Biochemistry MCQs part 2

1. Which of the following statement is correct about membrane cholesterol?

• The hydroxyl group is located near the centre of the lipid layer
• Most of the cholesterol is in the form of a cholesterol ester
• The steroid nucleus form forms a rigid, planar structure
• The hydrocarbon chain of cholesterol projects into the extracellular fluid

2. Which one is the heaviest particulate component of the cell?

• Nucleus
• Mitochondria
• Cytoplasm
• Golgi apparatus

3. Which one is the largest particulate of the cytoplasm?

• Lysosomes
• Mitochondria
• Golgi apparatus
• Entoplasmic reticulum

4. The degradative Processess are categorized under the heading of

• Anabolism
• Catabolism
• Metabolism
• None of the above

5. The exchange of material takes place

• Only by diffusion
• Only by active transport
• Only by pinocytosis
• All of these

6. The average pH of Urine is

• 7.0
• 6.0
• 8.0
• 0.0

7. The pH of blood is 7.4 when the ratio between H₂CO₃ and NaHCO₃ is

• 1 : 10
• 1 : 20
• 1 : 25
• 1 : 30

8. The phenomenon of osmosis is opposite to that of

• Diffusion
• Effusion
• Affusion
• Coagulation

9. The surface tension in intestinal lumen between fat droplets and aqueous medium is decreased by

• Bile Salts
• Bile acids
• Conc. H₂SO₄
• Acetic acid

10. Which of the following is located in the mitochondria?

• Cytochrome oxidase
• Succinate dehydrogenase
• Dihydrolipoyl dehydrogenase
• All of these

Biochemistry MCQs Parts =>

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