A.Nitrogen
B.Oxygen
C.Hydrogen
Related Mcqs:
- Which are the four most abundant elements in living cells ??
- Which one is the basic element of organic compounds _________________??
- In a volume of air near the earth’s surface, _____________ occupies 78 percent and ____________ nearly 21 percent.
- Which of the following gases are mainly responsible for the atmospheric greenhouse effect in the earth’s atmosphere?
- Stanley Miller in his classical experiment on formation of amino acids passed an electric discharge in the mixture of:
- The two major consitituents of the sun are
- Biogas is composed of __________?
- Miller synthesized simple amino acids from:
- Actin has a strong affinity to myosin and readily combines with it to form actomyosin but this is inhibited by:
- The most abundant gases in the earth’s atmosphere by volume are ____________.
