JEE CHEMISTRY UNIT 19
QUIZ NO 1
TOTAL QUESTIONS = 20
1. What is the functional group in amino acids?
A. -NH2 and -COOH
B. -SH and -NH2
C. -CO and -NH
D. -OH and -COOH
2. Which of the following is a purine base?
A. Guanine
B. Adenine
C. Cytosine
D. Thymine
3. Which of the following is a fibrous protein?
A. Hemoglobin
B. Keratin
C. Myoglobin
D. Collagen
4. What is the bond between two amino acids called?
A. Peptide bond
B. Glycosidic bond
C. Disulfide bond
D. Hydrogen bond
5. Which of the following is a purine base?
A. Thymine
B. Uracil
C. Cytosine
D. Adenine
6. Which of the following is a nitrogenous base in RNA?
A. Adenine
B. Uracil
C. Thymine
D. Cytosine
7. Which of the following vitamins is fat-soluble?
A. Vitamin B
B. Vitamin E
C. Vitamin D
D. Vitamin K
8. What is the functional group in amino acids?
A. -SH and -NH2
B. -COO and -CH3
C. -COOH and -OH
D. -NH2 and -COOH
9. What is the bond formed between two monosaccharides called?
A. Peptide bond
B. Disulfide bond
C. Ester bond
D. Glycosidic bond
10. Which of the following lipids is a steroid?
A. Steroid
B. Triglyceride
C. Cholesterol
D. Phospholipid
11. Which of the following is a fat-soluble vitamin?
A. Vitamin E
B. Vitamin D
C. Vitamin K
D. Vitamin A
12. What is the role of ATP in cells?
A. Energy carrier
B. Transport oxygen
C. Structural support
D. Catalyst for reactions
13. Which of the following is a water-soluble vitamin?
A. Vitamin E
B. Vitamin A
C. Vitamin C
D. Vitamin D
14. What is the structural unit of proteins?
A. Polysaccharides
B. Polypeptides
C. Monosaccharides
D. Amino acids
15. Which of the following vitamins is water-soluble?
A. Vitamin E
B. Vitamin D
C. Vitamin K
D. Vitamin C
16. What is the main function of hemoglobin in the blood?
A. Transport oxygen
B. Convert glucose to energy
C. Neutralize acids
D. Store carbon dioxide
17. Which of the following lipids is a steroid?
A. Phospholipid
B. Cholesterol
C. Triglyceride
D. Steroid
18. What is the main function of DNA?
A. Energy storage
B. Hormone regulation
C. Protein synthesis
D. Store genetic information
19. Which of the following is a water-soluble vitamin?
A. Vitamin K
B. Vitamin E
C. Vitamin D
D. Vitamin C
20. What is the bond formed between two amino acids called?
A. Peptide bond
B. Hydrogen bond
C. Glycosidic bond
D. Disulfide bond
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