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Semester Exam Review-Pre-AP

Total questions: 76

Worksheet time: 1hrs 7mins

Name
Class
Date
1.

All the members one one species that live in one area is known as a

a)

ecosystem

b)

community

c)

population

d)

biome

2.

Tapeworms living in a cat's intestine's is an example of what type of symbiosis?

a)

commensalism

b)

mutualism

c)

parasitism

d)

predation

3.

In order for organisms to carry out essential life functions they need _________.

a)

nutrients

b)

wisdom

c)

ecological interactions

d)

the ability to reproduce

4.

True Or False: Energy flows in one direction and nutrients recycle.

a)

True

b)

False

5.

A controlled experiment allows the scientist to isolate and test

a)

a single variable.

b)

a conclusion.

c)

a mass of information.

d)

an experiment.

6.

Symbiosis is the act of __________ together.

a)

living

b)

eating

c)

hunting

d)

competing

7.

Which of the following is NOT a principle of the cell theory?

a)

Cells are the basic units of life.

b)

All cells are produced by existing cells.

c)

Very few cells reproduce.

d)

All living things are made of cells.

8.

A limiting nutrient is

a)

an abundant supply in an ecosystem and can affects an animal’s growth

b)

is in such short supply in an ecosystem and can affects an animal’s growth

c)

an abundant supply in an ecosystem and can't affects an animal’s growth

d)

is in such short supply in an ecosystem and can't affects an animal’s growth

9.

True or False: Secondary succession begins on soil and primary succession begins on newly exposed surfaces.

a)

True

b)

False

10.

True or False: Species make up populations, which make up communities.

a)

True

b)

False

11.

Which is not an example of when secondary succession would occur.

a)

Lava flow after a volcanic eruption

b)

Hurricanes

c)

Lake formation

d)

Fire

12.

Which is a factor that could interrupt the progress of succession?

a)

long-term fluctuations in climate

b)

colonization of surfaces by lichens

c)

different animals appearing at each stage

d)

another natural disturbance

13.

_________ % of energy is transferred from one trophic level to the next.

a)

10

b)

20

c)

50

d)

90

14.

The symbiotic relationship between a flower and the insect that feeds on its nectar is an example of

a)

mutualism

b)

commensalism

c)

parasitism

15.

The lowest level of environmental complexity that includes living and nonliving factors is the

a)

biome

b)

community

c)

ecosystem

d)

biosphere

16.

Which organelle converts the chemical energy stored in food into ATP for the cell to use?

a)

chloroplast

b)

ER

c)

mitochondrion

d)

nucleus

17.

Secondary consumers can be

a)

carnivores

b)

producers

c)

herbivores

d)

vegans

18.

“The bird has brown spots on its wings” is an example of

a)

a hypothesis

b)

a theory

c)

an observation

d)

an inference

19.

A virus' protein coat is called

a)

capsid

b)

envelope

c)

exoskeleton

d)

poly coat

20.

A protein is synthesized from many

a)

amino acids

b)

fatty acids

c)

nucleic acids

d)

monosaccharides

21.

The diffusion of water across a selectively permeable membrane is called

a)

osmosis

b)

facilitated diffusion

c)

turgor pressure

d)

active transport

22.

In dehydration synthesis, the atoms that make up a water molecule come from

a)

both reactants

b)

the products

c)

the enzyme

d)

transpiration

23.

Unlike lytic viruses, lysogenic viruses do NOT

a)

enter the lytic cycle

b)

lyse the host cell immediately

c)

infect host cells

d)

inject DNA or RNA into the host cell

24.

Which organelle converts the chemical energy stored in food into ATP for the cell to use?

a)

chloroplast

b)

ER

c)

mitochondria

d)

lysosomes

25.

True or False: Enzymes are specific to a substrate, therefore form meets function, or shape determines function.

a)

True

b)

False

26.

