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Question

Which of the following statements is not true with respect to carbohydrates?

A

Starch is a type of carbohydrate.

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B

Carbohydrates are compounds of carbon, hydrogen and oxygen.

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C

Carbohydrates include sugars, starch, cellulose, etc.

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D

In carbohydrates, the ratio of hydrogen and oxygen is 1:2

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Solution

The correct option is: C

Explanation of the correct option:

Carbohydrates are macronutrients and are one of the three main ways by which our body obtains its energy. They are called carbohydrates as they comprise carbon, hydrogen, and oxygen at their chemical level in a ratio of 1:2:1.

Carbohydrates are known as one of the basic components of food, including sugars, starch, and fiber which are abundantly found in grains, fruits, and milk products. Carbohydrates are also known as starch, simple sugars, complex carbohydrates, and so on. It is also involved in fat metabolism and prevents ketosis.

Explanation of the incorrect option:

Option A: Carbohydrates are known as one of the basic components of food, including sugars, starch, and fiber which are abundantly found in grains, fruits, and milk products.

Option B: Carbohydrates are also known as starch, simple sugars, complex carbohydrates, and so on.

Option D: Carbohydrates comprise of carbon, hydrogen, and oxygen at their chemical level in a ratio of 1:2:1.


Final answer: In carbohydrates, the ratio of hydrogen and oxygen is 2:1


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