Carbohydrates and Biochemistry Basics Quiz

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Questions and Answers

Which element is present in carbohydrates along with carbon and hydrogen?

  • Nitrogen
  • Phosphorus
  • Oxygen (correct)
  • Sulfur

What is the general formula for carbohydrates?

  • CnH2O
  • (COH)2
  • (CH2O)n (correct)
  • Cn(H2O)n

What process do plants use to form carbohydrates?

  • Transpiration
  • Respiration
  • Photosynthesis (correct)
  • Fermentation

How are monosaccharides classified based on the number of sugar units?

<p>Single sugar -1 (D)</p> Signup and view all the answers

What is the meaning of 'polyhydroxy' in the context of carbohydrates?

<p>Containing several alcohol groups (D)</p> Signup and view all the answers

Which category of sugars cannot be broken down into other sugars?

<p>Pentoses (C)</p> Signup and view all the answers

What is the process of converting glucose sugar into animal starch (glycogen) called?

<p>Glycogenosis (C)</p> Signup and view all the answers

What are the clinical symptoms of hypoglycemia?

<p>Anoxia, weakness, and tremors (B)</p> Signup and view all the answers

Which of the following is a polysaccharide that is a polymer of monosaccharides?

<p>Cellulose (B)</p> Signup and view all the answers

What is the normal range level of glucose in the blood?

<p>(70 - 100) mg/dL (D)</p> Signup and view all the answers

What is the process of glycogen breakdown into glucose and intermediate products known as?

<p>Glycogenolysis (B)</p> Signup and view all the answers

Which of the following is an example of a tetrose?

<p>Erythrose (C)</p> Signup and view all the answers

Which of the following clinical conditions is associated with an increase in blood glucose level?

<p>Diabetes mellitus (C)</p> Signup and view all the answers

What is the primary hormone responsible for the entry of glucose into the cell?

<p>Insulin (B)</p> Signup and view all the answers

Which of the following is the correct definition of carbohydrates?

<p>Carbohydrates are organic compounds containing carbon, hydrogen, and oxygen, such as sugars and starches. (D)</p> Signup and view all the answers

Which of the following is a polysaccharide that is not produced by humans?

<p>Cellulose (B)</p> Signup and view all the answers

What is the significance of the process of photosynthesis in the context of carbohydrates?

<p>Photosynthesis allows plants to produce carbohydrates using carbon dioxide and water with the help of enzymes and sunlight. (D)</p> Signup and view all the answers

Based on the classification by the number of sugar units, which category does 'disaccharides' belong to?

<p>Category -2: two sugar units (B)</p> Signup and view all the answers

What is the primary characteristic of monosaccharides?

<p>They are simple sugars consisting of a single sugar unit. (D)</p> Signup and view all the answers

What is the defining characteristic that differentiates carbohydrates from other biomolecules?

<p>Carbohydrates contain a carbonyl group (C=O) and multiple alcohol groups unlike other biomolecules. (A)</p> Signup and view all the answers

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