Autotrophs & Metabolism Quiz

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Autotrophs & metabolism basics

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Samah

United Arab Emirates

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Autotrophs & Metabolism QuizOnline version Autotrophs & metabolism basics by Samah 1 1. Which statement best describes a photoautotroph? a C. Uses heat energy to make food b A. Obtains organic matter by eating other organisms c D. Obtains energy only from water d B. Uses light energy to produce organic molecules 2 2. Which organism is most likely a heterotroph? a A. Green plant b B. Algae c C. Human d D. Photosynthetic microorganism 3 3. An organism lives deep in the ocean where there is no sunlight. It uses energy from inorganic chemicals. What is it? a B. Photoautotroph b C. Chemoautotroph c A. Heterotroph d D. Consumer 4 4. What is the main difference between photoautotrophs and chemoautotrophs? a D. Only one carries out chemical reactions b B. One is living and one is nonliving c C. Only one needs matter d A. Their energy source 5 5. Which statement about heterotrophs is correct? a D. They do not require energy. b A. They use sunlight directly as their energy source. c B. They obtain organic matter from other organisms. d C. They use only inorganic chemicals for energy. 6 6. What is metabolism? a D. Movement of organisms b C. The integrated network of chemical reactions in an organism c B. Digestion of food d A. Only reactions that release energy 7 7. Which of these depends on metabolism? a C. Maintaining homeostasis b A. Growth c D. All of the above d B. Repair 8 8. Which model best represents the relationship between metabolism and life processes? a D. Energy → no chemical reactions → growth b C. Homeostasis → sunlight → matter c A. Energy + matter → metabolic reactions → growth, repair and homeostasis d B. Growth → matter → no chemical reactions 9 9. Scientists discover a microorganism in a dark cave. It does not consume other organisms and obtains energy by oxidizing inorganic substances. Which conclusion is best supported by the evidence? a D. It is most likely a heterotroph. b C. It cannot survive without sunlight. c A. It must be a photoautotroph. d B. It is most likely a chemoautotroph.

Autotrophs & Metabolism QuizOnline version

Autotrophs & metabolism basics

by Samah

1. Which statement best describes a photoautotroph?

C. Uses heat energy to make food

A. Obtains organic matter by eating other organisms

D. Obtains energy only from water

B. Uses light energy to produce organic molecules

2. Which organism is most likely a heterotroph?

A. Green plant

B. Algae

C. Human

D. Photosynthetic microorganism

3. An organism lives deep in the ocean where there is no sunlight. It uses energy from inorganic chemicals. What is it?

B. Photoautotroph

C. Chemoautotroph

A. Heterotroph

D. Consumer

4. What is the main difference between photoautotrophs and chemoautotrophs?

D. Only one carries out chemical reactions

B. One is living and one is nonliving

C. Only one needs matter

A. Their energy source

5. Which statement about heterotrophs is correct?

D. They do not require energy.

A. They use sunlight directly as their energy source.

B. They obtain organic matter from other organisms.

C. They use only inorganic chemicals for energy.

6. What is metabolism?

D. Movement of organisms

C. The integrated network of chemical reactions in an organism

B. Digestion of food

A. Only reactions that release energy

7. Which of these depends on metabolism?

C. Maintaining homeostasis

A. Growth

D. All of the above

B. Repair

8. Which model best represents the relationship between metabolism and life processes?

D. Energy → no chemical reactions → growth

C. Homeostasis → sunlight → matter

A. Energy + matter → metabolic reactions → growth, repair and homeostasis

B. Growth → matter → no chemical reactions

9. Scientists discover a microorganism in a dark cave. It does not consume other organisms and obtains energy by oxidizing inorganic substances. Which conclusion is best supported by the evidence?

D. It is most likely a heterotroph.

C. It cannot survive without sunlight.

A. It must be a photoautotroph.

B. It is most likely a chemoautotroph.

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Autotrophs & Metabolism Quiz

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About this activity

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Autotrophs & Metabolism QuizOnline version

by Samah

1. Which statement best describes a photoautotroph?

2. Which organism is most likely a heterotroph?

3. An organism lives deep in the ocean where there is no sunlight. It uses energy from inorganic chemicals. What is it?

4. What is the main difference between photoautotrophs and chemoautotrophs?

5. Which statement about heterotrophs is correct?

6. What is metabolism?

7. Which of these depends on metabolism?

8. Which model best represents the relationship between metabolism and life processes?

9. Scientists discover a microorganism in a dark cave. It does not consume other organisms and obtains energy by oxidizing inorganic substances. Which conclusion is best supported by the evidence?