wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Sem 1 Biology Review

Total questions: 75

Worksheet time: 1hrs 10mins

Name
Class
Date
1.

What is an example of a positive feedback mechanism?

a)
b)
2.
Maintaining body temperature is an example of a:
a)
negative feedback loop
b)
positive feedback loop
3.
Rapid growth during puberty causes your body to release more and more growth hormones. As you grow, more and more growth hormones are released until puberty is reached, and then the hormones stop.
a)
Positive Feedback Response
b)
Negative Feedback Loop 
4.
If the calcium in your blood decreases below homeostasis levels, a gland in the brain will sense the decrease and send a chemical message to your bones. Your bones will release calcium into the blood, bringing blood calcium levels back up.
a)
Positive Feedback Response
b)
Negative Feedback Loop 
5.
If the environment gets cold, we will often shiver in order to:
a)
keep body temperature the same as the external temperature
b)
decrease body temperature
c)
increase body temperature
d)
regulate blood pressure
6.

According to the feedback loop, what does high blood sugar promote?

a)

Insulin Release

b)

Glucagon Release

c)

Insulin Uptake

d)

Glycogen Uptake

7.
What is responsible for delivering oxygen and removing carbon dioxide from the body?
a)
cell nucleus
b)
excretory system
c)
nervous tissue
d)
respiratory system
8.
Which of the following body systems work together for support, protection, and movement?
a)
respiratory and cardiovascular
b)
skeletal and muscular
c)
skeletal and integumentary
d)
digestive and respiratory
9.

What is the correct equation for cellular respiration?

a)

6O2 + C6H12O6 -> 6CO2 + 6H2O + Energy

b)

6O2 + C6H12O6 + Energy -> 6CO2 + 6H2O

c)

6CO2 + 6H2O -> 6O2 + C6H12O6 + Energy

d)

6CO2 + 6H2O + Energy -> 6O2 + C6H12O6

10.

2. Which biomolecules contains your genetic information?

a)

Proteins

b)

Lipids

c)

Carbohydrates

d)

Nucleic Acids

11.

9. Amino Acids are the monomers of __________.

a)

Nucleic Acids

b)

Proteins

c)

Carbohydrates

d)

Lipids

12.

1. The four most common elements found in biomolecules are __________.

a)

Sulfur, Phosphorus, Carbon, Oxygen

b)

Carbon, Oxygen, Nitrogen, Hydrogen

c)

Sulfur, Nitrogen, Carbon, Iron

d)

Carbon, Nitrogen, Hydrogen, Sulfur

13.
This molecules is a
a)
amino acid
b)
nucleic acid
c)
carbohydrate
d)
lipid
14.
What is the function of a carbohydrate?
(Why do I need this before a workout?)
a)
Quick energy
b)
Movement
c)
Stores genetic information
d)
Speeds up reactions
15.

Also known as simple sugars, these carbohydrate monomers are called....

a)

lipids

b)

nucleotide

c)

monosaccharide

d)

monomer

16.

A _________ reaction removes a molecule of water to bond monomers together to create a polymer.

a)

hydrolysis

b)

dehydration synthesis

c)

water

d)

magical

17.
Breaks up polymers, forming monomers
a)
dehydration synthesis
b)
hydrolysis
18.
Enzymes are considered to be 
a)
Lipids
b)
Carbohydrate
c)
Protein
d)
Nucleic Acid
19.
What is the purpose  of an enzyme?
a)
give permission for the reaction
b)
raise activation energy
c)
speed up reactions
d)
control how many reactions occur
20.
What is structure A?
a)
Substrate
b)
Active site
c)
Enzyme
d)
Products
21.
Letter D...
a)
active site
b)
enzyme
c)
substrate
d)
products
22.

Where do plants get the energy for photosynthesis to take place?

a)

nutrients in the soil

b)

the sun

c)

chlorophyll

d)

bee pollination

23.

The process of photosynthesis takes place in the:

a)

Leaves of the Plant.

b)

Stem of the plant.

c)

Roots of the plant.

d)

All of the above.

24.

What 3 things do plants need for the process of photosynthesis?

a)

Sunlight, oxygen and sugar.

b)

Water, soil and oxygen.

c)

Sunlight, carbon dioxide and water.

d)

Sunlight, soil and water.

25.

What energy transformation occurs as a mouse produces body heat?

a)

Chemical --> Thermal

b)

Thermal --> Chemical

c)

Electrical --> Thermal

d)

Thermal --> Mechanical

26.
The potential energy stored in chemical bonds.
a)
mechanical energy
b)
thermal energy
c)
electrical energy
d)
chemical energy
27.

