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Life Science Review

Total questions: 59

Worksheet time: 40mins

Name
Class
Date
1.

Choose all of the tools used for measuring volume.

a)
b)
c)
d)
e)
2.

When a scientist measures the amount of space an object takes up, the scientist is measuring —

a)

Mass

b)

Length

c)

Volume

d)

Diameter

3.

A student wanted to know if guinea pigs prefer living in the dark. The student placed one guinea pig in a cage with half the cage covered to simulate night time and half uncovered to simulate daylight and then watched to see if the guinea pig spent most of his time on the dark side or light side. What is wrong with this experiment?

a)

The student should have at least three cages with a guinea pig inside to test the environmental conditions.

b)

The student should take the guinea pig out at least twice a day so it can have company.

c)

The student should add another guinea pig and watch what both of them do.

d)

The student should also track how much food the guinea pig eats.

4.

Some radish seeds were studied in this experiment. The seeds were placed in a dish lined with a moist paper towel. Choose all of the constants in this experiment.

a)

Temperature of petri dishes

b)

Type of seed

c)

Number of seeds

d)

Dish set up

e)

Seed growth

5.

Which cell structure acts like the brain of a cell?

a)

Nucleus

b)

Mitochondrion

c)

Endoplasmic Reticulum

d)

Cytoplasm

6.

What is the function the organelle labeled number 2?

a)

To produce energy

b)

To store substances

c)

To produce proteins

d)

To absorb sunlight

7.

Which cell structure is referred to as the gatekeeper because it directs substances to move into and out of the cell?

a)

Cytoplasm

b)

Endoplasmic Reticulum

c)

Nucleus

d)

Cell membrane

8.

Choose all the components of the cell theory.

a)

All living things are made up of cells

b)

Cells are made of organelles

c)

Cells are the basic unit of life

d)

All cells come from preexisting cells.

9.

The first scientist to use the term "cell" after looking at cork under a microscope was —

a)

Anton van Leeuwenhoek

b)

Robert Hooke

c)

Charles Darwin

d)

Francesco Redi

10.

Which instrument is credited for helping scientists develop cell theory?

a)

Microscope

b)

Spring scale

c)

Magnifying glass

d)

Beaker

11.

Choose all the organelles that are only in plant cells.

a)

Cell walls

b)

Nucleus

c)

Mitochondria

d)

Chloroplast

e)

Golgi bodies

12.

Sally looked through her microscope and saw the following cell structures - cell wall, nucleus, chloroplasts, endoplasmic reticula. What type of cell was Sally looking at?

a)

Plant

b)

Animal

c)

Muscle

d)

Nerve

13.

Meiosis produces —

a)

regular body cells

b)

body cells with 1/2 the number of chromosomes as the parent cell

c)

sex cells with 1/2 the number of chromosomes as the parent cell

d)

mutations within the cell's DNA

14.

In a eukaryotic cell, where would the DNA be found?

a)

Only in the ribosomes

b)

Inside the chloroplasts

c)

Floating freely in the cytoplasm

d)

Inside the nucleus

15.

Which of these is in order from least to most complex?

a)

Cells - tissues - organs - organ systems

b)

Cells - organs - tissues - organ systems

c)

Organ systems - tissues - organs - cells

d)

Tissues - organs - cells - organ systems

16.

Which of the following are life processes that are performed by cells?

a)

Osmosis

b)

Respiration

c)

Hydrolysis

d)

Mutations

e)

Diffusion

17.

What process is used to move molecules across the cell membrane from an area of high concentration to an area of lower concentration?

a)

Active transport

b)

Diffusion

c)

Respiration

d)

Metabolism

18.

What kingdom is classified under the Archaea domain?

a)

Probacteria

b)

Archaebacteria

c)

Somabacteria

d)

Eubacteria

19.
Using this dichotomous key, identity the name of the circled fish.
a)
band-tail puffer
b)
spotted goat fish
c)
peacock flounder
d)
trumpet fish
20.

Kingdom, Phylum, _________, Order, Family, Species

a)

Group

b)

Class

c)

Sub-kingdom

d)

Ultra order

21.

Identify the organisms that are classified in the plant kingdom.

a)

Algae

b)

Shrub

c)

Fern

d)

Mushroom

e)

Moss

22.

Seedless vascular plants include —

a)

algae, flagellates, and sporozoans

b)

mosses, ferns, and algae

c)

angiosperms, gymnosperms, and club mosses

d)

ferns, horsetails, and club mosses

23.

Which of the following have radial symmetry?

a)

Sea urchin

b)

Crab

c)

Jellyfish

d)

Sea anemone

24.
Which of the following is an example of a cnidarian?
a)
Barrel sponge
b)
Purple Striped Jellyfish
c)
Sea turtle
d)
Turitopsis Nutricula
25.

An octopus belongs to which phylum?

a)

Cnidarian

b)

Chordata

c)

Molluska

d)

Echinoderm

26.

A sea urchin belongs to which phylum?

a)

Chordata

b)

Echinoderm

c)

Mollusk

d)

Cnidaria

27.

A crab belongs to which phylum?

a)

Chordata

b)

Echinoderm

c)

Cnidarian

d)

Arthropod

28.

