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Life Science Semester 2 Review

Total questions: 66

Worksheet time: 50mins

Name
Class
Date
1.

What is the name of this metric tool?

a)

Triple Beam Balance

b)

Graduated Cylinder

c)

Massometer

2.

Find the mass.

a)

550.4 g

b)

559.4 g

c)

550.6 g

3.

What is the value on the balance?

a)

480.5 g

b)

840.05 g

c)

408 g

4.

What is the FIRST thing you should do when measuring on a triple beam balance?

a)

Move the heaviest rider to the right until it tips past 0

b)

Move all the riders/counterweights to the right

c)

Put your object on the triple beam

d)

Read the mass

5.

What is the graph all about?

a)

Weekly Income of a School

b)

Weekly Income of a Canteen

c)

Weekly Income of a Store

d)

Weekly Income of Workers

6.

Which category has the least number of persons who were vaccinated?

a)

A4

b)

A3

c)

A2

d)

A1

7.

Top or front end of an organism

a)

anterior

b)

posterior

c)

dorsal

d)

ventral

8.

Hind or tail end of an organism

a)

anterior

b)

posterior

c)

dorsal

d)

ventral

9.

Back surface or the darker side of an organism

a)

anterior

b)

posterior

c)

dorsal

d)

ventral

10.

Front surface or the lighter, belly side.

a)

anterior

b)

posterior

c)

dorsal

d)

ventral

11.

What is the biggest function of the muscular system?

a)

to help digest food

b)

to help us move

c)

to help us breathe

d)

to help us remove waste

12.

What is the biggest function of the respiratory system?

a)

to pump blood

b)

to help us digest food

c)

to take in oxygen and release carbon dioxide

d)

to help us fight disease and infection

13.

Which of the following statements describes the function of the heart?

a)

The heart produces white and red blood cells.

b)

The heart controls the nervous system.

c)

The heart makes oxygen and carbon dioxide.

d)

The heart pumps blood throughout the body.

14.

Which system in the human body functions primarily to supply the blood with oxygen and remove carbon dioxide?

a)

excretory

b)

immune

c)

respiratory

d)

cardiovascular

15.

How does the respiratory system depend on the circulatory system in order to function?

a)

The circulatory system brings waste gases to the lungs and exchanges them for oxygen.

b)

The circulatory system provides structural support and protection to the respiratory system.

c)

The circulatory system pushes gases out of the body through the mouth and nose.

d)

The circulatory system sends messages to the lungs so that one can breathe in and out.

16.

Which two systems are responsible for voluntary movement?

a)

circulatory and excretory

b)

digestive and circulatory

c)

skeletal and muscular

d)

skeletal and circulatory

17.

What is the most important function of the digestive system?

a)

Gas exchange

b)

Break down food

c)

Voluntary movement

d)

Fight bacteria and disease

18.

The place where two bones meet is called a ___________. They work with your muscles to help you move.

a)

tendon

b)

joint

c)

blood vessel

d)

ligament

19.

This is at the end of a bone, cushions/tough

a)

cartilage

b)

tendon

c)

ligament

20.

This attaches bone to muscle.

a)

cartilage

b)

tendon

c)

ligament

21.

This attaches bone to bone

a)

cartilage

b)

tendon

c)

ligament

22.

The part of the bone that makes red blood cells.

a)

cartilage

b)

tendon

c)

ligament

d)

bone marrow

23.

Which of the following uses voluntary muscles?

a)

Digestion

b)

Heart breathing

c)

Raising your hand

d)

Sneezing

24.

Muscles that you have no control over are called ___________ muscles.

a)

Involuntary

b)

Voluntary

c)

Evolutionary

d)

Revolutionary

25.

Muscles that you can control are called ___________ muscles.

a)

Involuntary

b)

Voluntary

c)

Evolutionary

d)

Revolutionary

26.

What are the three types of muscle tissues?

a)

Skeletal, Red, White

b)

Cardiac, Smooth, Skeletal

c)

Red, White, Blue

d)

Cardiac, Skeletal, Red

27.

This muscle is found in the heart and never gets tired.

a)

Cardiac

b)

Smooth

c)

Skeletal

d)

Strong

28.

Muscles usually work in __________ .

a)

sets of 5

b)

pairs

c)

sets of 4

d)

sets of 3

29.

How does exercise help your circulatory system?

a)

makes bones strong

b)

lifting weights makes skeletal muscles strong

c)

it wont help because it will keep you up at night

d)

heart muscle will be strong and better pump blood

30.
What part of blood is responsible for carrying oxygen and carbon dioxide to body cells?
a)
Red Blood Cells
b)
White Blood Cells
c)
Platelets
d)
Plasma
31.

How does the heart work?

a)

It pumps blood first to the lungs, back to the heart and then around the rest of the body.

b)

It pumps blood first to the rest of the body, back to the lungs and then to the heart.

c)

It pumps blood around the rest of the body, back to the heart and then to the lungs,

32.

Deoxygenated blood means that the blood is low in...

a)

Oxygen

b)

Carbon Dioxide

33.

