wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

DNA & Genetics

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

The passing down of physical characteristics or traits from parents to offspring through sexual reproduction.

a)

Heredity

b)

Genetics

c)

DNA

d)

Genes

e)

Nucleotides

2.

The branch of biology that deals with heredity and differences in organisms determined by DNA.

a)

Heredity

b)

Genetics

c)

DNA

d)

Genes

e)

Nucleotides

3.

The genetic information, found in the nucleus of a cell, that serves as the blue prints for everything a cell is and does.

a)

Heredity

b)

Genetics

c)

DNA

d)

Genes

e)

Nucleotides

4.

Sections of DNA that serve as the recipe for a specific trait. Usually represented as stripes or bands on chromosomes.

a)

Heredity

b)

Genetics

c)

DNA

d)

Genes

e)

Nucleotides

5.

The blocks that make up DNA. Each block is made up of a sugar, a phospate, and one of four nitrogen bases.

a)

Heredity

b)

Genetics

c)

DNA

d)

Genes

e)

Nucleotides

6.

What do we call the specific characteristics of an organism such as hair color, eye color, height, weight, etc?

a)

Traits

b)

Attributes

c)

Features

d)

Qualities

e)

Virtues

7.

The shape of DNA is known as a

a)

Double Helix

b)

Double Axel

c)

Double Arch

d)

Double Pyramid

e)

Double Hexagon

8.

Thymine, Adenine, Cytosine, and Guanine are examples of

a)

Nitrogen Bases

b)

Phosphates

c)

Nucleotides

d)

Pentose Sugars

9.

Adenine will only bond with

a)

Adenine

b)

Thymine

c)

Guanine

d)

Cytosine

10.

Thymine will only bond with

a)

Adenine

b)

Thymine

c)

Guanine

d)

Cytosine

11.

Guanine will only bond with

a)

Adenine

b)

Thymine

c)

Guanine

d)

Cytosine

12.

Cytosine will only bond with

a)

Adenine

b)

Thymine

c)

Guanine

d)

Cytosine

13.

A mistake in DNA replication is known as a

a)

Mutation

b)

Free Nucleotide

c)

Chromatid

d)

Antiparallel DNA Strand

e)

Gene Revocation

14.

Most Mutations are

a)

Harmful to the Organism

b)

Helpful to the Organism

15.

In a rare instance when a genetic mutation happens to be helpful to the organism, the new trait would be an example of a(n)

a)

Adaptation

b)

Modification

c)

Remodel

d)

Conversion

e)

Accommodation

16.

DNA stands for

a)

Deoxyribonucleic Acid

b)

Denitrogenous Acid

c)

Deribonucleic Acid

d)

Duteriousnucleic Acid

e)

Dirigiblenucleic Acid

17.

Why is DNA important?

a)

It serves as the blueprint for the traits of all living things

b)

It is a major energy source in the human body

c)

It helps to dissolve complex materials in living things

d)

It can be extracted and used to increase oxygen levels

18.

DNA is found in the

a)

Cell Membrane

b)

Vacuoles

c)

Ribosomes

d)

Golgi Apparatus

e)

Nucleus

19.

Which two scientists are accredited with correctly deducing the double helix model of DNA?

a)

Watson & Crick

b)

Wilkins & Crick

c)

Wilkins & Franklin

d)

Watson & Franklin

20.

What determines the code that a DNA molecule contains?

a)

The Shape of the Nitrogen Bases

b)

The Order of the Nitrogen Bases

c)

The Color of the Nitrogen Bases

d)

The Number of Nitrogen Bases