Plants lose water through their leaves in a process called–

a)

Transportation

b)

Evaporation

c)

Transpiration

d)

Perspiration

29.

Which organelle from the plant cell is primarily responsible for converting sunlight to energy?

a)

Chloroplast

b)

Chlorophyll

c)

Mitochondria

d)

Nucleus

30.

What gas is released during photosynthesis?

a)

Carbon dioxide

b)

Oxygen

31.

What raw materials are needed for photosynthesis to occur?

a)

Water and glucose

b)

Glucose and oxygen

c)

Light energy and oxygen

d)

Carbon dioxide and water

32.

What important life needs, do plants and other photosynthetic organisms provide for animals?

a)

Water

b)

Oxygen

c)

Carbon dioxide

d)

Sugar

33.

Which food chain shown is an example of a third-order consumer's interdependence with a producer?

a)

Human ← Hawk ← Snake ← Field Mouse ← Walnut

b)

Hawk ← Snake ← Field Mouse ← Walnut

c)

Field Mouse ← Walnut

d)

Snake ← Field Mouse ← Walnut

34.
A relationship between two organisms in which one organism benefits and the other is unharmed...
a)
Mutualism 
b)
Competition
c)
Parasitsm 
d)
Commensalism 
35.
A tapeworm and a cat have this type of relationship.
a)
mutualism
b)
parasitism
c)
commensalism
d)
competition
36.
What type of symbiosis?  Hummingbirds feed on nectar from flowers.  The flowers are pollinated by hummingbirds as they move from flower to flower.
a)
commensalism
b)
mutualism
c)
parasitism
d)
predation
37.
A community is a group of _________________.
a)
Organisms
b)
Cells
c)
Populations
d)
Ecosystems
38.
What do ecosystems have that communities do not?
a)
Biotic factors
b)
Populations
c)
Carbon
d)
Abiotic factors
39.
In this food web, which organism is a primary consumer?
a)
Plants
b)
Hawk
c)
Prairie dog
d)
Rattlesnake
40.
In this food web, which organism is a producer?
a)
Plants
b)
Roadrunner
c)
Hawk
d)
Prairie dog
41.
Biotic factors of an ecosystem are:
a)
non-living
b)
plants
c)
living thing
d)
soil
42.
Which of the following is the best definition for estuary?
a)
Narrow band of coastline that exists between high and low tide.
b)
Areas along the coast where fresh water from rivers mixes with salt water from the ocean.
c)
Flowing fresh water containing rapids.
d)
Freshwater aquatic areas that are saturated by water for at least part of the year.
43.

All living things and nonliving factors in an environment.

a)

Biome

b)

Ecosystem

c)

Land mass

d)

Community

44.

A large area defined by its climate and the living on nonliving things therein.

a)

Biome

b)

Ecosystem

c)

Continent

d)

Community

45.
Which biome is characterized by low temperatures and low amounts of rainfall?
a)
tundra
b)
desert
c)
temperate deciduous forest
d)
tropical rain forest
46.
Which biome covers most of the land mass near the Earth's equator?
a)
tundra
b)
desert
c)
grassland
d)
tropical rainforest
47.
Which biome is found on the mountain above the tree line?
a)
grassland
b)
deciduous forest
c)
tundra
d)
tropical forest
48.
Which biome, because of its climate, has the largest number of species of plants and animals?
a)
tundra
b)
desert
c)
tropical rainforest
d)
pine forest
49.
Which type of trees is found in a temperate forest?
a)
deciduous
b)
evergreen
c)
ginko
d)
palm
50.
Which biome receives between 0 to 25 centimeters of rain per year, has a temperature range of 0 to 50 degrees Celsius, has poor soil, and is home to lizards, scorpions, and snakes?
a)
desert
b)
mountain
c)
taiga
d)
tundra
51.

Which amphibian is most aquatic?

a)
b)
c)
d)
52.

What is the figure shown displaying?

a)

Niches

b)

Phototropism

c)

Eutrophication

d)

Climate change

53.

What will most likely occur in the year 2020?

a)

Carbon emissions will decrease and world population will increase.

b)

Carbon emissions and world population will stay the same.

c)

Carbon emissions and world population will decrease.

d)

Carbon emissions and world population will increase.

54.
If one side of a DNA strand is A-A-T-C-G-G-A, what would the other side be?
a)
A-A-T-C-G-G-A
b)
G-G-C-A-T-T-AG
c)
T-T-A-G-C-C-T 
d)
C-C-G-A-T-T-C
55.

What is the box with a t representing?

a)

Deoxyribose sugar

b)

Phosphate

c)

Nitrogen base

56.

What does the orange pentagon represent?

a)

Deoxyribose sugar

b)

Nitrogen base

c)

Phosphate

57.

What does the green circle represent?

a)

Deoxyribose sugar

b)

Nitrogen base

c)

Phosphate

58.

How many chromosomes are normally found in a human sex cell?

a)

46

b)

23

c)

48

d)

24

59.

Based on the different types of bird beaks, which statements explain the variety of finches in the Galapagos?

a)

The islands are exactly like the main land.

b)

Each island had different animal populations, changing the food availability.

c)

The birds each had their own preferences for food, so their beaks changed based on what they liked to eat.

d)

Each island has a different type of food.

e)

All of the islands have the same type of food.

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