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7th grade - BJU Life Science ch 5

Total questions: 65

Worksheet time: 51mins

Name
Class
Date
1.

Which picture represents a chromosome?

a)
b)
c)
d)
2.

Describe the relationship between a gene and a chromosome.

a)

A gene is a section of DNA and a chromosome is just a long strand of DNA.

b)

A chromosome does not contain genes, it contains DNA.

c)

A gene is a smaller version of a chromosome.

d)

They are not related.

3.
A human has 46 chromosomes in their body cells.  What is the haploid number?
a)
46
b)
92
c)
23
d)
12
4.
Mitosis produces cells with haploid or diploid number of chromosomes?
a)
Haploid
b)
Diploid
5.
Meiosis produces cells with a haploid or diploid number of chromosomes?
a)
Haploid
b)
Diploid
6.
Body cells have diploid or haploid number of chromosomes?
a)
Haploid
b)
Diploid
7.
Gametes have haploid or diploid number of chromosomes?
a)
Haploid
b)
Diploid
8.
How many cells are produced in Mitosis?
a)
1
b)
2
c)
3
d)
4
9.
In which phase do chromosomes move away to opposite sides of the cell?
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Telophase
10.
What type of cells are produced in meiosis?
a)
Body Cells
b)
Gametes
c)
Hair cells
d)
Liver cells
11.
How many cells are produced in meiosis?
a)
1
b)
2
c)
3
d)
4
12.
Before cells can divide, what must be copied?
a)
mitochondria
b)
cytoplasm
c)
DNA
d)
Cell Wall
13.
The cell spends most of it's life in ________________.
a)
mitosis
b)
cytokinesis
c)
Interphase
d)
None of the above
14.
During which phase of mitosis do sister chromatids separate from each other
a)
Prophase
b)
metaphase
c)
anaphase
d)
telophase
15.
The chromosomes line up across the middle of the cell
a)
Anaphase
b)
Interphase
c)
Prophase
d)
Methaphase
16.
What phase of mitosis?
a)
prophase
b)
metaphase
c)
anaphase
d)
telophase
17.
What phase of mitosis?
a)
prophase
b)
metaphase
c)
anaphase
d)
telophase
18.
What phase of mitosis?
a)
prophase
b)
metaphase
c)
anaphase
d)
telophase
19.

budding is a form of asexual reproduction where new individuals split off from the existing one

a)

True

b)

False

20.

fertilized egg

a)

Hereditary

b)

Genes

c)

Mitosis

d)

idk

e)

Zygote

21.

Reproduction that requires two parents and creates offspring genetically different from parents

a)

Sexual reproduction

b)

Asexual reproduction

c)

Apoptosis

22.
In asexual reproduction, all of the offspring are:
a)
Physically Identical
b)
Genetically Identical
c)
Physically and Genetically Identical
d)
Not Identical
23.
Which of the following units are repeatedly joined together to form a strand of DNA?
a)
amino acids
b)
nucleotides
c)
fatty acids
d)
polysaccharides
24.
Which of the following bases is NOT found in RNA?
a)
Thymine
b)
Adenine
c)
Guanine
d)
Cytosine
25.
Adenine bonds with ______________.
a)
Guanine
b)
Thymine
c)
Cytosine
d)
Adenine
26.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
27.
I am a single strand.
a)
DNA
b)
RNA
28.
I include the bases Guanine, Cytosine, Adenine and Thymine.
a)
DNA
b)
RNA
29.
I travel outside of the nucleus.
a)
DNA
b)
RNA
30.
The process to go from DNA to mRNA is _______
a)
translation
b)
transcription
c)
replication
31.
DNA holds the code for
a)
lipids
b)
carbohydrates
c)
protein
d)
sugar
32.
Choose the nucleotide sequence of the RNA strand that would be complementary to the following strand: 
GTAGTCA
a)
UATUAGA
b)
ACGACTG
c)
CAUCAGU
d)
CATCAGT
33.
In DNA, Adenine pairs with ___________. 
a)
Guanine
b)
Cytosine
c)
Thymine
d)
Uracil
34.
Does the order of amino acids in a protein matter?
a)
YES!
b)
NO!
35.
How many amino acids are coded for by this sequence of nucleotides:
ATG GGA ACT CCA
a)
4
b)
2
c)
6
d)
12
36.

The shape of a DNA molecule was first described by Watson and Crick to be a

a)

double helix

b)

loop-de-loop

c)

spiral shell

d)

trapeze swing

37.

Which of the following is not a part of a nucleotide?

a)

a base

b)

a gene

c)

a phosphate

d)

a sugar

38.

