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Genetics Unit: DNA Structure and Replication Quiz

Genetics Unit: DNA Structure and Replication Quiz

Assessment

Interactive Video

Biology

9th - 10th Grade

Practice Problem

Hard

Created by

Nancy Jackson

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the building blocks of nucleic acids?

Fatty acids

Amino acids

Monosaccharides

Nucleotides

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which component of a nucleotide is unique to each type?

Hydrogen bond

Nitrogenous base

Sugar

Phosphate group

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the shape of DNA as described in the double helix model?

Single strand

Triple helix

Circular strand

Double helix

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In DNA, which base pairs with adenine?

Thymine

Cytosine

Guanine

Uracil

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does RNA differ from DNA in terms of structure?

RNA contains thymine

RNA is a single strand

RNA has a deoxyribose sugar

RNA is a double helix

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which nitrogen base is found in RNA but not in DNA?

Cytosine

Thymine

Adenine

Uracil

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the total number of chromosomes in human body cells?

23

37

46

74

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