JEE & NEETNEET Biology NEET Biology 11 th & 12 th 100+ MCQ & Answer | Page-03 | JEE & NEET MCQ February 4, 2025 DSN MARATHI 21. Which of the following amino acids has to be supplemented in the diet? A. phenylalanine B. cysteine C. glutamine D. asparagine Answer Option : A 22. Which of the following amino acids is not necessary to be taken in the diet? A. histidine B. threonine C. serine D. lysine Answer Option : C 23. Amino acids with aromatic side chain are A. tryptophan, asparagine, tyrosine B. tryptophan, threonine, tyrosine C. phenylalanine, tryptophan, serine D. phenylalanine, tryptophan, tyrosine Answer Option : D 24. Which among the following is not polymeric? A. Carbohydrate B. Nucleic acids C. Proteins D. Lipids Answer Option : D 25. The naturally occurring proteins consist of A. D- amino acid B. L – amino acid C. both a and b D. none of these Answer Option : B 26. The first amino acid of any polypeptide chain in eukaryotes is A. valine B. methionine C. glycine D. alanine Answer Option : B 27. Amino Acid are mostly synthesised from A. fatty acid B. mineral salts C. 𝜶-ketoglutaric acid D. volatile acids Answer Option : C 28. An amino acid yielding acetyl CoA during catabolism is A. ketogenic B. glucogenic C. essential D. both glucogenic and ketogenic Answer Option : A 29. The simples amino acid is A. Glycine B. Alanine C. asparagine D. Tyrosine Answer Option : A 30. Amino acids with aliphatic ‘R’ group are A. Glycine, alanine, leucine B. Serine, threonine, cysteine C. Lysine , arginine , histidine D. Phenylalanine, tyrosine and tryptophan Answer Option : A
21. Which of the following amino acids has to be supplemented in the diet? A. phenylalanine B. cysteine C. glutamine D. asparagine Answer Option : A
22. Which of the following amino acids is not necessary to be taken in the diet? A. histidine B. threonine C. serine D. lysine Answer Option : C
23. Amino acids with aromatic side chain are A. tryptophan, asparagine, tyrosine B. tryptophan, threonine, tyrosine C. phenylalanine, tryptophan, serine D. phenylalanine, tryptophan, tyrosine Answer Option : D
24. Which among the following is not polymeric? A. Carbohydrate B. Nucleic acids C. Proteins D. Lipids Answer Option : D
25. The naturally occurring proteins consist of A. D- amino acid B. L – amino acid C. both a and b D. none of these Answer Option : B
26. The first amino acid of any polypeptide chain in eukaryotes is A. valine B. methionine C. glycine D. alanine Answer Option : B
27. Amino Acid are mostly synthesised from A. fatty acid B. mineral salts C. 𝜶-ketoglutaric acid D. volatile acids Answer Option : C
28. An amino acid yielding acetyl CoA during catabolism is A. ketogenic B. glucogenic C. essential D. both glucogenic and ketogenic Answer Option : A
30. Amino acids with aliphatic ‘R’ group are A. Glycine, alanine, leucine B. Serine, threonine, cysteine C. Lysine , arginine , histidine D. Phenylalanine, tyrosine and tryptophan Answer Option : A