Bacteriophages infect

a)

bacterial cells

b)

other viruses

c)

fungi cells

d)

plant cell

27.

Which kingdom contains hetertrophs with cell wall of chitin?

a)

plantae

b)

animalia

c)

fungi

d)

protista

28.

During what viral cycle is the host cell destroyed?

a)

lytic

b)

lysogenic

c)

mitosis

d)

DNA replication

29.

Water is the universal __________?

a)

solvent

b)

solute

30.

A red blood cell placed in pure water will?

a)

shrink

b)

swell

c)

stay the same

31.

True or False: Once equilibrium is reached in a cell, there is NO further change in concentration on either side of the membrane.

a)

True

b)

False

32.

What nucleic acid is shown?

a)

DNA

b)

RNA

c)

enzyme

d)

monosaccharide

33.

What nucleic acid is shown?

a)

DNA

b)

RNA

c)

enzyme

d)

monosaccharide

34.

What biomolecule is responsible for encoding and expressing genes?

a)

carbohydrate

b)

lipid

c)

protein

d)

nucleic acid

35.

If you increase the amount of spinach you eat, then you will increase the iron in your blood. Is an example of a

a)

hypothesis

b)

theory

c)

fact

d)

law

36.

If a hypothesis has enough evidence to support it, the hypothesis becomes a(n)

a)

theory

b)

conculsion

c)

inference

d)

variable

37.

The levels of ecological organization from least to most complex are

a)

population, species, ecosystem, abiotic factors, biosphere

b)

biosphere, biome, community,population, ecosystem

c)

biosphere, biome, ecosystem,community, population

d)

population, community, ecosystem, biome, biosphere

38.

Plants are

a)

consumers

b)

herbivores

c)

omnivores

d)

producers

39.
Decomposers 
a)
consume plants & other organisms
b)
consume only plants
c)
absorb nutrients from decaying matter 
d)
only consume other organisms 
40.
A model of all the possible feeding relationships at each trophic level is a _______________. 
a)
food web
b)
food chain 
c)
ecosystem train 
d)
ecology 
41.
Why is only a portion of the energy consumed at one trophic level passed on to the next trophic level?
a)
Energy is lost when moving up the trophic pyramid
b)
At each trophic level some energy is given off as heat and other energy is used by an organism to perform daily functions and processes 
c)
all energy from one trophic level is given off as heat and converted into energy
d)
all energy is consumed at the first trophic level
42.
A dog is harmed by a tick when it sucks the dog’s blood. The tick is benefiting because it is getting nutrients from the dog. This is an example of a ________________. 
a)
parasitic relationship 
b)
mutual relationship 
c)
commensal relationship 
43.

A whale has barnacles that attach to his skin. The barnacles get a free ride from the whale. The whale is not helped by this relationship. This is an example of _________.

a)

commensalism

b)

parasitism

c)

mutualism

d)

competition

44.

What step does every scientific experiment begin with?

a)

testing a hypothesis

b)

observation or identifying a problem

c)

setting up the experiment

d)

drawing conclusions

45.

If a cell is placed in salt water, water leaves the cell by _____.

a)

diffusion

b)

osmosis

c)

active trasnport

d)

phagocytosis

46.

The cell membrane serves a

a)

boundary from the cells environment

b)

powerhouse for the cell

c)

sugar producer

d)

vesicle to move supplies to different parts of the cell

47.

The instructions for making virus copies are

a)

found in bacteriophages

b)

coded in surface proteins attached to the protein coat

c)

coded in DNA or RNA

d)

built into the capsid of the virus

48.

Select all the forms of passive transport.

a)

osmosis

b)

facilitated diffusion

c)

simple diffusion

d)

endocytosis

49.

A cell moves particles from a region of lesser concentration to a region of greater concentration by _____.

a)

osmosis

b)

passive transport

c)

active transport

d)

facilitated diffusion

50.

