Chemistry Mcqs XII [300 MCQS All Chapters] Online Test 27

XII Chemistry Online Mcqs - All Chapters - Online Mcqs Test - 27

Chemistry Online Mcqs Test for class 12, Second Year, According to Karachi Board 300 Online Multiple Choice Questions

Q1. During digestion proteins are broken down to

• Glucose
• Amino acids
• Fatty acids
• None

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Q2. Lipids and proteins are made of

• Macromolecule
• Micro molecule
• Micro atom
• None

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Q3. Which organic compound is a major structural compound of an animal tissue?

• Carbohydrates
• Proteins
• Cellulose
• Lipids

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Q4. Enzymes are

• Carbohydrate in nature
• Protein in nature
• Fat in nature
• None

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Q5. Which of the following is a pure amino acid

• Glycin
• Protein
• Hydroxyproline
• Enzyme

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Q6. The substance upon which an enzyme acts is known as its

• Domain
• Field
• Substrate
• Reactant

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Q7. Water soluble vitamins include

• Vitamin A, B
• Vitamin D, K
• Vitamin B, C
• Vitamin C , E

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Q8. Vitamin Bi is called

• Thiamin
• Riboflavin
• Niacin
• Pyridoxine

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Q9. Vitamin B is called

• Thiamin
• Riboflavin
• Niacin
• Pyridoxine

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Q10. Vitamin B5 is called

• Thiamin
• Riboflavin
• Niacin
• Pyridoxine

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