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Life Science 2020

Total questions: 102

Worksheet time: 1hrs 17mins

Name
Class
Date
1.

What is asexual reproduction?

a)

the process of forming a new individual from a single parent

b)

the process of forming a new individual from 2 parents

2.

What is sexual reproduction?

a)

the process of forming a new individual from a single parent

b)

the process of forming a new individual from 2 parents

3.

What are the advantages of asexual reproduction?

a)

The organism does not need to find a partner

b)

The organism can make as many clones as it wants

4.

What are the advantages of sexual reproduction?

a)

Combining 2 sets of DNA can lead to greater genetic variation

b)

Combining 2 sets of DNA always leads to more colors

c)

Combining 2 sets of DNA always means better chances of survival

5.

What are the challenges of asexual reproduction?

a)

Reproduction takes longer

b)

Reduced genetic variation since every offspring is just a clone

6.

What are the challenges of sexual reproduction?

a)

Organisms have to find a compatible partner and cannot reproduce as quickly

b)

It leads to lower genetic variation

7.

What is genetic variation?

a)

When reproduction results in individuals whose DNA is different from their parents

b)

When reproduction results in individuals whose DNA is identical to their parent

8.

What is genetic information?

a)

ONLY information about an organism's appearance

b)

DNA, the information that codes for all the details about an organism

9.

What does the word "offspring" mean?

a)

A small spring (river)

b)

The child of a parent

10.

A chromsome is a

a)

type of gene

b)

chunk of DNA

c)

type of variation

11.

Chromosomes are arranged in pairs because

a)

they like to have a partner

b)

that's just how they line up

c)

half come from the mother and half from the father

12.

Fertilization is

a)

when a plant sprouts

b)

When DNA splits

c)

When 2 gamete cells join to create 1 full set of chromosomes

13.

Both a plant and animal cells have a cell wall

a)

True

b)

False

14.

What is the large sac that holds food, water, and waste?

a)

Cytoplasm

b)

Vacuole

c)

Nucleus

d)

Mitochondria

15.

Which cell has chloroplast?

a)

Plant cell

b)

Animal cell

c)

Both

d)

Neither one of them have chloroplast

16.

Contains chlorophyll (green pigment) and uses the sun to make food

a)

cell membrane

b)

cell wall

c)

chloroplast

d)

cytoplasm

17.

rigid outer layer that supports and allows it to grow tall

a)

cell membrane

b)

cell wall

c)

chloroplast

d)

cytoplasm

18.

controls movement of materials in and out of the cell, maintains homeostasis

a)

cell membrane

b)

cell wall

c)

chloroplast

d)

cytoplasm

19.

jelly like material that protects cell organelles

a)

cell membrane

b)

cell wall

c)

chloroplast

d)

cytoplasm

20.

What is the function of the nucleus of an animal cell?

a)

It is the place where energy is produced.

b)

It stores the genetic information, the DNA (chromosomes).

c)

It defends the cell from infections.

d)

It captures sunlight to produce food.

21.

Which is an example of a multi-cellular organism?

a)

frog

b)

archaea

c)

fungi

d)

bacteria

22.

Organisms made of one cell are known as

a)

multicellular

b)

unicellular

c)

epithelial

d)

epidermal

23.

What kind of cell is this?

a)

plant

b)

animal

24.

What kind of cell is this?

a)

plant

b)

animal

25.

What are the cell parts or structures inside the cell called?

a)

tissues

b)

muscles

c)

organs

d)

organelles

26.

This cell part is in ALL cells. It is the gel-like substance that provides cell shape.

a)

Chloroplasts

b)

Cell membrane

c)

Cytoplasm

d)

Nucleus

27.
Which of the following lists these levels in the correct order of organization from the simplest to the most complex?
a)
cells, tissues, organs, organ systems, organisms
b)
organisms, organ systems, organs, tissues, cells
c)
tissues, cells, organs, organisms, organ systems
d)

organs, organ systems, organisms, cells, tissues

28.

Jared observes a cell in biology lab with the light microscope. The cell has the following structures: nucleus, cell wall, and chloroplast. Identify the type of cell that Jared is observing.

a)

animal

b)

plant

c)

fungus

d)

bacteria

29.