What base forms a base pair with guanine in DNA?

a)

adenine

b)

cytosine

c)

thymine

d)

uracil

39.

Which RNA is produced during TranSCRIPtion?

a)

mRNA (messenger)

b)

pRNA (protein)

c)

rRNA (ribosomal)

d)

tRNA (transfer)

40.

RNA uses ___ instead of thymine

a)

adenine

b)

cytosine

c)

guanine

d)

uracil

41.

The process of duplicating the DNA molecule is

a)

replication

b)

transcription

c)

translation

d)

transliteration

42.

The process that cells use to make RNA copies of a gene is

a)

replication

b)

transcription

c)

translation

43.

Transcription is the process of duplicating the DNA molecule

a)

True

b)

False

44.

Replication is the process of duplicating the DNA molecule

a)

True

b)

False

45.

DNA is able to store information and build cellular structures itself.

a)

True

b)

False

46.

Transfer RNA (tRNA) is responsible for carrying amino acids to the ribosome.

a)

True

b)

False

47.

The process of forming RNA from DNA is called transcription

a)

True

b)

False

48.

Engineered Systems do not appear to be

a)

planned

b)

designed

c)

built to work together

d)

random chance

49.

The complex structure of DNA is evidence for a powerful Creator.

a)

True

b)

False

50.

Engineered systems in our body point to evidence of a Creator

a)

True

b)

False

51.

RNA differs from DNA in which ways? (Check all that apply.)

a)

RNA has only a since strand of nucleotides

b)

RNA contains the sugar ribose instead of deoxyribose

c)

RNA contains uracil in place of thiamine

d)

RNA is a nucleic acid

52.

DNA differs from RNA in which ways?

a)

DNA has a double helix of nucleotides

b)

DNA contains deoxyribose instead of ribose for the sugar.

c)

DNA contains thymine instead of uracil

d)

DNA is a nucleic acid.

53.

There are __ different kinds of bases in DNA

a)

2

b)

3

c)

4

d)

5

54.

A group of 3 nucleotides form a(n) ______, these are the "words" of the DNA or RNA molecule.

a)

codon

b)

anticodon

c)

codex

d)

anticodex

55.

Name the 4 bases found in a DNA nucleotide.

a)

adenine

b)

uracil

c)

guanine

d)

thymine

e)

cytosine

56.

Name the 4 bases found in an RNA nucleotide.

a)

adenine

b)

uracil

c)

guanine

d)

thymine

e)

cytosine

57.

A way RNA and DNA are different. (Choose 2)

a)

RNA has the sugar ribose

b)

DNA has the sugar ribose

c)

RNA has the sugar deoxyribose

d)

DNA has the sugar deoxyribose

58.

A way RNA and DNA are different. (Choose 2)

a)

RNA has the base uracil

b)

DNA has the base uracil

c)

RNA has the base thymine

d)

DNA has the base thymine

59.

A way RNA and DNA are different. (Choose 2)

a)

RNA has a single strand of nucleotides

b)

DNA has a single strand of nucleotides

c)

RNA has a double helix

d)

DNA has a double helix

60.

DNA and RNA are the SAME because they both

a)

are nucleic acids

b)

are made of the same sugar

c)

are the same shape

d)

have the same 4 base

61.

In a DNA molecule with, what mRNA would it pair with if it was:

adenine-cytosine-guanine-adenine-thymine

a)

thymine-guanine-cytosine-thymine-adenine

b)

uracil-guanine-cytosine-uracile-cytosine

c)

uracil-guanine-cytosine-uracil-adenine

62.

How do tRNA molecules know how to line up their amino acids in the correct order at the mRNA strand.

a)

Codons on the mRNA match with Anticodons on the tRNA

b)

Codons on the tRNA match with anticodons on the mRNA

c)

Amino acids on the tRNA match with the anti-amino acids on the mRNA

63.

What happens first in transcription ?

a)

The mRNA leave the nucleus.

b)

An enzyme unzips part fo the DNA molecule

c)

An enzyme adds nucleotides to form the new mRNA

d)

An enzyme reads the order of the nucleotides in the DNA

64.

What happens second in transcription ?

a)

The mRNA leave the nucleus.

b)

An enzyme unzips part fo the DNA molecule

c)

An enzyme adds nucleotides to form the new mRNA

d)

An enzyme reads the order of the nucleotides in the DNA

65.

What happens third in transcription ?

a)

The mRNA leave the nucleus.

b)

An enzyme unzips part fo the DNA molecule

c)

An enzyme adds nucleotides to form the new mRNA

d)

An enzyme reads the order of the nucleotides in the DNA

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