In a scientific experiment, a control is

D. an untested comparison group

A section on a chromosome that codes for traits

The rule of ten states

10% of energy is passed through each level

The steps of the scientific method are: observe, state problem,hypothesis ________, conclusion

C. collect data from the experiment

Why can't food chains be long?

Only 10% of energy is passed down

Which is not part of the theory of evolution?

An organism changes its DNA to survive

In a scientific experiment, a variable is

what you are changing and testing

If you believe in spontaneous generation, which jar would provide proof?

A sealed jar with meat & maggots

What benefit does asexual reproduction have?

It is good to replenish the population quickly

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Final Exam Review

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Questions 30

Answers

1
A student put a plant in the dark, what gas is made?
Hydrogen
ATP
Oxygen
Carbon Dioxide
2
In a scientific experiment, a control is
C. observed result
A. something kept the same between groups
D. an untested comparison group
B. independent variable
3
What is a gene?
What an organism looks like
A chemical that causes a mutation
A piece of RNA
A section on a chromosome that codes for traits
4
The correct number of chromosomes in a healthy reproductive human cell is
46
48
24
23
5
What is a reactant of cellular respiration?
Heat
Water
Carbon dioxide
Oxygen
6
This theory believes that bacteria develop from spoiled, non-living, nutrient broth
Bacterialogy
Biogenesis
Creationalism
Spontaneous Generation
7
Which directs all other cell activities?
DNA
RNA
Proteins
Amino Acids
8
The rule of ten states
10% of species in an ecosystem are producers
10% of species in an ecosystem are consumers
10% of energy is passed through each level
A food web can only have 10 species in it
9
Which is not part of the cell theory?
All organisms are made of cells
Cells are the smallest unit of life
Cells are created by biogenesis
Organisms grow by meiosis
10
All these are characteristics of early earth except
toxic gas
volcanic
lightening
oxygen
11
The steps of the scientific method are: observe, state problem,hypothesis ________, conclusion
D. reflect on the wholeexperiment
C. collect data from the experiment
B. make an observation
A. research the hypothesis
12
Bb represents brown eyes. Bb is an organism’s __?__
Phenotype
Allele
Genotype
Mutation
13
Some material is unable to pass through a cell membrane, this is an example of
Transcription
Diffusion
Osmosis
Semi-permeable
14
In order for an experiment to be valid it must
Must have a hypothesis
Be one that scientists can understand
Be repeatable
Have a detailed procedure
15
What is an example of secondary succession?
A new volcanic island
New land created from a river delta
Replanting a field
Inhabiting Mars
16
Why can't food chains be long?
There aren't enough aimals
The number of consumers outnumber producers
Only 10% of energy is passed down
Decomposers would run out of food
17
If this is DNA, AGTTCGTA what is the mRNA
ACUUGCAT
UCAAGCAU
UCAACTGTA
TCAAGCAT
18
If brown eyes is dominant, when could there be blue eyes in the offspring?
ee x EE
ee x EE
EE x Ee
Ee x Ee
19
The cell part responsible for creating ATP
Golgi Body
Nucleus
Mitochondria
Ribosome
20
In this food web, which organism is the First level consumer?
Owl
Mouse
Snake
Green Plant
21
Which is not part of the theory of evolution?
Species that can't adapt die off
An organism changes its DNA to survive
Organisms get more complex over time
Genes and the environment control the success of species
22
In a scientific experiment, a variable is
observed data
the comparison group
conclusion of the experiment
what you are changing and testing
23
Cell B is in
Prophase
Interphase
Anaphase
Telophase
24
If you believe in spontaneous generation, which jar would provide proof?
A sealed jar with meat & maggots
A sealed jar with no meat & no maggots
An open jar with meat & no life
A jar with maggots on top of cheesecloth
25
What one is not density dependent factor?
forest fire
stress
pollution
disease
26
Cell membranes are composed mainly of
ATP
carbohydrates
nucleic acids
lipids
27
A cell is placed in distilled water, what is likely to happen?
Swell
Divide in two
Nothing
Shrink
28
Sexual reproduction is beneficial because
It can reproduce and evolve quicker
Allows organisms to reach carrying capacity
It creates genetic diversity
It takes less time and energy
29
What benefit does asexual reproduction have?
It is good when the environment is changing
It requires a mate
It produces organisms with variety
It is good to replenish the population quickly
30
The scientific name of an organism is made of the
Phylum and Species
Genus and Family
Kingdom and Phylum
Genus and Species

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