Answer:
Glucose is the building blocks of carbohydrates and is the first source of energy for the body.(Ans. B)
Step-by-step explanation:
Carbohydrates present in fruits, vegetables, dairy products, etc. And the body needs these foods to synthesize the glucose molecule. It is the main energy source in our body.
Carbohydrates provide us healthy body as well as energy, and they are also source of vitamins and minerals. Carbohydrates are mainly composed of carbon, hydrogen and oxygen molecules. General formula of glucose is C6H12O6 which is produce by carbohydrates.
During the reaction of photosynthesis carbohydrates are formed from Green plants from carbon-dioxide and water present in plants.