Search Header Logo

Bio B Practice T1 23-24

Authored by Jeffrey Heisler

Science

12th Grade

Used 2+ times

Bio B Practice T1 23-24
AI

AI Actions

Add similar questions

Adjust reading levels

Convert to real-world scenario

Translate activity

More...

    Content View

    Student View

47 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is the correct order for the scientific method?

Option 1

Option 2

Option 3

Option 4

Answer explanation

The correct order for the scientific method is Option 3. It involves making observations, forming a hypothesis, conducting experiments, analyzing data, and drawing conclusions.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why do scientists use the scientific method?

It doesn't really work, they just do it out of habit.

Because it is often the easiest way to do an experiment.

To earn more money.

To learn the truth about something in nature.

Answer explanation

Scientists use the scientific method to learn the truth about something in nature.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the difference between a hypothesis and a theory?

A hypothesis is a well-supported explanation, and a theory is a guess we can test.

A hypothesis is a prediction that needs checking, and a theory is a fact that's not yet proven.

A hypothesis is a guess we can test, and a theory is a well-supported explanation for observations.

A hypothesis is an idea we've proven correct, and a theory is a question we're still investigating.

Answer explanation

A hypothesis is a testable guess, while a theory is a well-supported explanation for observations.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

They discovered the structure of the DNA molecule.

Watson and Crick

Abbot and Costello

Martin and Lewis

Astaire and Rogers

Answer explanation

Watson and Crick discovered the structure of the DNA molecule.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Her famous Photo-51 helped scientist realize DNA was a helix (spiral).

Mary Leaky

Henrietta Lacks

Rosalind Franklin

Marie Currie

Answer explanation

Rosalind Franklin's famous Photo-51 confirmed DNA's helical structure, revolutionizing our understanding of genetics.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A twisted ladder type spiral shape.

Conchospiral

Helix

Double Helix

Triple Helix

Answer explanation

The correct choice is Double Helix. It refers to a twisted ladder type spiral shape.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

DNA uses 4 of these, abbreviated A, T, G, C.

Nitrogen Base

Carbon Compounds

Phosphates

Ribose Sugars

Answer explanation

DNA uses four nitrogen bases: adenine (A), thymine (T), guanine (G), and cytosine (C). These bases form the genetic code and determine the characteristics of living organisms.

Access all questions and much more by creating a free account

Create resources

Host any resource

Get auto-graded reports

Google

Continue with Google

Email

Continue with Email

Classlink

Continue with Classlink

Clever

Continue with Clever

or continue with

Microsoft

Microsoft

Apple

Apple

Others

Others

Already have an account?