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.
151. Key enzyme in urea synthesis is____________?
A. Urease
B. Carbamyl synthetase
C. Arginase
D. Ornithine
152. Ammonia is detoxified in liver to form____________?
A. Uric acid
B. Glutamine
C. Creatinine
D. Urea
153. A small Ca+2 binding protein that modifies the activity of many enzymes and other proteins in response to changes of Ca+2 concentration is known as______________?
A. Cycline
B. Calmodulin
C. Collagen
D. Kinesin
154. Decarboxylation of which of the following amino acids results in formation of a vasodilator ?
A. Valine
B. Arginine
C. Histidine
D. Glutamic acid
155. A mutation that converts an amino acid codon to a stop codon is a_____________?
A. Nonsense mutation
B. Transversion
C. Silent mutation
D. Frame shift mutation
156. Histidine is converted to histamine by_____________?
A. Transamination
B. Hydroxylation
C. Decarboxylation
D. Reduction
157. ALbumin is synthesized by_____________?
A. Liver
B. Kidney
C. Muscle
D. Spleen
158. Which of the following amino acids is quickly converted to tyrosine ?
A. Arginine
B. Glycine
C. Phenylalanine
D. Leucine
159. Synthesis of protein occurs on__________________?
A. Mitochondria
B. Poly ribosomes
C. Nucleus
D. Golgi bodies
160. Which of the following is present in the plasma but absent in the serum ?
A. Albumin
B. Globulin
C. Lecithin
D. Firbinogen