Step 1: Concept
Honey is a natural saccharine substance produced by honeybees.
Step 2: Meaning
Dextrose is another name for glucose, and levulose is another name for fructose.
Step 3: Analysis
Honey contains about 70-80% sugar, primarily a mixture of the monosaccharides fructose and glucose. In honey, fructose (levulose) is usually present in a higher percentage than glucose (dextrose).
Step 4: Conclusion
Therefore, the main constituents are levulose and dextrose.
Final Answer: (C)