The range of physical and biological conditions in which an organism lives and the way in which it uses those conditions is known as a ______________.

a)

niche

b)

habitat

c)

trophic level

d)

nutrient

51.

The nucleus _____________. Choose all that apply.

a)

contains information needed to make proteins.

b)

controls most of the cells processes.

c)

stores DNA

d)

makes energy for the cell.

52.

Decomposers that break down dead decaying matter include __________________. Choose all that apply.

a)

bacteria

b)

fungi

c)

herbivores

d)

omnivores

53.

Which organelles are found in plant cells? Choose all that apply.

a)

ribosomes

b)

chloroplast

c)

cell membrane

d)

cell wall

e)

vacuole

54.

If a cell is placed in a strong salt water solution, water will __________________.

a)

pass from the salt solution to the cells

b)

pass back and forth at equal rates

c)

stay in the cell

d)

pass from the cell to the salt solution.

55.

The ______________________ is responsible for maintaining homeostasis with in the cell.

a)

cell wall

b)

plasma membrane

c)

mitochondria

d)

cytoplasm

56.

An animal cell surrounded by fresh water will burst because

a)

water will move into the cell.

b)

water will move out of the cell.

c)

solutes will move into the cell.

d)

solutes will move out of the cell.

57.

Which type of cell transport requires energy input from the cell?

a)

active

b)

passive

c)

diffusion

d)

osmosis

58.
What type of transport is illustrated?
a)
facilitated diffusion
b)
active transport
c)
diffusion
d)
osmosis
59.
In which beaker will water move out of the cell?
a)
left
b)
middle
c)
right
60.
What forms the channels and pumps in the phospholipid bilayer?
a)
carbohydrates
b)
proteins
c)
hydrophilic heads 
d)
lipids
61.
In RNA, Uracil pairs with ______. 
a)
cytosine
b)
adenine
c)
guanine
d)
thymine
62.
The process to go from DNA to mRNA is _______
a)
translation
b)
transcription
c)
replication
63.
The process to go from mRNA to a protein is called ____
a)
transcription
b)
rRNA
c)
replication
d)
translation
64.
What amino acid is represented by the codon UUA?
a)
Phenylalanine
b)
Tyrosine
c)
Leucine
d)
Stop codon
65.
What is the location in the cell for translation?
a)
nucleus
b)
mitochondria
c)
ribosome
d)
chloroplast
66.
What is the three base sequence of mRNA that codes for a single amino acid?
a)
Anticodon
b)
Codon
c)
Protein
67.
What are the backbones (sides) of the DNA structure made up of?
a)
repeating phosphates and sugars
b)
nitrogen bases
c)
nucleotides
d)
adenine and thymine
68.
How many amino acids are coded for by this sequence of nucleotides:
ATG GGA ACT CCA
a)
4
b)
2
c)
6
d)
12
69.
The maintenance of an organism’s internal environment is called:
a)
compensating
b)
homeostasis
c)
balancing
d)
routine
70.
What determines the code, or information, of a DNA molecule?
a)
the shape (structure) of the nitrogen bases
b)
the order (sequence) of the nitrogen bases
c)
the color of the nitrogen bases
d)
the frequency (number) of nitrogen bases
71.
What sugar is in DNA?
a)
deoxyribose
b)
ribose
c)
oxyribose
d)
deoxyose
72.
The sugar in RNA is ____________________.
a)
deoxyribose
b)
ribose
73.

What is represented by the chart?

a)

tRNA

b)

5 carbon sugars

c)

genetic code

d)

carbohydrates

74.
Which of the following statements is not part of the cell theory?
a)
Cells are the basic unit of structure and function in all living things.
b)
All cells are produced from other cells.
c)
Only animal cells are composed of cells.
d)
All living things are composed of cells.
75.

The goat in the food web is a

a)

producer

b)

primary consumer

c)

secondary consumer

d)

second order heterotroph

76.
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

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