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Chapter 9 quiz

Question 1 of 15

1

How do organisms obtain energy?

Select one of the following:

  • From food or directly from the sun

  • Drinking a lot of water daily

Explanation

Question 2 of 15

1

Why do most organisms undergo cellular respiration?

Select one of the following:

  • They don't actually need to undergo cellular respiration

  • The cell needs to obtain energy to carry our their reactions and tasks

Explanation

Question 3 of 15

1

How do cells release energy from food in the presence of oxygen?

Select one of the following:

  • Fermentation

  • Aerobic Respiration

Explanation

Question 4 of 15

1

How do cells release energy from food without oxygen?

Select one of the following:

  • Fermentation

  • Aerobic Respiration

Explanation

Question 5 of 15

1

What is the Krebs Cycle

Select one of the following:

  • The Krebs cycle is the second stage of cellular respiration. Pyruvic acid is passed on to it from the first stage

  • The Krebs cycle is the first stage of cellular respiration where glucose is broken down

Explanation

Question 6 of 15

1

Which of the following is not an aerobic process?

Select one of the following:

  • Krebs Cycle

  • Glycolysis

Explanation

Question 7 of 15

1

Fermentation is an anaerobic process.

Select one of the following:

  • True
  • False

Explanation

Question 8 of 15

1

What is the difference between NADH and FADH2?

Select one of the following:

  • They aren't different

  • NADH is a high energy molecule and makes ATP. FADH2 carries the energy.

Explanation

Question 9 of 15

1

There is no difference between photosynthesis and cellular respiration.

Select one of the following:

  • True
  • False

Explanation

Question 10 of 15

1

How does a cell use potential energy from charge differences as a result of electron transport?

Select one of the following:

  • Chemiosmosis

  • ATP

Explanation

Question 11 of 15

1

Why is cellular respiration important for exercise?

Select one of the following:

  • If you didnt have cellular respiration you wouldnt be able to exercise at all

  • ATP cannot last if you exercise longer than 90 seconds

Explanation

Question 12 of 15

1

The matrix is the innermost part of the mitochondria.

Select one of the following:

  • True
  • False

Explanation

Question 13 of 15

1

How do organisms generate energy when there is no oxygen?

Select one of the following:

  • Glycolysis alone

  • Fermentation

Explanation

Question 14 of 15

1

Stores of ATP lasts for hours.

Select one of the following:

  • True
  • False

Explanation

Question 15 of 15

1

Fermentation is bad

Select one of the following:

  • True
  • False

Explanation

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