What energy transformation occurs during photosynthesis?

a)

Chemical --> Light

b)

Thermal --> Chemical

c)

Light--> Chemical

d)

Mechanical --> Thermal

28.

True or false: matter cannot be created or destroyed

a)

True

b)

False

29.
Which of these statements best explains the process of energy conversion that takes place in the mitochondria?
a)
Energy is required for carbon dioxide molecules to form water molecules
b)
Water molecules and solar energy are necessary for respiration to takeplace.
c)
Oxygen molecules release energy in the form of heat during combustion reactions.
d)
The energy in the bonds of glucose molecules is transferred to the bonds in ATP.
30.

Which of the following molecules has the most energy?

a)

Glucose

b)

Oxygen

c)

Carbon Dioxide

d)

Water

31.
an organism that makes its own food
a)
producer
b)
consumer
c)
herbivore
d)
scavenger
32.
an animal that eats both plants and animals
a)
carnivore
b)
herbivore
c)
omnivore
d)
consumer
33.
In an energy pyramid, energy_______ as you move up the pyramid.
a)
Increases
b)
Decreases
c)
Stays the same
d)
Changes up and down
34.
An organism that eats another organism.
a)
Autotroph
b)
Heterotroph
c)
Plant
d)
Producer
35.
In the energy pyramid here, how much of the energy in the producers gets passed to the herbivores?
a)
10%
b)
20%
c)
80%
d)
90%
36.
A food pyramid represent the relative amount of energy in trophic levels. Which of the following correctly shows a food pyramid?
a)
A
b)
B
c)
C
d)
D
37.

What happens to the 90% of energy that is not transferred to the next level?

a)

Lost as light

b)

Lost as heat

c)

Lost as carbon diocide

d)

Absorbed into the soil

38.
The products of photosynthesis are
a)
oxygen and glucose (food)
b)
oxygen and carbon dioxide
c)
carbon dioxide and water
d)
water and glucose
39.

The largest number of individuals that an environment can support long term is...

a)

carrying capacity

b)

emigration

c)

immigration

d)

population density

40.

What happens if a population grows past its carrying capacity?

a)

The population keeps growing

b)

The population starts to die off

c)

The entire species will go extinct

d)

The carrying capacity just increases

41.

This may cause a population to increase

a)

increase of food supply

b)

removal of predators

c)

removal of disease

d)

all of these

42.

Something that regulates the size of a population is called...

a)

a limiting measure

b)

a limiting factor

c)

carrying capacity

d)

biodiversity

43.

What are factors that affect carrying capacity?

a)

Biotic only

b)

Biotic and abiotic

c)

Depends on the ecosystem

d)

Abiotic only

44.

What is the carrying capacity of the graph?

a)

around 500

b)

more than 800

c)

less than 300

d)

around 700

45.
Which of the following would INCREASE the carrying capacity of an ecosystem?
a)
increase in predators
b)
disease
c)
increase in available food
d)
drought
46.

What is an invasive species?

a)

An organism that is new to an environment that has positive effects on the environment.

b)

An organism that is native to an environment that has negative effects on the environment.

c)

An organism that is new to an environment that has negative effects on the environment.

d)

An organism that is native to an environment that has positive effects on the environment.

47.
Invasive species alter the ecosystem by a___________in number quickly,this leads to _____ food for the native  species. 
a)
increasing  less
b)
decline  decreasing
48.
Why do the populations of invasive species grow so quickly? 
a)
Invasive Species are native to an area. 
b)
Invasive species are prey to many animals.
c)
Invasive species have no predators.
d)
Invasive species keep the ecosystems in equilibrium.
49.

Many fish die due to a drastic change in water temperature.

a)

Density-Dependent

b)

Density-Independent

50.

An extensive drought in the plains threatens wildebeest, giraffe, zebra, and springbok populations.

a)

Density-Dependent

b)

Density-Independent

51.

Which of the following is a density-dependent limiting factor?

a)

human activities

b)

unusual weather

c)

competition

d)

natural disaster

52.

Which of the following are density dependent factors?

a)

competition for resources

b)

predation

c)

disease

d)

natural disasters

53.

What are the 3 key features of populations?

a)

Size, Density, Dispersion

b)

Limiting Factors, Niche, Environment

c)

Size, Limiting Factors, Density

d)

Niche, Density, Dispersion

54.

Match the graph to the type of growth exhibited.

a)

Logistic Growth

b)

Exponential Growth

55.

Match the graph to the type of growth exhibited.

a)

Logistic Growth

b)

Exponential Growth

56.

A relationship where one organism (predator)

eats another organism (prey),

usually of a different species.

a)

Parasitism

b)

Mutualism

c)

Commensalism

d)

Predation

57.

