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Science Final Exam (+ NEW)

Total questions: 100

Worksheet time: 2hrs 34mins

Name
Class
Date
1.

What will the net force on the soccer ball be?

a)

50 N to the left

b)

50 N to the right

c)

200 N to the left

d)

200 N to the right

2.

What is the net force on the car?

a)

400 N forward (left)

b)

0 N (balanced forces)

c)

200 N forward (left)

d)

200 N backward (right)

3.

An object at rest stay at rest and an object in motion stays in motion until acted upon by an unbalanced force.

a)

Newton's 3rd Law

b)

Force

c)

Newton's 2nd Law

d)

Newton's 1st Law

4.
Newton's third law states that any action will have a(n) _______ and ______ reaction
a)
Equal and similar
b)
Equal and opposite reaction 
c)
Equal and different
d)
Greater and opposite
5.
What is Newtons 2nd law of motion?
a)
Pancakes 
b)
Force= Mass multiplied by  acceleration
c)
For every action there is a equal and opposite  re-action.
d)
Law of gravity 
6.

According to Newton's Second Law, if you increase the force applied to an object:

a)

It accelerates more

b)

It doesn't move

c)

It decelerates

7.
When the forces acting upon an object are UNBALANCED , the object will ____
a)
stay still
b)
move
c)
bounce
d)
fly
8.

  1. A man steps on a ladder with 750 Newtons of downward force. The ladder supports his weight with an upward force of 750 Newtons. This is an example of…

a)

  1. A fixed reference point

b)

a balanced force

c)

an unbalanced force

d)

remain stationary

9.

  1. A block kept on a frictionless horizontal surface is acted upon by a force of 100 N, as shown in the figure. What magnitude of force must be applied on the block from the opposite direction to stop its motion?

a)

50 N

b)

75 N

c)

100 N

d)

200 N

10.

  1. A block is pushed from four sides with forces of different magnitude, as shown in the picture. In which direction will the block move? 

a)

north

b)

south

c)

east

d)

west

11.

One force pushes a stationary object east about 10 Newtons, and another force pushes west at 5 Newtons. Which way will the object move?

a)

north

b)

south

c)

east

d)

west

12.
Which of the following is a phenotype?
a)
Aa
b)
red hair
c)
heterozygous
d)
DNA
13.
Dominant alleles are represented by a:
a)
Male gene
b)
lowercase letter
c)
recessive trait
d)
capital letter
14.

Which of the following correctly states the genotype probabilities for the offspring of the parents shown in this punnett square?

a)

50% heterozygous 50% homozygous dominant

b)

50% heterozygous 50% homozygous recessive

c)

50% heterozygous 25% homozygous recessive 25% homozygous dominant

d)

100% heterozygous

15.

Green peas are dominant to yellow peas what letter would we use to represent the allele for green peas.

a)

G

b)

g

16.

Green peas are dominant to yellow peas what letter would we use to represent the allele for yellow peas

a)

G

b)

g

17.

Brown fur is dominant to Gray fur.

What letter would we use for the gray allele

a)

B

b)

b

18.

Red flowers (R) are dominant to Blue flowers (r).

Cross a Heterozygous flower with a homozygous recessive flower.

Choose the correct parent cross below

a)

Rr with rr

b)

Rr with RR

c)

Rb with bb

d)

Rr with bb

19.

Aqua martians (A) are dominant to yellow martians (a).

Cross a yellow martian with a Heterozygous martian.

What are the correct parent genotypes?

a)

YY with Yy

b)

aa with Aa

c)

YY with Ay

d)

AA with Aa

20.

What genotype goes in the missing square

a)

aa

b)

Aa

c)

AA

d)

none of the above

21.

Gray fur (G) is dominant to white fur (g).

What is the probability of having the recessive genotype

a)

25%

b)

50%

c)

75%

d)

100%

22.

Gray fur is dominant to white fur what is the probability of having Gray fur

a)

25%

b)

50%

c)

75%

d)

100%

23.

Red flowers (R) are dominant to blue flowers (r).

What is the probability of having red flowers?

a)

25%

b)

50%

c)

75%

d)

1100%

24.

Which of the following genotypes is homozygous dominant?

a)

aa

b)

Aa

c)

AA

25.

