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Galaxy Exploration

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Questions and Answers

What is the primary force that binds the components of a galaxy together?

Weak nuclear force

Strong nuclear force

Gravity (correct)

Electromagnetic force

What is the origin of the word 'galaxy'?

Arabic origin

Greek origin (correct)

Latin origin

Sanskrit origin

What is the estimated average number of stars in a galaxy?

100 million (correct)

1 trillion

1 million

1 billion

In what form does most of the mass in a typical galaxy exist?

Dark matter Signup and view all the answers

What are the primary visual morphology categories in which galaxies are classified?

Spiral, elliptical, irregular Signup and view all the answers

Who is considered the first to study genetics scientifically?

Gregor Mendel Signup and view all the answers

What did Gregor Mendel study in genetics?

Patterns of trait inheritance Signup and view all the answers

What is the primary focus of genetics in the 21st century?

Gene structure and function Signup and view all the answers

What term did Gregor Mendel use to describe what is now referred to as a gene?

Discrete units of inheritance Signup and view all the answers

Why is heredity considered vital to organisms' evolution?

It is essential for passing on genetic information Signup and view all the answers