons and protons
C. protons and neutrons
D. All of the above
The number of moles of solute present in 1 kg of a solvent is called its
A. molality
B. molarity
C. normality
D. formality
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