Which of the following is/are an example(s) of a genotype? Select all that apply.

a)

tall

b)

purple

c)

AA

d)

wrinkled

e)

bb

26.

In pea plants, tall (T) is dominant to short (t).

If 2 heterozygous plants are crossed, what % of the offspring will be short?

a)

0%

b)

25%

c)

50%

d)

75%

27.

What is the possibility of this offspring having a dominant (D) trait?

a)
50%
b)
75%
c)
25%
d)
0%
28.
What you see, or the physical appearance.
a)
Genotype
b)
Phenotype
c)
Homozygous
d)
Heterozygous
29.

Which of the following genotypes is homozygous recessive?

a)

rr

b)

RR

c)

Rr

30.

A red flowering plant is crossed with a blue flowering plant.  The offspring are all purple.  The inheritance pattern is:

a)

codominance

b)

complete dominance (Mendelian)

c)

incomplete dominance

d)

multiple alleles

e)

polygenic inheritance

31.

A red flowering plant is crossed with a yellow flowering plant.  The offspring are all red with yellow edges.  The inheritance pattern is:

a)

codominance

b)

complete dominance (Mendelian)

c)

incomplete dominance

d)

multiple alleles

e)

polygenic inheritance

32.

Cross a man with AB blood and a woman with O blood. What are the possible phenotypes of the offspring?

a)

A or O

b)

A or B

c)

B or O

d)

A, B or O

33.

Snap dragon color is a incomplete dominant trait.  

A red flower (RR) is crossed with yellow flower (rr)?

What color are flowers that are Rr?

a)
Red
b)

Red and Yellow

c)

Yellow

d)

Orange

34.

A calico cat shows both the traits for orange fur and black fur. What kind of allele expression is this?

a)
Incomplete Dominance
b)

Codominance

c)
Independent assortment
d)
Recessive inheritance
35.
In butterfly bushes, dark purple and pink parents will produce offspring with lavender flowers. This is a result of 
a)
codominance
b)
incomplete dominance
c)
complete dominance
d)
recessive dominance
36.

In some carnations, flower color exhibits codominance. Identify the correct genotypes for red, white, and speckled carnations.

a)

Red = RR, white = rr, speckled = SS

b)

Red = RR, white = WW, speckled = SS

c)

Red = RR, white = RW, Speckled = WW

d)

Red = RR, white = WW, speckled = RW

37.

A woman is heterozygous for blood type A and a male is homozygous for blood type B.

What blood types are possible in their children?

a)

A, B, AB, and O

b)

A, B, and AB

c)

AB and B

d)

Just B

38.

Some flowers are controlled by codominance. Red flowers (RR), blue flowers (BB) and Speckled flowers (RB).


Cross two speckled flowers.

a)

1 red, 2 speckled, 1 blue

b)

2 red, 2 blue

c)

2 blue, 2 speckled

d)

1 red, 1 speckled, 2 blue

39.

Which two chromosomes do females have?

a)

XX

b)

XY

40.

Which two chromosomes do males have?

a)

XX

b)

XY

41.

H = normal h = hemophilia

Which genotype represents a female carrier of hemophilia?

a)

XH XH

b)

XH Xh

c)

Xh Xh

42.

Which allele (letter) represents an X-Linked recessive trait?

a)

XT

b)

Xt

c)

YT

d)

Yt

43.

In an X-Linked dominant trait, which of the following would NOT have the trait?

a)

XHXh

b)

XhXh

c)

XHY

d)

XHXH

44.
Which of the following genotypes belongs in the red box in the Punnett square?
a)
XBXb
b)
XbXb
c)
XbY
d)
XBY
45.
How many generations are shown in this pedigree?
a)
1
b)
2
c)
3
d)
4
46.
How many kids did the mother and father from the first generation have?
a)
2
b)
4
c)
5
d)
6
47.
This pedigree represents the inheritance of hemophilia in this family. How many of the females have the hemophilia trait?
a)
8
b)
5
c)
2
d)
3
48.

_________ reproduction involves 2 parent cells, a sperm and an egg.

a)

Sexual

b)

Asexual

49.

