Q2. Which monosaccharide reacts with Benedict’s solution to give a red precipitate?A. GlucoseB. SucroseC. Fructose-1-phosphateD. Deoxyribose
Q3. Which nucleic acid base pairs with two hydrogen bonds in DNA?A. AdenineB. GuanineC. CytosineD. Uracil
Q4. Which type of bond links the sugar and nitrogenous base in a nucleotide?A. Phosphodiester bondB. Glycosidic bondC. Peptide bondD. Hydrogen bond
Q6. What type of bond stabilizes the secondary structure of proteins?A. Peptide bondB. Hydrogen bondC. Disulfide bondD. Ionic bond
Q7. Which nucleic acid contains a sugar with a missing hydroxyl group at C2?A. mRNAB. tRNAC. DNAD. rRNA
Q8. Which monosaccharide has the same number of carbon atoms as glucose but a different functional group?A. GalactoseB. RiboseC. MannoseD. Fructose
Q9. Which vitamin supports the conversion of pyruvate to acetyl-CoA?A. Vitamin B₂B. Vitamin B₆C. Vitamin B₅D. Vitamin B₁
Q10. Which vitamin deficiency leads to pernicious anemia?A. Vitamin B₆B. Vitamin B₁₂C. Vitamin B₃D. Vitamin C