Multiple-choice questions (MCQs) are a great way to test how well a student understands a concept. The experts at Guru MCQs have created these biochemistry MCQs based on current trends and practices. These MCQs, along with answers, cover all aspects of biochemistry. They are also helpful for competitive exams like PPSC, FPSC, SPSC, KPPSC, BPSC, and others. The biochemistry Questions and Answers include topics such as Biomolecules, Carbohydrates, Aminocides, Proteins, Protein function, Nucleic acids, Weak Interactions in Aqueous Systems, Ionization of Water, Weak acids & Weak Bases, Water as a Reactant, Proteoglycans, Glycoproteins and Glycolipids, Proteoglycans, Glycoproteins and Glycolipids – and much more. If you’re interested, you can also find Medical MCQs on the platform.
161. Which of the following is a precursor of protoporphyrin_______________?
A. Alanine
B. Leucine
C. Histidine
D. Glycine
162. Cytochromes are_____________?
A. Pyridine nucleotides
B. Riboflavin containing nucleotides
C. Metal containing flavoproteins
D. Iron-porphyrin proteins
163. Heme in haemoglobin is____________?
A. Between Helix C and D
B. Surrounded by non polar environment
C. Bonded to E7 histidine
D. Protoporophyrin IX
164. Which of the following is correct about breakdown of hemoglobin (Hb)_____________?
A. Hb→Heme→bilirubin→Urobilinogen
B. Heme→Hb→Biliverdin→Urobilinogen
C. Hb→Heme→Bilverdin→Uro bilinogen
D. Hb→Heme→bilirubin→Urobilinogen→Biliverdin
165. Creatine is formed metabolically from______________?
A. Tryptophan
B. Arginine
C. Phenylalanine
D. Histidine
166. Major source of ammonia in the kidney is___________?
A. Urea Aspartate
B. Aspartate
C. Glutamine
D. Glutamate
167. Which base is not found in DNA________________?
A. Adenine
B. Guanine
C. Cytosine
D. Uracil
168. In the body, metabolism of 10 g of protein would produce approximately____________?
A. 1 Kcal
B. 41 Kcal
C. 410 Kcal
D. 4100 Kcal
169. Alkaptonuria an inherited metabolic disorder is due to the deficiency of____________?
A. Homogentisate oxidase
B. Cystathionase
C. Pheylalanine hydroxylase
D. Tyrosine transaminase
170. Colloidal osmotic pressure of plasma is by___________?
A. Albumin
B. Fibrinogen
C. Globulin
D. Prothrombin