Worksheets3rd Mid- 9 weeks EXAM Review
Total questions: 12
Worksheet time: 15mins
Name
Class
Date
1.
Eye color is determined by the genetic code. Which part of DNA is responsible for containing the code?
a)
Phosphates
b)
Nitrogenous Base
c)
Deoxyribose Sugar
d)
Hydrogen Bond
2.
How does DNA determine traits of an organism?
a)
DNA contains codes for proteins
b)
DNA separates in a single strand
c)
DNA makes energy
d)
DNA folds up in the cell
3.
What did scientists learn after taking an x-ray of DNA?
a)
How proteins are made
b)
How to see mutations
c)
How to see the DNA sequences
d)
The DNA is a double helix
4.
Translate the following DNA strand: 3'- GGGTGCTAC -5'
a)
3'- CCCACGAUG -5'
b)
5'- GGGTGCTAC -3'
c)
5'- CCCACGAUG -3'
d)
3' - CCCACGATG -5'
5.
What happens to a DNA strand when an insertion mutation occurs?
a)
Add a nitrogenous base
b)
Remove a nitrogenous base
c)
Move a nitrogenous base
d)
Damage a nitrogenous base
6.
What are the phenotype percentages for a cross between BBGg x bbgg? (B=Dimples b=No Dimples & G=Free Earlobes g=Attached Earlobes)
a)
50%-Dimples & Free Earlobes AND 50%-Dimples & Attached Earlobes
b)
50%-Dimples & Free Earlobes AND 50%-No Dimples & Attached Earlobes
c)
75%-Dimples & Free Earlobes AND 25%-Dimples & Attached Earlobes
d)
0%-Dimples & Free Earlobes AND 100%-Dimples & Attached Earlobes
7.
What is the genotypic ratio when you cross a Yellow cat and a heterozygous Purple cat? (P=purple, p=yellow)
a)
0 PP: 2 Pp: 2 pp
b)
1 PP: 2 Pp: 1 pp
c)
2 PP: 0 Pp: 2 pp
d)
2 PP: 1 Pp: 0 pp
8.
Earthworms are found all over the world and in different climates. Earthworms have been able to successfully inhabit many different types of environments because their population have been able to ___________?
a)
Are a hybrid of multiple insects
b)
adapt to a variety of food and conditions
c)
they live with mammals
d)
they live alone
9.
Plants have different methods of spreading their seeds (offspring). How does this give the plant a reproductive advantage?
a)
There is less competition for resources
b)
They will receive less sunlight
c)
It lengthens the life cycle of the parent plants
d)
Reduces their need for water
10.
Genome maps provide the DNA sequences of chromosomes. Scientists have compared a panther and a jaguar. What does the genome map allow the scientists to determine?
a)
The color patterns
b)
The size range
c)
Method of protein synthesis
d)
How closely they are related
11.
Humming birds have a beak that is 25 cm long. The flowers they feed from have a nectar tube that is 21 cm long. How is the beak size an adaptation for its environment?
a)
So it can avoid other animals
b)
So it can pollinate different flowers
c)
So there is little competition for food
d)
So they can feed at night time
12.
All the animals to the right of the ray-finned fish would have the common characteristic of---
a)
Eggs with shell
b)
Hair
c)
Four limbs
d)
Beak
100 %
