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Biology: The Study of Life

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Questions and Answers

What is the unifying theme in biology that explains the unity and diversity of life?

Cell structure

Evolution (correct)

Regulation of internal environments

Energy processing

Which component of cells processes hereditary information encoded in genes?

Mitochondria

Nucleus (correct)

Cytoplasm

Cell membrane

What allows organisms to move, grow, and reproduce?

Photosynthesis

Cell division

Cellular respiration (correct)

Evolution

At what levels of organization can biologists study life?

Multiple levels from molecular biology to evolution of populations Signup and view all the answers

How do biologists make observations, pose questions, and form conclusions about the world around them?

Using the scientific method Signup and view all the answers

What is percentage?

A way to express a value out of 100 Signup and view all the answers

How is percentage visually represented?

By coloring a certain number of boxes out of 100 Signup and view all the answers

What is 1% visually represented as?

Coloring 1 box out of 100 Signup and view all the answers

In terms of percentage, if a student scores 90 marks out of 100 in mathematics, what is it expressed as?

90% Signup and view all the answers

How is fraction converted into a percentage?

Multiply by 100 Signup and view all the answers

What does percentage mean?

Per 100 Signup and view all the answers

How is one percent visually represented?

Coloring 1 box out of 100 Signup and view all the answers

What is the fraction equivalent of 25 percent?

25/100 Signup and view all the answers

If a student scores 70 marks out of 100 in science, what is it expressed as in terms of percentage?

70% Signup and view all the answers

How is percentage converted into a fraction?

Divide by the denominator Signup and view all the answers