Identify this type of cell.

a)

animal

b)

plant

c)

eukaryotic

d)

prokaryotic

30.

Controls what comes in and out of the cell

a)

Cytoplasm

b)

Cell Wall

c)

Cell Membrane

d)

Endoplasmic Reticulum

31.

Packages and distributes materials to the cell

a)

Endoplasmic reticulum

b)

Golgi bodies

c)

Mitochondrian

d)

Cell Wall

32.
The ___________ is the basic unit of life
a)
organ
b)
cell
c)
atom
d)
tissue
33.
What are tiny organelles that convert glucose into ATP?
a)
Ribosomes
b)
Vesicles
c)
Cytoskeleton
d)
Mitochondria
34.
What type of cell has a defined nucleus and membrane bound organelles.
a)
Bacteria
b)
Prokaryote
c)
Eukaryote
d)
Archaeabacteria
35.
What type of cell does not have a defined nucleus or membrane bound organelles.
a)

Animal Cell

b)
Prokaryote
c)
Eukaryote
d)

Plant Cell

36.

What does the cytoskeleton do?

a)

Look spooky at Halloween

b)

Hold organelles in place and helps cell keep its shape

c)

Moves organelles around the cell

37.

What does the nucleolus do?

a)

Creates ribosomes

b)

Acts as a mini nucleus

c)

Directs the actions of the nucleus

38.

What do ribosomes do?

a)

Filter fats

b)

Filter waste in the cell

c)

Create proteins

39.

Which organelle helps to make and transport lipids and proteins?

a)

Golgi apparatus

b)

Nucleus

c)

Ribosomes

d)

Endoplasmic reticulum

40.

Which organelle recycles unneeded molecules?

a)

Ribosome

b)

Smooth Endoplasmic Reticulum

c)

Lysosome

d)

Vesicles

41.

Centrioles

a)

help organize DNA and ensure it divides correctly

b)

are in the center

c)

are guards at the membrane

42.

What three things are needed for a plant to do photosynthesis?

a)

Glucose, Oxygen, Sunlight

b)

Carbon dioxide, Oxygen, Sunlight

c)

Carbon dioxide, Water, Sunlight

d)

Oxygen, Water, Sunlight

43.

What two products does a plant make during photosynthesis?

a)

Water and Glucose

b)

Oxygen and Glucose

c)

Oxygen and Water

d)

Carbon dioxide and Glucose

44.
Which plant part collects the sun's energy and makes food?
a)
Leaf
b)
Stem
c)
Roots
d)
Flower
45.
What is the name of the green pigment inside plants?
a)
Monophyll
b)
Chlorophyll
c)
Epiphyll
d)
Glorophyll
46.
Which of these is NOT A TRUE statement about why photosynthesis is important:
a)
It captures and makes the sun's energy available to all species
b)
It turns deadly CO2 into Oxygen for us to breath
c)
It helps plants create energy to send to rest of food chain
d)
It makes the water for our planet
47.

Which of the following statements best describes the term photosynthesis?

a)

When plants absorb the energy from the sun.

b)

How plants reproduce.

c)

The process by which plants make their own food.

d)

The process by which animals make their own food.

48.

Chlorophyll is:

a)

The substance that makes plants green.

b)

Found inside the chloroplast cells.

c)

Used to absorb energy from the sun.

d)

All of the above.

49.

A plant’s leaves are green because the color green is _________________back to our eyes.

a)

Absorbed

b)

Reflected

c)

Transmitted

d)

None of the Above

50.

Glucose is a type of _______________.

a)

Dairy Product

b)

Protein

c)

Salt

d)

Sugar

51.
True or False - Experiments should have many independent variables.
a)
TRUE
b)
FALSE
52.
This variable in an experiment is the one being deliberately changed by the scientist. 
a)
dependent variable
b)
independent variable
c)
data
d)
control group
53.
In a controlled experiment, how many variables can be worked with at a time? 
a)
one
b)
none
c)
two or more
d)
how ever many makes sense.
54.
Steve wanted to see if the type of fertilizer made sunflowers grow larger. What is the independent variable 
a)
Type of fertilizer
b)
Size of sunflower
c)
type of sun flower
55.
Steve wanted to see if the type of fertilizer made sunflowers grow larger. What is the dependent variable 
a)
Type of fertilizer
b)
Size of sunflower
c)
Type of sunflower
56.

