Cellular Respiration and Photosynthesis

How many net ATP is produced at the end of glycolysis?

• 2

• 4

• 1

• 0

In which stage of aerobic respiration does complete oxidation of glucose occurs?

• Glycolysis

• Link reaction

• Krebs cycle

• Oxidative phosphorylation

Which of the following is not molecule produced in link reaction?

• Acetyl CoenzymeA

• Carbon dioxide

• Pyruvate

• NADH

Name the enzyme involves in the third step of glycolysis?

• Hexokinase

• Phosphoglucoisomerase

• Aldolase

• Phosphofructokinase

NADH is a high-energy electron carrier. Which of the following protein complexes will be first reduced when NADH donates its electron?

• Cytochrome c reductase

• Ubiquinone

• Succinate reductase

• NADH dehydrogenase

If all the high energy electron carriers produced in Krebs cycle (from oxidation of one acetyl Coenzyme A) go through oxidative phosphorylation, how many ATP will be yield?

• 22

• 11

• 9

• 13

Which of the following is true regarding lactic acid fermentation?

• Carbon dioxide is produced through decarboxylation of pyruvate

• NADH will enter mitochondria and pass the electron along thr electron transport chain

• Pyruvate is reduced to form lactate

• Yeast and plant cells undergo lactic acid fermentation

Which of the following is not an example of active cells that produce 38 ATP?

• Heart cell

• Kidney cell

• Liver cell

• Muscle cell

Which of the following photosynthetic pigments act as the primary pigment in the reaction centre?

• Chlorophyll b

• Chlorophyll c

• Chlorophyll a

• Phaeophytin

What is the function of primary electron acceptor in the reaction centre of a photosystem?

• To pass along energy from photon to other accessory pigment

• To capture energised and photoexcited electron elevated from chlorophyll a

• To reduce NADP⁺ to NADPH

• To split water into oxygen gas, proton and electron