wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Africa Storyline Study Guide

Total questions: 36

Worksheet time: 25mins

Name
Class
Date
1.

Gel Electrophoresis separates molecules by

a)

Shape

b)

Color

c)

Size

d)

Atom

2.

This laboratory procedure is known as

a)

CLONING

b)

gel electrophoresis

c)

chromatography

d)

use of a dichotomous key

3.
Which two bear species are most closely related?
a)
Bear 1 and Bear 2
b)
Bear 1 and Bear 3
c)
Bear 2 and Bear 3
d)
There’s no way to tell
4.
DNA fingerprinting works because
a)
Most genes are dominant
b)
All organisms contain RNA
c)
The most important genes are different among most people
d)
No two people, except identical twins, have exactly the same DNA 
5.

Grizzly bears hunt salmon (fish) from a mountain stream. Which statement is true about the bear and the salmon (fish)?

a)

They both migrate

b)

They are both water animals

c)

The salmon is prey for the bear

d)

The bear is prey for the salmon.

6.
Organisms that break down dead plants & animals and release nitrogen back into atmosphere...
a)
bacteria
b)
plants
c)
animals
d)
producers
7.
Organisms that need nitrogen to survive
a)
only plants
b)
only animals
c)
only bacteria
d)
all living organisms
8.
If the atmosphere is 78% N2, why can't we just get our nitrogen by breathing?
a)
We have no mechanism to break the triple bond of nitrogen between the atoms.
b)
Our lungs would be damaged by the N2.
c)
We need Oxygen for cellular respiration.
d)
The legumes take it up first.
9.

What converts nitrogen gas into a usable form for plants and animals?

a)

bacteria

b)

rain

c)

fungi

d)

car exhaust

10.

How do animals get the nitrogen they need?

a)

From the air they breathe

b)

From the water they drink

c)

From the food they eat

d)

From the sun

11.

What is the monomer for proteins?

a)

monosaccharide

b)

glycerol & fatty acid

c)

amino acid

d)

nucleotide

12.

What elements are found in proteins?

a)

carbon, hydrogen, oxygen, nitrogen

b)

carbon, hydrogen, oxygen

c)

carbon, oxygen, nitrogen, phosphorus

d)

carbon, hydrogen, oxygen, phosphorus

13.

Which of the following are the reactants for Photosynthesis?

a)

O2 + Glucose

b)

O2 + H2O

c)

CO2 + H2O

d)

CO2 + Glucose

14.

Which of the following are the products of cellular respiration?

a)

CO2 + H2O + ATP (Energy)

b)

O2 + Glucose

c)

O2 + H2O + ATP (Energy)

d)

CO2 + H2O + light

15.
Organisms such as plants, euglena, and cyanobacteria can photosynthesize and are therefore considered - 
a)
decomposers
b)
producers
c)
heterotrophic
d)
consumers
16.

Unit of energy

a)

Species

b)

Competition

c)

Energy

d)

Kilocalorie

17.

A lion hunts and kills 1 wildebeest. The total energy available from the wildebeest is 25,000 kcal, and the total energy cost per wildebeest is 10,000 kcal. What is the net energy gained by the lion?

a)

25,000 kcal

b)

10,000 kcal

c)

35,000 kcal

d)

15,000 kcal

18.

What is a keystone species?

a)

A species that helps to hold an ecosystem together.

b)

A species that lives in or around rocks.

c)

An introduced species that is not native to the area.

19.

Based on the graph, what happens to the amount of kelp as sea otter numbers decrease?

a)

As the sea otter population decreases, kelp increases.

b)

As the sea otter population decreases, kelp decreases.

c)

As the sea otter population decreases, kelp doesn't change.

20.

According to the graph, how do plants obtain their nitrogen needs?

a)

Denitrification bacteria

b)

Nitrogen fixing bacteria

c)

The "breathe" it in

d)

Plants don't need nitrogen

21.

Photosynthesis and cellular respiration are important for which cycle?

a)

Nitrogen

b)

Carbon

c)

Phosphorus

22.

What percentage of energy gets transferred to each level in the energy pyramid?

a)

1

b)

10

c)

50

d)

100

23.

What organisms use cellular respiration?

a)

Animals

b)

Plants

c)

Both

24.

Phytoplankton

a)

Producer

b)

Consumer

25.

Occurs in plants

a)

photosynthesis only

b)

cellular respiration only

c)

photosynthesis and cell respiration

d)

all of the above

26.

According to the image, what is the producer?

a)

plant

b)

insect

c)

mouse

d)

snake

27.

What are "producers" producing?

a)

the energy for the food chain

b)

the insects for the food chain

28.

The word "primary" means "first."

If that's true, what does primary consumer mean?

Hint: look carefully at the food chain!

a)

the first organism in a food chain

b)

the first organism that consumes something else for energy

29.
The arrows in a food chain or web represents what?
a)
They point to the organism that is being eaten.
b)
It shows how sunlight flows within an ecosystem.
c)
They show what direction the energy is flowing between organisms. 
d)
They represent how water is transferred within a habitat.
30.

This is the largest number of individuals of a population that the environment can support...

a)

carrying capacity

b)

population crash

c)

lag phase

d)

mutualism

31.
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. 
32.
Organisms of a lower trophic level have a comparatively __________ number compared to organisms of the higher trophic level in order to support them.
a)
larger
b)
smaller
33.
Which organism recieves the least amount of energy from the producer?
a)
Owl
b)
Grasshopper
c)
Lilypad
d)
Mouse
34.
All energy on Earth ultimately comes from what source?
a)
Water
b)
Sun
c)
Consumers
d)
Oxygen
35.
If there is more food than usual in an ecosystem, then the population will mostly likely...
a)
stay the same
b)
decrease
c)
increase
d)
reach carrying capacity
36.

In a forest ecosystem, which of the following is the best example of a limiting factor for a rabbit population?

a)

The squirrel population

b)

The amount of sunlight

c)

Amount of grass available

d)

Rabbits have no limiting factors

Similar Resources on Wayground

Ecology

37 questions

Ecology

quiz

Worksheet

•

11th - 12th Grade

Plant Tissues and Processes Practice

35 questions

Plant Tissues and Processes Practice

quiz

Worksheet

•

9th - 12th Grade

BIO270 Homeostasis & Excretory System

35 questions

BIO270 Homeostasis & Excretory System

quiz

Worksheet

•

11th Grade - University

REMEDIAL BIOLOGI KELAS XI

40 questions

REMEDIAL BIOLOGI KELAS XI

quiz

Worksheet

•

10th Grade

DNA, RNA, Replication & Transcription

40 questions

DNA, RNA, Replication & Transcription

quiz

Worksheet

•

9th - 12th Grade

Genetics - incomplete dominance, codominance, sex-linked traits

34 questions

Genetics - incomplete dominance, codominance, sex-linked traits

quiz

Worksheet

•

8th - 9th Grade

How is there so much diversity?

37 questions

How is there so much diversity?

quiz

Worksheet

•

9th - 10th Grade

Biology Common Assessment Review

31 questions

Biology Common Assessment Review

quiz

Worksheet

•

9th - 10th Grade