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Quiz on 4.1 Practice Questions, created by sealescience on 07/01/2015.

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4.1 Practice Questions

Question 1 of 9

1

Cells require energy in order to...

Select one or more of the following:

  • change their shape.

  • make new cell components.

  • eliminate waste material

  • reproduce

Explanation

Question 2 of 9

1

ATP...

Select one or more of the following:

  • contains three phosphates

  • contains two phosphates

  • is like a fully charged battery

  • is the body's main currency of energy

Explanation

Question 3 of 9

1

ADP...

Select one or more of the following:

  • contains 3 phosphates

  • contains 2 phosphates

  • is a product of ATP hydrolysis

  • is like a used battery

Explanation

Question 4 of 9

1

The sun is considered the ultimate source of energy for life on Earth
because

Select one or more of the following:

  • all organisms carry out photosynthesis

  • all organisms carry out cellular respiration

  • either photosynthetic organisms or organisms that have eaten them provide energy for most organisms on earth

  • the sun heats the Earth's atmosphere

Explanation

Question 5 of 9

1

The process of cellular respiration...

Select one or more of the following:

  • is only performed by organisms that are incapable of photosynthesis

  • breaks down food molecules to release stored energy

  • occurs only in animals

  • occurs in BOTH plant and animals

Explanation

Question 6 of 9

1

When cells break down food molecules, energy...

Select one or more of the following:

  • is released all at once

  • is NOT converted into body heat and released

  • is temporarily stored in ATP molecules

  • causes excitation of electrons in chlorophyl molecules

Explanation

Question 7 of 9

1

What is an organism that uses energy from the sun to make organic compounds?

Select one or more of the following:

  • autotroph

  • heterotroph

  • photosynthesis

  • cellular respiration

Explanation

Question 8 of 9

1

Which of the following organisms are autotrophic?

Select one or more of the following:

  • grass

  • owls

  • ants

  • sunflowers

Explanation

Question 9 of 9

1

Which of the following organisms are heterotrophic?

Select one or more of the following:

  • owls

  • sunflowers

  • ants

  • grass

Explanation

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