______ reproduction involves 1 parent organism duplicating itself (copying)

a)

Sexual

b)

Asexual

50.

Offspring are identical to the parent

a)

Sexual

b)

Asexual

51.

Offspring are not identical to the parent, but contain genes from both

a)

Sexual

b)

Asexual

52.

How many parents are required for sexual reproduction?

a)

0

b)

1

c)

2

d)

3

53.

Genetically identical offspring are _____________ the parent organism.

a)

opposite of

b)

clones of

c)

superior to

d)

inferior to

54.

Male and female reproductive cells (like sperm and egg) are known as:

a)

spores

b)

pollen

c)

gametes

d)

offspring

55.

____________________ occurs when a male gamete (sperm) combines with a female gamete (egg).

a)

sporulation

b)

fertilization

c)

fission

d)

regeneration

56.

What is an advantage of asexual reproduction?

a)

it's fast- no need to look for a mate

b)

It uses a lot of energy.

c)

There are a lot of predators to face.

57.

For which type of reproduction are offspring genetically identical to their parent?

a)

asexual

b)

sexual

c)

neither can produce identical offspring

d)

both can produce identical offspring

58.

Which is a disadvantage of asexual reproduction?

a)

populations take a long time to grow

b)

populations lack genetic diversity, making them vulnerable

c)

offspring are slow to reach sexual maturity

d)

offspring are not vulnerable to environmental changes

59.

The facts that organisms might die before they find a mate and reproduce is a(n):

a)

disadvantage of sexual reproduction

b)

disadvantage of asexual reproduction

c)

advantage of asexual reproduction

d)

advantage of sexual reproduction

60.

Which is faster Asexual or Sexual Reproduction

a)

Sexual

b)

Asexual

61.

What are the two gametes from each parent?

a)

Sperm

b)

Hair Follicles

c)

Egg

d)

Body Cells

62.

Where does an offspring in asexual reproduction get its traits

a)

Both parents

b)

One parent

c)

Nether parent

d)

Offspring

63.

What is the result of gametes uniting in sexual reproduction?

a)

A Gamete - A new organism with half the number of chromosomes

b)

A Gamete - A new organism with triple the number of chromosomes

c)

A zygote - A new organism with genetically identical traits

d)

A zygote - A new organism with genetically diverse traits

64.

How many chromosomes do human sperm and egg cells each have seperately?

a)

23

b)

46

c)

69

d)

92

65.
All of the offspring of an organism have the same genetic material, which is identical to the parent organism. From this, we can conclude that this organism -
a)
makes its own food
b)
is unicellular
c)
live in a marine habitat
d)
reproduces asexually
66.

A bat has 44 chromosomes, how many chromosomes will you find in one of his gametes?

a)

23

b)

22

c)

44

d)

88

67.

Chicken have 78 chromosomes. How many chromosomes does a male chicken gamete have?

a)

78

b)

156

c)

39

d)

23

68.

A chicken sperm and egg combine to create a zygote. Chicken have 78 chromosomes in their body cells. How many chromosomes are in the zygote?

a)

156

b)

23

c)

78

d)

39

69.

Which statement gives an example of asexual reproduction?

a)

butterflies have genetic information passed from both parents

b)

two worms mate and produce more worms that are genetically different

c)

a hydra grows a bud that falls off and becomes a new hydra

d)

An petunia flower is produced from a pollinated plant

70.

The offspring of asexual reproduction receives:

a)

genetic information from one parent

b)

genetic information from two parents

c)

genetic information from an outside source

d)

none of the above

71.

How many cells are created at the end of Mitosis?

a)
1 diploid cell
b)
2 diploid cells
c)
3 diploid cells
d)
4 diploid cells
72.

In which type of cells will mitosis occur?

a)
egg cells
b)
sperm cells
c)
jail cells
d)
Body cells except the sperm and egg cells
73.

The cells produced via meiosis are called:

a)
sex cells (gametes)
b)
somatic cells
c)
body cells
d)
skin cells
74.
Which of the following cells is a gamete?
a)
egg
b)
bone
c)
heart
d)
muscle
75.
The process on the left is:
The process on the right is:
a)
Left: meiosis
Right: meiosis
b)
Left: meiosis
Right: cloning
c)
Left: mitosis
Right: meiosis
d)
Left: mitosis
Right: mitosis
76.