The dependent variable is

a)

what you change between your test groups

b)

what you measure/record throughout the experiment, and will be different as a result of the differences between the test groups

57.

In our plant growth experiment, the dependent variable is

a)

how much water or sun the plant gets

b)

how tall it grows

58.

In our plant growth experiment, the independent variable is

a)

how much water or sun the plant gets

b)

how tall it grows

59.
What organ system in the human body is responsible for the breakdown of food and the removal of solid waste? 
a)
Urinary System
b)
Digestive System
c)
Respiratory Sytem
d)
Lymphatic System
60.
What organ system in the human body is responsible for keeping the body's shape and structure? 
a)
Skeletal System
b)
Muscular System
c)
Nervous System
d)
Circulatory System
61.
What organ system in the body is responsible for movement and locomotion? 
a)
Skeletal System
b)
Muscular System
c)
Nervous System
d)
Lymphatic System
62.
What organ system in the human body is responsible for pumping blood to all parts of the body?
a)
Respiratory System
b)
Integumentary System
c)
Circulatory System
d)
Nervous System
63.
What organ system in the human body is responsible for transmitting electrical signals throughout the body?
a)
Skeletal System
b)
Muscular System
c)
Endocrine System
d)
Nervous System
64.
What organ system in the human body is responsible for waterproofing and protection? 
a)
Skeletal System
b)
Integumentary System
c)
Lymphatic System
d)
Nervous System
65.
What organ system in the human body is responsible for the intake of oxygen and the release of carbon dioxide? 
a)
Respiratory System
b)
Circulatory System
c)
Reproductive System
d)
Integumentary System
66.
Which of the following is the correct order of organization smallest to largest? 
a)
atom, molecule, cell, tissue, organism, organ, organ system, population, ecosystem
b)
atom, molecule , cell, tissue, organ, organ system, organism, ecosystem, population
c)
atom, molecule, cell, tissue, organ, organ system, organism, population, ecosystem
d)
ecosystem, population, organism, organ system, organ, tissue, cell, molecule, atom
67.
Please select who performs cellular respiration: 
a)
Animals 
b)
Both animals and plants 
c)
plants 
68.
Cellular respiration is...
a)
the process by which cells break down glucose into energy. 
b)
the process by which cells break light down into energy. 
c)
the process by which cells communicate with other cells. 
69.
Cellular respiration occurs in 
a)
chloroplasts 
b)
mitochondria
c)
golgi aparatus 
d)
thylakoid 
70.
In which way are photosynthesis and cellular respiration different?
a)
Cellular respiration stores ATP, while photosynthesis releases ATP.
b)
Cellular respiration produces oxygen, while photosynthesis uses oxygen.
c)
Photosynthesis releases energy, while cellular respiration stores energy.
d)
Photosynthesis used carbon dioxide, while cellular respiration produces carbon dioxide.
71.
Cellular Respiration's goal is to
a)
make water
b)
make ATP
c)
make glucose
d)
make  oxygen
72.

What are the products in cellular respiration?

a)

water, carbon dioxide, and ATP energy

b)

water and glucose

c)

carbon dioxide and oxygen

d)

glucose and oxygen

73.

What are the ingredients in cellular respiration?

a)

glucose and oxygen

b)

glucose and carbon dioxide

c)

water and carbon dioxide

d)

