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Biology Quiz on Cell Functions and Ecology

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Biology Quiz on Cell Functions and Ecology

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Questions and Answers

What is the primary function of mitochondria in a cell?

Energy production (correct)

DNA replication

Photosynthesis

Protein synthesis

Where does glycolysis occur in a cell?

Nucleus

Mitochondria

Cytoplasm (correct)

Chloroplast

What does the term autotroph mean?

Organism that decomposes dead matter

Organism that relies on chemical energy

Organism that consumes other organisms for energy

Organism that produces its own food (correct)

What is the role of helicase in DNA replication?

Unzip the DNA strands Signup and view all the answers

Which of the following organisms is classified as a tertiary consumer?

Wolf Signup and view all the answers

Which statement about the energy flow in an ecosystem is accurate?

Energy flows from the sun to plants to consumers Signup and view all the answers

What are the base-pairing rules for DNA?

A-T, C-G Signup and view all the answers

What type of consumer eats primarily producers?

Primary consumer Signup and view all the answers

What is the purpose of a hypothesis in scientific research?

To propose an answer to a scientific question Signup and view all the answers

Which of the following is NOT one of the four main categories of carbon-based molecules?

Enzymes Signup and view all the answers

What is the primary gas that photosynthesis removes from the atmosphere?

Carbon Dioxide Signup and view all the answers

In the context of ecology, what best defines a biome?

A geographic area with similar climate and plant life Signup and view all the answers

Which of the following processes describes nitrogen fixation?

Conversion of nitrogen gas to ammonia Signup and view all the answers

What type of factor is population density considered in ecology?

Density-dependent factor Signup and view all the answers

Which of the following statements accurately describes secondary succession?

It occurs after a major disturbance Signup and view all the answers

What role do plants, algae, and bacteria play in an ecosystem?

They provide energy basis Signup and view all the answers