As the blood reaches the lungs, what is removed from the blood?

a)

oxygen

b)

carbon dioxide

c)

red blood cells

d)

white blood cells

34.
The air sacs that are covered with capillaries where gas exchange takes place
a)
bronchi
b)
lungs
c)
oxygen
d)
alveoli
35.

Flap of tissue that covers the opening to the windpipe during swallowing

a)

Pharynx

b)

Trachea

c)

Epiglottis

d)

bronchioles

36.

The main organs of the respiratory system

a)

heart

b)

lungs

c)

esophagus

d)

trachea

37.
The mouth has 2 different types of digestion.  They are
a)
Physical and Elemental
b)
Mechanical and heat
c)
Mechanical and chemical
d)
Acidic and motion
38.
Digestion starts in the 
a)
Mouth 
b)
Esophagus
c)
Stomach 
d)
Intestine
39.
The tube that connects the mouth to the stomach (number 2 in the diagram) is called the
a)
Epiglotis
b)
Esophagus
c)
Entry
d)
Elimination tube
40.
Which organ absorbs most of the nutrients using small fingerlike structures called villi?
a)
Gall Bladder
b)
Pancreas
c)
Large Intestine
d)
Small Intestine
41.
Which organ absorbs water and is the last stage of the digestive process.
a)
Gall Bladder
b)
Pancreas
c)
Large Intestine
d)
Small Intestine
42.
The rectum holds and stores waste before it is eliminated.
a)
True
b)
False
43.
Number 1 is the 
a)
Mouth 
b)
Esophagus
c)
Pancreas
d)
Gall Bladder
44.

Which organ breaks down food mechanically and chemically and is labeled number 3 in the diagram?

a)

Liver

b)

Pancreas

c)

Gall Bladder

d)

Stomach

45.

What is a neuron?

a)

a bone in your spinal cord

b)

a blood vessel in your brain

c)

a nerve cell

d)

a stroke

46.

Select the three main parts of the brain.

a)

cerebellum

b)

spinal cord

c)

brain stem

d)

cerebrum

e)

liquid

47.

Which part of the brain helps your muscles work together?

a)

cerebrum

b)

cerebellum

c)

brain stem

d)

medulla

48.

The body's automatic actions like breathing, coughing, and beating of your heart are controlled by the ______________.

a)

cerebrum

b)

cerebellum

c)

spinal cord

d)

Brain Stem

49.

Look at the diagram of the food web. The arrows means “eaten by.”


What will happen if the number of snakes goes down?

a)

The owl will eat the grass

b)

The number of frogs will go down

c)

The hawk and owl will have less food

d)

The number of mice and grasshoppers will go up.

50.
An organism that can make its own food is called?
a)
Consumer
b)
Producer
c)
Decomposer
d)
Herbivore
51.
All food chains begin with a ____________.
a)
primary consumer
b)
secondary consumer
c)
producers
d)
scavengers
52.
A consumer gets energy by doing what?
a)
Making it themselves.
b)
Breaking down biotic wastes and dead organisms and returning raw materials to the ecosystem.
c)
Soaking it up from the ground.
d)
Feeding on other organisms.
53.
An organism that lives by breaking apart dead organic matter into simpler parts is...
a)
scavenger
b)
consumer
c)
decomposer
d)
carnivore
54.

An ecosystem thrives with biotic and abiotic components. An example of an abiotic part of an ecosystem is ______________.

a)

Bacteria

b)

Fungus

c)

Water

d)

Decaying plants

55.
What does the picture show?
a)
A Food Web
b)
An Ecosystem
c)
A Food Chain
d)
A nice scenery
56.

Where does the food chain START?

a)

with consumers that eat grass

b)

with the sun giving energy to producers

c)

with the sun giving energy to consumers

d)

with consumers eating other consumers

57.

An oak tree is a/an...

a)

Producer

b)

Primary Consumer

c)

Secondary Consumer

d)

Decomposer

58.

Which symbiotic relationship is when one organism benefits and the other is not impacted (positively or negatively)?

a)

Predation

b)

Mutualism

c)

Commensalism

d)

Parasitism

59.
An individual living thing is a/an __________.
a)
habitat
b)
ecosystem
c)
organism
d)
population
60.
All of the living and nonliving things in an area that interact with each other are called a/an ______.
a)
community
b)
habitat
c)
population
d)
ecosystem
61.
A group of bunnies living in the forest is an example of a __________.
a)
Population
b)
Ecosystem
c)
Individual
d)
Community
62.
A bird hitches a free, safe ride on the back of a grey elephant. The elephant doesn't seem to mind and barely notices the bird. Which type of relationship is this?
a)
mutualism
b)
commensalism
c)
parasitism
63.
A bird in a tree watched as a lion stalked, attacked, and then ate a zebra. Which of these animals was the prey?
a)
bird
b)
lion
c)
zebra
d)
all of the above
64.
A relationship where one organism benefits and one organism is harmed is called __________.
a)
mutualism
b)
commensalism
c)
parasitism
65.
A relationship where both organisms benefit is called __________.
a)
mutualism
b)
commensalism
c)
parasitism
66.
A connection of food chains with many food energy paths in an ecosystem is a ____________
a)
ecosystem
b)
food web
c)
environment
d)
population

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