Mcqs | Aerobic v.s Anaerobic | Cellular Respiration

-


 

Q1. The process of oxidation of food inside cells is called:
A) Photosynthesis B) Cellular Respiration C) Fermentation D) Digestion

Q2. The most common food molecule used by cells for energy is:
A) Fat B) Protein C) Glucose D) Vitamin

Q3. Aerobic respiration takes place in the presence of:
A) Water B) Oxygen C) Carbon dioxide D) Alcohol

Q4. In aerobic respiration, glucose is:
A) Partially oxidized B) Completely oxidized C) Not oxidized D) Reduced

Q5. The first phase of respiration breaks glucose into:
A) Ethanol B) CO₂ C) Pyruvic acid D) Lactic acid

Q6. How many pyruvic acid molecules are produced from one glucose molecule?
A) 1 B) 2 C) 3 D) 4

Q7. Pyruvic acid has how many carbon atoms?
A) 2 B) 3 C) 4 D) 5

Q8. Which type of respiration releases maximum energy?
A) Aerobic respiration B) Anaerobic respiration C) Fermentation D) Photosynthesis

Q9. Cellular respiration without oxygen is called:
A) Aerobic respiration B) Anaerobic respiration C) Combustion D) Glycolysis

Q10. In anaerobic respiration, glucose is:
A) Fully oxidized B) Incompletely oxidized C) Not oxidized D) Reduced to ATP only

Q11. Which phase is common in both aerobic and anaerobic respiration?
A) Lactic acid fermentation B) Alcoholic fermentation C) Breakdown of glucose into pyruvic acid D) Electron transport chain

Q12. Alcoholic fermentation produces:
A) Lactic acid B) Ethanol + CO₂ C) ATP only D) Oxygen

Q13. Alcoholic fermentation commonly occurs in:
A) Skeletal muscles B) Yeast and bacteria C) Brain cells D) Plants only

Q14. Birds eating fermented berries may appear drunk because of:
A) Lactic acid B) Alcohol production C) Oxygen D) ATP deficiency

Q15. The chemical formula of ethyl alcohol is:
A) C₂H₆O B) C₂H₅OH C) C₃H₆O₃ D) CO₂

Q16. Which type of fermentation occurs in human muscles during hard exercise?
A) Alcoholic fermentation B) Lactic acid fermentation C) Aerobic respiration D) Photosynthesis

Q17. In lactic acid fermentation, pyruvic acid is converted into:
A) Ethanol B) CO₂ C) Lactic acid D) Glucose

Q18. Which compound is formed when muscles lack oxygen?
A) Alcohol B) Lactic acid C) Oxygen D) ATP only

Q19. In the early Earth atmosphere, the first organisms respired:
A) Aerobically B) Anaerobically C) With sunlight D) By photosynthesis

Q20. Organisms that get energy without oxygen are called:
A) Aerobes B) Anaerobes C) Producers D) Consumers

Q21. Which of the following are examples of anaerobes?
A) Some bacteria and fungi B) Plants C) Birds D) Humans

Q22. Skeletal muscles perform anaerobic respiration when:
A) Sleeping B) Exercising with less oxygen supply C) During digestion D) While resting

Q23. Which dairy products are made through bacterial fermentation?
A) Bread and wine B) Cheese and yogurt C) Butter only D) Meat

Q24. Fermentation in yeast is used in:
A) Dairy industry B) Brewing and baking C) Meat industry D) Farming

Q25. Soy sauce is made through fermentation by:
A) Yeast B) Fungus C) Bacteria only D) Algae

Q26. Which process releases less energy?
A) Aerobic respiration B) Anaerobic respiration C) Photosynthesis D) Protein breakdown

Q27. In fermentation, pyruvic acid acts as:
A) Product only B) Substrate for next reaction C) Oxygen supplier D) ATP

Q28. The waste product of alcoholic fermentation is:
A) O₂ B) CO₂ C) Lactic acid D) Glucose

Q29. In humans, lactic acid fermentation causes:
A) Muscle fatigue B) More ATP than aerobic respiration C) Alcohol production D) Breathing problem


Q30. Which of the following industries depends on fermentation?
A) Dairy and baking B) Textile C) Steel D) Petroleum

WATCH VIDEO

DOWNLOAD PDF

Comments

Post a Comment

Popular posts from this blog

BIOENERGETICS | Mcqs

-
Image
  1. Bioenergetics is the study of: A. Only photosynthesis B. Only respiration  C. How living organisms acquire, convert, store, and use energy  D. Chemical composition of living organisms 2. Organisms obtain energy primarily from: A. Their surroundings  B. ATP only C. Water and minerals D. Cell organelles 3. Plants capture sunlight through: A. Respiration  B. Photosynthesis  C. Fermentation D. Oxidation 4. Animals obtain energy mainly by: A. Absorbing sunlight  B. Consuming food  C. Oxidizing oxygen D. Using ATP directly 5. Chemical energy in cells is stored in: A. Glucose B. DNA  C. ATP  D. NADP 6. ATP stands for: A. Adenosine triphosphate  B. Adenine triphosphate C. Adenosine tetraphosphate D. Adenine tetraphosphate 7. Which of the following is NOT a process that uses ATP? A. Growth B. Movement C. Repair  D. Photosynthesis in plants 8. Oxidation-reduction reactions are also called: A. Endothermic reactions  B. Redox reactions  C. Hydrolysis reactions D. Co...
Read more

Mcqs | Mechanism of Photosynthesis

-
Image
  Mechanism of photosynthesis consist of: A) Cytoplasm and nucleus    B) Mitochondria and cytoplasm     C) Light and dark reactions D) Ribosomes and nucleus Light reactions of photosynthesis take place in: A) Stroma of chloroplast            B) Cytoplasm    C) Nucleus         D) Thylakoid membranes The energy molecules produced in light reactions are: A) ATP only       B) NADPH only   C) Glucose + ATP           D) ATP and NADPH NAD is a: A) Protein         B) Coenzyme    C) Vitamin        D) Hormone The phosphorylated form of NAD is called: A) NADH            B) NAD  ...
Read more

ATP Cell's Energy Currency | Mcqs

-
Image
ATP is also called: A) Cell’s energy coin B) Cell’s energy bank C) Cell’s energy currency D) Cell’s energy saver The scientist who proposed that ATP is the main energy-transfer molecule was: A) Robert Hooke B) Fritz Lipmann C) James Watson D) Gregor Mendel The year in which Fritz Lipmann proposed ATP’s role was: A) 1931 B) 1938 C) 1941 D) 1951 ATP molecule is composed of: A) Nitrogen base + glucose + phosphate B) Adenine + glucose + phosphate C) Adenine + ribose + three phosphates D) Adenine + galactose + two phosphates The nitrogen-containing base present in ATP is: A) Guanine B) Cytosine C) Thymine D) Adenine The sugar present in ATP is: A) Glucose B) Ribose C) Fructose D) Sucrose The bonds between the phosphate groups of ATP are called: A) Covalent weak bonds B) Ionic bonds C) Hydrogen bonds D) High-energy covalent bonds Breaking of one phosphate bond of ATP releases energy about: A) 5.3 kcal/mole B) 7.3 kc...
Read more