oxygen and glucose

74.
A producer?
a)
Eats other plants and animals
b)
Makes its own food
c)
Eats dead plants or animals
d)
Makes toys for kids
75.
A consumer?
a)
Makes its own food
b)
Eats dead plants and animals
c)
Eats plants and other animals for energy
d)
Buys toys for kids
76.
This organism draws its water from the ground, traps sunlight in its chlorophyll, and makes glucose (sugar) in broad green parts of its body. Is it a...
a)
Producer
b)
Consumer
c)
Decomposer
77.
This organism traps its prey in a web, stings it, paralyzes it, and sometimes saves it to eat later. Is it a.....
a)
Producer
b)
Consumer
c)
Decomposer
78.
A decomposer?
a)
Eats dead plants or animals and breaks down to put nutrients in the soil
b)
Eats plants or other animals for food
c)
Makes its own food
d)
Machine that gathers trash
79.
Snow, sleet, hail, and rain are all examples of  ________________. 
a)
evaporation
b)
condensation
c)
accumulation
d)
precipitation
80.
During which stage do clouds form?
a)
condensation
b)
evaporation
c)
precipitation
81.
Which stages does liquid water from the ocean turn into water vapor?
a)
condesantion
b)
evaporation
c)
precipitation
d)
run off
82.
Which stage does ground water try to return to the ocean or soak into the ground?
a)
condensation
b)
evaporation
c)
precipitation
d)
run off
83.

A resource is renewable because...

a)

it cannot be replaced as fast as people use it.

b)

it can be recycled.

c)

it can easily be replaced as it is used.

d)

it is available in limited supplies.

84.

A resource is nonrenewable because...

a)

it cannot be replaced as fast as people use it.

b)

it can be recycled.

c)

it can easily be replaced as it is used.

d)

it is available in limited supplies.

85.

This natural resource is...

a)

nonrenewable solar

b)

renewable solar

c)

nonrenewable wind

d)

renewable water

86.

The following are renewable sources of energy

a)

wind and water

b)

coal and natural gas

c)

sunlight and petroleum

d)

minerals and oil

87.

The following are nonrenewable sources of energy

a)

wind and water

b)

coal and natural gas

c)

sunlight and petroleum

d)

minerals and oil

88.
What are the 3 major types of rocks?
a)
Igneous, Metamorphic, Sedimentary
b)
Metamorphic, Igneous, Cementation
c)
Brown, Red, Gray
d)
Streak, Hardness, Breakage
89.
This rock was formed when molten rock cooled into a solid. What type of rock is it?
a)
Igneous Rock
b)
Metamorphic Rock
c)
Sedimentary Rock
90.
This rock formed when bits of other rocks became pressed into a solid. What type of rock is it?
a)
Sedimentary Rock
b)
Metamorphic Rock
c)
Igneous Rock
91.
The process when rocks break into smaller pieces due to exposure to natural elements is called
a)
erosion
b)
weathering
c)
sediments
92.
The process by which metamorphic rocks are formed...
a)
heat and pressure
b)
erosion and deposition
c)
melting and cooling
93.
Sedimentary rocks may contain fossils.
a)
True
b)
False
94.

Why is the Equator warmest?

a)

Because it is closest to the sun.

b)

Because it receives the most direct sunlight

c)

Because no clouds form here.

d)

Because it is far from the sun

95.

Which of the following best describes the tilt of the earth when it is summer in the southern hemisphere?

a)

The northern hemisphere is tilted toward the sun

b)

The northern hemisphere is tilted away from the sun

c)

The southern hemisphere is tilted toward the sun

d)

The southern hemisphere is tilted away from the sun

96.

What happens when the area in which you live tilts away from the sun?

a)

It is winter

b)

It is summer

c)

It is spring

d)

It is fall

97.
What causes the phase of the Moon to change each night?
a)
The Moon changes its acutal shape throughout the course of the month.
b)
The alignment between the Earth, Moon, and Sun determines the amount of light reflected by the Moon.
c)
The season of the year determines the phase of the Moon.
d)
The closer the Moon is to Earth, the more light the Moon reflects.
98.
Increasing quantities of CO2 (Carbon Dioxide) in the atmosphere will cause air temperatures to be _____. 
a)
warmer
b)
cooler
99.
Which human activity contributes the MOST carbon dioxide to the atmosphere?
a)
Fishing
b)
Breathing
c)
Burning Fossil Fuels
d)
Farming
100.
What is the greenhouse effect?
a)
The warming of a planet due to trapped radiation.
b)
The cooling of Earth due to air pollution.
c)
The heating of a solid, such as a rock.
101.

The Earth's atmosphere acts like a greenhouse that traps heat from the sun.

a)

true

b)

false

102.
Without the Greenhouse Effect the Earth would be
a)
warm 
b)
cold
c)
dead

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