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Bio – Quarter 3

SSC-I (9th) · Biology · Afaq Sun

Test your understanding of Enzymes with 22 syllabus-aligned MCQs designed for SSC-I (9th) Afaq Sun students.

Use this short practice session to revise key concepts, identify weak areas, and prepare for your board examination.

Sample Questions

See what you’ll practice in this quiz.

  1. Which of the following best defines metabolism?
  2. Which of the following is an example of a catabolic pathway?
  3. Enzymes are best described as:

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What You’ll Practice

  • Chapter 7: Enzymes Metabolism, Catabolic Pathways, Anabolic Pathways, Enzymes, Biological Catalysts, Globular Protein Structure, Enzyme Specificity, Intracellular Enzymes, Extracellular Enzymes, Cofactors, Inorganic Metal Ions, Organic Cofactors, Prosthetic Groups, Coenzymes, Sequential Enzyme Actions, Metabolic Pathways, Industrial Applications of Enzymes, Food Industry, Paper Industry, Biological Detergents, Fermentation, Mechanism of Enzyme Action, Active Site, Lock and Key Model, Emil Fischer, Induced Fit Model, Daniel Koshland, Factors that Affect the Activity of Enzymes, Temperature, Optimum Temperature, Thermal Denaturation, pH, Optimum pH, Active Site Ionization, Substrate Concentration, Saturation of Active Sites, Enzyme Inhibition, Competitive Inhibition, Structural Similarity to Substrate, Active Site Blocking, Antibiotics, Non-Competitive Inhibition, Allosteric Sites, Active Site Conformational Alteration, Heavy Metals, Cancer Therapeutic Drugs
  • Chapter 8: Bioenergetics ATP: The Cell's Energy Currency, Oxidation-Reduction Reactions, Redox Reactions, Energy Transfer, ATP Structure, Adenine, Ribose, Three Phosphate Groups, High-Energy Phosphate Bonds, Hydrolysis, ADP, AMP, ATP-ADP Cycle, Photosynthesis, General Chemical Equation, Light-Dependent Reactions, Thylakoid Membrane, Light Absorption, Electron Transport Chain, Photolysis of Water, ATP Production, NADPH Production, Dark Reactions, Calvin Cycle, Stroma, Carbon Dioxide Fixation, Carbon Reduction, Glucose Generation, Role of Chlorophyll, Chlorophyll-a, Chlorophyll-b, Carotenoids, Accessory Pigments, Absorption Spectra, Red Light Absorption, Blue Light Absorption, Cellular Respiration, Aerobic Respiration, Complete Oxidation of Glucose, Oxygen, Anaerobic Respiration, Fermentation, Alcoholic Fermentation, Yeast, Bacteria, Ethanol, Carbon Dioxide, Lactic Acid Fermentation, Skeletal Muscles, Lactic Acid, Importance of Fermentation, Evolutionary Biology, Industrial Applications, Mechanism of Aerobic Respiration, Glycolysis, Cytoplasm, Pyruvic Acid, Krebs Cycle, Mitochondrial Matrix, Acetyl-CoA, Carbon Dioxide, ATP, NADH, FADH2, Electron Transport Chain, Inner Mitochondrial Membrane, Cristae, Oxidative Phosphorylation, Respiratory Energy, Muscle Contraction, Active Transport, Biosyntheses, Cell Division, Nerve Impulse Transmission, Body Temperature Maintenance, Comparison between Photosynthesis and Respiration
  • Chapter 9: Plant Physiology Nutrition in Plants, Autotrophic Mineral Requirements, Macronutrients, Carbon, Hydrogen, Oxygen, Phosphorus, Potassium, Nitrogen, Sulfur, Calcium, Magnesium, Micronutrients, Iron, Molybdenum, Boron, Copper, Manganese, Zinc, Chlorine, Nickel, Role of Nitrogen, Protein Synthesis, Chlorophyll Synthesis, Role of Magnesium, Chlorophyll Core, Enzyme Activation, Deficiency Symptoms, Chlorosis, Stunted Growth, Transport in Plants, Passive Transport, Diffusion, Osmosis, Active Transport, Internal Root Anatomy, Epidermis, Root Hairs, Cortex, Endodermis, Pericycle, Vascular Bundle, Xylem, Phloem, Uptake of Water and Mineral Salts, Apoplastic Movement, Symplastic Movement, Transpiration, Definition of Transpiration, Stomatal Transpiration, Cuticular Transpiration, Lenticular Transpiration, Stomatal Opening, Stomatal Closing, Guard Cell Turgor Movement, Potassium Ions, Osmotic Balance, Factors Affecting Transpiration Rate, Temperature, Wind Speed, Atmospheric Humidity, Transport of Water and Salts in Plants, Cohesion-Tension Theory, Transpirational Pull, Xylem Sap Ascent, Translocation of Food in Plants, Phloem Transport Mechanism, Pressure Flow Hypothesis, Source-to-Sink Movement, Gaseous Exchange in Plants, Diffusion through Stomata, Lenticels, Root Surfaces, Mechanisms for Excretion in Plants, Storage of Metabolic Wastes, Disposal of Metabolic Wastes, Resins, Gums, Latex, Leaf Fall, Excretophores, Vacuolar Sequestration, Osmotic Adjustments in Plants, Hydrophytes, Xerophytes, Halophiles, Mesophytes

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