A symbiotic relationship where one organism (the parasite) benefits from and hurts another (the host).

Usually the parasite is getting food from the hosts body.

a)

Commensalism

b)

Parasitism

c)

Mutualism

d)

Competition

58.

A symbiotic relationship that benefits both members of two different species.

a)

Predator-Pray

b)

Commensalism

c)

Mutualism

d)

Parasitism

59.

A symbiotic relationship where one species obtains food or benefits from another species without benefitting or harming the other.

a)

Commensalism

b)

Mutualism

c)

Competition

d)

Parasitism

60.

Organisms that “fight” for limited resources such as food, water or mates. It can be between organisms from different species or between organisms of the same species.

a)

Predator-Prey

b)

Mutualism

c)

Competition

d)

Parasitism

61.

The collective mass of all living things in a particular area or at a specific trophic level of an ecosystem is known as...

a)

Population Size

b)

Biomagnification

c)

Biomass

d)

Apex Trophism

62.

Which organism in the food web shown to the right would

contain the lowest concentration of chemical pollutants?

a)

producers

b)

primary consumers

c)

secondary consumers

d)

tertiary consumers

63.
Organisms that create their own energy from sunlight or chemicals
a)
Herbivore
b)
Omnivore
c)
Autotroph
d)
Heterotroph 
64.

The phenomenon by which toxins concentrate in the organisms at higher trophic levels within an ecosystem is known as...

a)

Biotoxicity

b)

Biomagnification

c)

Eutrophication

d)

Predation

65.
What does a food web represent?
a)
All connections of energy flow throughout all organisms in a habitat.
b)
The specific ways that mutualism is carried out.
c)
A single pathway or energy flow between organisms. 
d)
How carnivores get their food. 
66.

When you consume an organism, you only receive 10% of the energy, but how much of the toxins do you receive?

a)

All of the toxins

b)

10% toxins

c)

1% toxins

d)

None of the toxins

67.

In which organism would biomagnification be the most concentrated? (Remember the lab: Rabbits eat the grass, the snake eats the rabbit, the hawk eats the snake--the hawk is the apex predator)

a)

grass

b)

rabbit

c)

snake

d)

hawk

68.

Toxin concentrations _____________ as you go up the food chain.

a)

do not change

b)

increase

c)

decrease

69.

Which consumer is the most affected by toxins like mercury?

a)

Primary Consumer

b)

Secondary Consumer

c)

Apex Predator

d)

Producers

70.

Which process contributes carbon dioxide to the atmosphere?

a)

anaerobic respiration

b)

photosynthesis

c)

protein synthesis

d)

tree farms

71.

Which process removes carbon dioxide from the atmosphere?

a)

deforestation

b)

tree farms

c)

burning fossil fuels

d)

cellular respiration

72.

Which statement is correct?

a)

matter cycles; energy cycles

b)

matter cycles; energy disintengrates

c)

matter cycles; energy converts

d)

matter converts; energy cycles

73.

Humans burn fossil fuels and wood, releasing carbon dioxide into the atmosphere. This carbon dioxide is then absorbed by trees for photosynthesis. These processes are contributory to which chemical cycle?

a)

The carbon cycle

b)

The water cycle

c)

The nitrogen cycle

d)

The phosphorous cycle

74.

How does the human body return carbon to the atmosphere in the carbon cycle?

a)

Waste products

b)

Photosynthesis

c)

Cellular respiration

d)

Formation of glucose

75.

What do we call it when organisms store energy in their body?

a)

Biomass increase

b)

Waste

c)

Cellular Respiration

d)

Heat loss

Similar Resources on Wayground

Biology Final Review

75 questions

Biology Final Review

quiz

Worksheet

•

9th - 10th Grade

Evolution Review

75 questions

Evolution Review

quiz

Worksheet

•

9th - 10th Grade

BioSci 30 Final

72 questions

BioSci 30 Final

quiz

Worksheet

•

12th Grade

Outcome 5-Genetics-2018

79 questions

Outcome 5-Genetics-2018

quiz

Worksheet

•

9th Grade

Bio 2 Review SEEd Utah

77 questions

Bio 2 Review SEEd Utah

quiz

Worksheet

•

9th - 10th Grade

Exam 3 Review

80 questions

Exam 3 Review

quiz

Worksheet

•

9th - 12th Grade

2022 Review Biotechnology, Evolution,Antibiotic/Pesticide Resis

75 questions

2022 Review Biotechnology, Evolution,Antibiotic/Pesticide Resis

quiz

Worksheet

•

9th Grade

Digestive System Quiz

80 questions

Digestive System Quiz

quiz

Worksheet

•

11th Grade