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.
21. Which of the following is a phospholipid________________?
A. Glycogen
B. Sphingomyelin
C. Prostaglandin
D. Oleic acid
22. Unsaturated fatty acids are converted to______________?
A. Prostaglandins
B. Cholesterol
C. Cell membrane lipid
D. Saturated fatty acid
23. Saponification means hydrolysis of fats by________________?
A. Acid
B. Alkali
C. Water
D. Enzymes
24. The major lipids that make up the cell membrane are_______________?
A. Triglycerides
B. Phospholipids
C. Sphingomyelins
D. Fatty acids
25. The most important role of cholesterol is_____________?
A. It is a component of cell membrane
B. It is a precursor of polyunsaturated fatty acids
C. It stores up energy
D. None of the above
26. A fatty acid that is not synthesized in man is_____________?
A. Linoleic acid
B. Oleic acid
C. Palmitic acid
D. Stearic acid
27. Fatty acid oxidation occurs in______________?
A. Cytoplasm
B. Microsomes
C. Mitochondria
D. All of the above
28. True about G protein couple receptors is _________________ ?
A. G proteins bind to hormones on the cell surface
B. All the three subunits alpha, beta and gamma should bind each other for G protein to act
C. G Proteins act as inhibitory and excitatory because of difference in alpha subunit
D. G protein is bound to GTP in resting state
29. Non polar lipid act as______________?
A. Electrical insulators
B. Irons
C. Non electrical insulators
D. Electrolytes
30. Iron is present in all, EXCEPT______________?
A. Myoglobin
B. Cytochrome
C. Catalase
D. Pyruvate kinase