1. What is the process used by plants and other organisms to convert light energy from the Sun into chemical energy? *
a. photosynthesis
b. fermentation
c. respiration
d. glycolysis
2. Which of the following processes produces the most ATP? *
a. glycolysis
b. Fermentation
c. oxidative phosphorylation (electron transport chain and chemiosmosis)
d. Krebs cycle
3. Which stage of aerobic respiration produces ATP and NADH and releases CO2? *
a. glycolysis
b. fermentation
c. oxidative phosphorylation
d. Kreb Cycle
4. During which metabolic stage is glucose broken down to pyruvate? *
a. glycolysis
b. citric acid cycle
c. electron transport chain
d. oxidative phosphorylation
5. In which part of the mitochondrion does an electron transport chain occur? *
a. matrix
b. cristae
c. inner membrane
d. outer membrane
6. Which of the following is caused by the stiffness of those who are performing very strenuous activities in humans? *
a. oxygen formation
b. temporary build up of lactic acid
c. high oxygen level
d. presence of carbon dioxide
7. How many molecules of carbon dioxide are generated during the citric acid cycle?
a. 1
b. 3
c. 2
d. 4
8. You went inside a supermarket when Maria, one of the customers, fainted due to hypoglycemia. Which of the following products are you going to give her when she wakes up? *
a. hot coffee
b. sweet candy
c. hot porridge
d. chicken inasal
9. What will happen to an organism if the cell stops producing mitochondrion? *
a. produces less energy
b. produces more energy
c. no production of energy
d. same production of energy
10. Which statement of glycolysis is false? *
a. Glycolysis can happen without oxygen
b. Glycolysis happens in the mitochondria
c. Glycolysis represents the first step of cellular respiration
d. Glycolysis uses one molecule of glucose to generates 2ATP, 2NADH and 2 pyruvates.