The 2 daughter cells at the end of Mitosis have how many chromosomes compared to the original?

a)
Half 
b)
Same 
c)
One-Third 
d)
None 
77.

After meiosis is complete how many cells will there be?

a)
1
b)
2
c)
3
d)
4
78.

Goats have 60 chromosomes in their cells. A cell in a goat undergoes meiosis in the reproductive organs. How many chromosomes will be present in these new daughter cells?

a)

30 chromosomes.

b)

60 chromosomes.

c)

90 chromosomes.

d)

120 chromosomes.

79.

How many times do the cells divide in Meiosis?

a)

Only once.

b)

Twice.

c)

Three times.

d)

Four times.

80.

Fruit fly body cells have 8 chromosomes.

After mitosis, you would expect a resulting fruit fly daughter cell to have....

a)
16 chromosomes.
b)
46 chromosomes.
c)
8 chromosomes.
d)
4 chromosomes.
81.

Type of cell reproduction that produces identical body cells.

a)

Mitosis

b)

Meiosis

82.

Type of cell reproduction that produces genetically different gametes (sex cells).

a)

Mitosis

b)

Meiosis

83.

Type of cell reproduction in which crossing over occurs (which results in genetic diversity between the daughter cells)?

a)

Mitosis

b)

Meiosis

c)

Both Mitosis and Meiosis

84.

Mitosis is a type of ________________ reproduction.

a)
Sexual
b)
Asexual
85.

Mitosis produces ____________ daughter cells, and Meiosis produces _____________ daughter cells.

a)

2 genetically distinct, 4 genetically identical

b)

2 genetically identical, 4 genetically distinct

c)

4 genetically distinct, 2 genetically identical

d)

4 genetically identical, 2 genetically distinct

86.

Human body cells have 46 chromosomes. How many chromosomes are there in human sex cells?

a)

23

b)

46

c)

92

87.

Meiosis results in ------------ While Mitosis resuls in ---------

a)

(A) 2 haploid daughter cells and 2 haploid daughter cells

b)

(B) 4 haploid daughter cells and 2 diploid daughter cells

c)

(C) 2 diploid daughter cells and 4 haploid daughter cells

d)

(D) 4 diploid daugther cells and 2 haloid daughter cells

88.

Has one set of chromosomes (half)

a)

Haploid

b)

Diploid

c)

Body cells

d)

None of the above

89.

Has two set of chromosomes - one from mom, one from dad (full)

a)

Haploid

b)

Diploid

c)

Body cells

d)

None of the above

90.

If parent cell is 32N, what is the ploidy of the haploid daughter cell?

a)

32N

b)

16N

c)

0N

d)

18N

91.

How many stages are in mitosis?

a)
1
b)
2
c)
3
d)
4
92.

Daughter cells identical to each other

a)

mitosis

b)

meiosis

c)

both

93.

Produces cells with half the number of chromosomes as the parent cell

a)

mitosis

b)

meiosis

c)

both

94.

Produces four new cells

a)

mitosis

b)

meiosis

c)

both

95.

Produces two new cells

a)

mitosis

b)

meiosis

c)

both

96.

What is the importance of Mitosis?

a)

It helps in sexual reproduction.

b)

It is important for growth and repair of tissues.

c)

It reduces the chromosome number by half.

d)

It increases genetic diversity.

97.

Why is Meiosis important for sexual reproduction?

a)

It produces genetically identical cells.

b)

It increases the number of chromosomes in the gametes.

c)

It ensures genetic diversity among offspring.

d)

It produces cells for growth and repair.

98.

Put the stages of mitosis in the correct order.

a)
prophase - metaphase - anaphase - telophase
b)
metaphase - anaphase - prophase - telophase
c)
anaphase - prophase - telophase - metaphase
d)
telophase - metaphase - prophase - anaphase
99.
Which process and type of resulting cells are represented?
a)
mitosis, gametes
b)
mitosis, body cells
c)
meiosis, gametes
d)
meiosis, body cells
100.
This picture shows which process? 
a)
mitosis
b)
meiosis
c)
the cell cycle

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