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Q2 Life Science Review

Total questions: 50

Worksheet time: 34mins

Name
Class
Date
1.

What stores genetic info?

a)

DNA

b)

cytoplasm

c)

membrane

d)

cell wall

2.

Potatoes reproduce by growing sprouts on their surfaces as shown.When planted, these sprouts grow into new plants. This is an example of

a)

seed production.

b)

fertilization.

c)

pollination.

d)

asexual reproduction.

3.

Which of the following is composed of many cells?

a)

virus

b)

protist

c)

bacteria

d)

plant

4.

A researcher examines a marine organism that is the size of an average human hand. Without more information, which statement about the organism is MOST likely accurate?

a)

It has organ systems.

b)

It is mobile

c)

It is made of many cells.

d)

It makes its own food.

5.

Species are classified based on their characteristics. Which characteristic identifies two organisms as members of one species? The organisms

a)

can produce fertile offspring.

b)

can communicate easily.

c)

will defend their territory.

d)

will move from place to place.

6.

Look at the table showing parts of a cell.

a)

a plant cell

b)

an animal cell

c)

a eukaryotic cell

d)

a prokaryotic cell

7.

Which of these cell types has DNA that is NOT bound in a nuclear membrane?

a)

a plant cell

b)

an animal cell

c)

a protist cell

d)

a prokaryote cell

8.

Organisms that are classified as multicellular must have

a)

only one cell.

b)

large cells.

c)

more than one cell.

d)

identical cells.

9.

Use the dichotomous key to identify the following organism: A student found a small unfamiliar animal. It had small ears and its tail had hair on it. The tail was 19 mm long.

a)

deer mouse

b)

prairie vole

c)

white-footed mouse

d)

woodland vole

10.

Which is the result of mitosis?

a)

two identical daughter cells

b)

four identical daughter cells

c)

a decrease in genes

d)

a new protein

11.

Organisms are classified in three domains:

1. Archaea 2. Bacteria   3. Eukarya

Organisms that live in extremely hot or acidic environments belong to which domain?

a)

1 only: Archaea

b)

2 only: Bacteria

c)

1 and 2 only: Archea & Bacteria

d)

1, 2, and 3.: Archaea, bacteria, and Eukarya

12.

Which word is the best title for this diagram?

a)

Phyla

b)

Classes

c)

Domains

d)

Families

13.

A paramecium is an example of

a)

single-celled organism.

b)

multiple organisms.

c)

an inorganic substance.

d)

a group of cells.

14.

A human body cell has 46 chromosomes. Which diagram represents mitosis in a human body cell?

a)

b)

c)

d)

15.

This diagram illustrates a type of reproductive process in an organism. Based on this information, what conclusion about the offspring is supported?

a)

It has acquired traits in response to its environment.

b)

It has a lower mass of genetic material than offspring B.

c)

It has the same genetic material as its parent.

d)

It has half as much genetic material as its parent.

16.

Which process is shown in the plant cell below?

a)

growth

b)

reproduction

c)

metamorphosis

d)

photosynthesis

17.

Select all that belong to domain Eukarya

a)

Animals

b)

Plants

c)

Bacteria

d)

Archaea

18.

Select all the types of cells with DNA in a nuclear membrane

a)

Animal Cell

b)

plant cell

c)

Prokaryotic cell

d)

protist cell

19.
From the table, which two animals are MOST CLOSELY related
a)
House Cate and Red Fox
b)
Red Fox and Dog
c)
Dog and Wolf
d)
Wolf and Gopher
20.

Select all that belong to domain Eukarya

a)
b)

c)

d)

21.
a)

A

b)

B

c)

C

d)

D

22.

What process is shown in the diagram?

a)

meiosis

b)

mitosis

c)

respiration

d)

mutation

23.

Identify leaf F

a)

Cydonia

b)

Magnolia

c)

Aesculus

d)

Fraxinus

e)

Ilex

24.
An illustration and a dichotomous key are given. What is the correct classification for this organism?
a)
Class Insecta
b)
Order Amblygygi
c)
Order Araneae
d)
Order Scorpiones
25.

Which pair of animals is most closely related?

a)

lion and swift fox

b)

dog and robin

c)

lion and robin

d)

swift fox and dog

26.

What is the correct order, from smallest to largest?

a)

organism, organ system, organ, tissue, cell

b)

tissue, cell, organ, organism, organ system

c)

cell, tissue, organ, organ system, organism

d)

organ, tissue, cell, organ system, organism

27.

Forms body cells

a)

Mitosis

b)

Meiosis

28.

Forms four cells

a)

Mitosis

b)

Meiosis

29.

Forms gametes

a)

Mitosis

b)

Meiosis

30.

Forms genetically non-identical cells

a)

Mitosis

b)

Meiosis

31.

Forms two cells

a)

Mitosis

b)

Meiosis

32.

Forms genetically identical cells

a)

Mitosis

b)

Meiosis

33.

Forms genetically non-identical cells

a)

Mitosis

b)

Meiosis

34.

Has two cell divisions

a)

Mitosis

b)

Meiosis

35.

Forms four cells

a)

Mitosis

b)

Meiosis

36.

Forms two cells

a)

Mitosis

b)

Meiosis

37.

Forms genetically non-identical cells

a)

Mitosis

b)

Meiosis

38.

Forms genetically identical cells

a)

Mitosis

b)

Meiosis

39.
B = brown fur  b = white fur
In the punnett square, what is the probability for white fur? 
a)
0%
b)
25%
c)
50%
d)
75%
40.
What is the probability of heterozygous offspring?
a)
25%
b)
50%
c)
0%
d)
100%
41.
In plants, tall (T) is dominant to short (t). Perform the following cross: Tt x Tt. What is the probability of producing a short plant?
a)
0%
b)
25%
c)
50%
d)
75%
42.

Which of the following allele pairs is heterozygous?

a)

RR

b)

Qq

c)

ss

43.

Which of the following allele pairs is homozygous recessive?

a)

RR

b)

Rr

c)

rr

44.
Aa, DD, bB, yy are all examples of
a)
genotypes
b)
phenotypes
45.
What you see, or the physical appearance.
a)
Genotype
b)
Phenotype
c)
Homozygous
d)
Heterozygous
46.

In a heterozygous genotype, the ___________ allele takes over the recessive allele

a)

recessive

b)

dominant

c)

lower case letter

d)

both 

47.

The genotype AA is called . . .

a)

Homozygous recessive

b)

Hybrid or Heterozygous

c)

Purebred or Homozygous

d)

Heterozygote

48.
Dominant alleles are represented by a:
a)
Male gene
b)
lowercase letter
c)
recessive trait
d)
capital letter
49.

The genotype Aa is called . . .

a)

Homozygous recessive

b)

Hybrid or Heterozygous

c)

Purebred

d)

Homozygous dominant

50.

Which of the following genotypes is homozygous dominant?

a)

Yy

b)

yY

c)

yy

d)

YY

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