Carbohydrate

Carbohydrates are vital energy sources for living organisms, composed of carbon, hydrogen, and oxygen. They have a hydrogen to oxygen ratio of 2:1. Carbohydrates can be simple, like sugars, or complex, like starch and cellulose.

What is the primary role of carbohydrates in living organisms?

• To store genetic information

• To regulate body temperature

• To provide structural support

• To serve as an energy source

Which elements are found in carbohydrates?

• Carbon, hydrogen, and oxygen

• Carbon, hydrogen, and nitrogen

• Hydrogen, oxygen, and nitrogen

• Carbon, oxygen, and nitrogen

What is the ratio of hydrogen to oxygen atoms in carbohydrates?

• 4:1

• 3:1

• 2:1

• 1:1

Which of the following is a simple carbohydrate?

• Starch

• Cellulose

• Protein

• Sugar

Which of the following is a complex carbohydrate?

• Sucrose

• Glucose

• Fructose

• Starch