Biology MCQs – Page 91

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Option A: There is probably more substrate present than there is enzym Option B: There is probably more enzayme available than there is substrat Option C: There is probably more product present than there is either substrate or enzym Option D: Correct Answer : There is probably more enzayme available than there is substrate Read more

✅ B. Decreases

Option A: Increases Option B: Decreases Option C: Does not effect Option D: Increases or decreases depending upon individual enzyme Correct Answer : Decreases Read more

✅ A. Vitamins

Option A: Vitamins Option B: Carbohydrates Option C: Proteins Option D: Metals Correct Answer : Vitamins Read more

✅ C. Golgi apparatus

Option A: Ribosomes Option B: Cytoplasm Option C: Golgi apparatus Option D: Endoplasmic reticulum Correct Answer : Golgi apparatus Read more

✅ D. Enzymes

Option A: Cofactor Option B: Coenzymes Option C: Activator Option D: Enzymes Correct Answer : Enzymes Read more

✅ C. Milochondria

Option A: Nucleus Option B: Chlorophast Option C: Milochondria Option D: Ribosome Correct Answer : Milochondria Read more

✅ D. Concave

Option A: Biconcave Option B: Convex Option C: Spherical Option D: Concave Correct Answer : Concave Read more

✅ C. Activator

Option A: Prosthetic group Option B: Coenzyme Option C: Activator Option D: Cofactor Correct Answer : Activator Read more

✅ D. Both b and c

Option A: Apoenzyme Option B: Holoenzyme Option C: Activated enzyme Option D: Both b and c Correct Answer : Both b and c Read more

✅ B. 9

Option A: 3 Option B: 9 Option C: 10 Option D: 15 Correct Answer : 9 Read more

✅ C. All enzymes are fibrous Proteins.

Option A: Some of them consist solely of protein with no non protein part. Option B: They catalyze a chemical reaction without being utilize Option C: All enzymes are fibrous Proteins. Option D: They without their cofactor are called apoenzyme. Correct Answer : All enzymes are fibrous Proteins. Read more

✅ A. Active site

Option A: Active site Option B: Binding site Option C: Catalytic site Option D: Allosteric site Correct Answer : Active site Read more

✅ A. Microfilaments

Option A: Microfilaments Option B: Microtubules Option C: Intermediate filaments Option D: Cytoskeleton Correct Answer : Microfilaments Read more

✅ A. Emil Fischer

Option A: Emil Fischer Option B: Koshland Option C: Robin Williams Option D: Rudolph Virchow Correct Answer : Emil Fischer Read more

✅ B. Formation of Enzyme Susstrate complex.

Option A: Change in pH of the surroundings. Option B: Formation of Enzyme Susstrate complex. Option C: Change in the charge of the active sit Option D: E. Correct Answer : Formation of Enzyme Susstrate complex. Read more

✅ D. Organic

Option A: Inorganic Option B: Cationic Option C: Anionic Option D: Organic Correct Answer : Organic Read more

✅ C. Eukaryotic ribosomes

Option A: DNA Option B: Nucleus Option C: Eukaryotic ribosomes Option D: RNA Correct Answer : Eukaryotic ribosomes Read more

✅ C. Thylakoids

Option A: Cell membrane Option B: Matrix Option C: Thylakoids Option D: Stroma Correct Answer : Thylakoids Read more

✅ D. AB blood group

Option A: A blood group Option B: B blood group Option C: O blood group Option D: AB blood group Correct Answer : AB blood group Read more

✅ C. Genotype

Option A: Trait Option B: Phenotype Option C: Genotype Option D: Ratios Correct Answer : Genotype Read more