WorksheetsVA SOL HS Biology Practice # 1
Total questions: 20
Worksheet time: 20mins
Name
Class
Date
1.
A student hypothesizes that green algae will grow fastest under blue light. To test this hypothesis the student should design an experiment with which independent variable?
a)
color of algae
b)
rate of growth
c)
color of light algae is exposed to
d)
Amount of time per day that algae is exposed to light
2.
Under a microscope a series of cells are observed that lack internal membrane bound organelles. Which of these is the most likely cell type?
a)
Plant cell
b)
Animal cell
c)
Prokaryotic cell
d)
Eukaryotic cell
3.
Which of these supports the cell theory as it is stated today?
a)
New cells are produced by division of existing cells
b)
All organisms are composed of more than one cell
c)
Cells must contain a nucleus
d)
Not all cells are alive
4.
The unique properties of water allow life to exist on earth. Which of these is a property of pure water
a)
It's solid form is more dense than it's liquid form
b)
It has a low heat absorption capacity
c)
It is slighly more acidic than air
d)
It dissolves many substances
5.
When viewing a prepared slide under the compound microscope, a student has to remove his glasses. This means he will need to readjust for fine focus with which part labeled above?
a)
1
b)
2
c)
3
d)
4
6.
A student looking through a light microscope saw this cell in cytokinesis. This cell is most likely from —
a)
a plant
b)
a virus
c)
an animal
d)
a bactirium
7.
What statement can be made about members of the same order?
a)
They all belong to the same genus
b)
They all belong to the same class
c)
They belong to the same family
d)
They can all interbreed successfully
8.
Compared to a skin cell, a muscle cell is likely to have more —
a)
Golgi bodies
b)
mitochondria
c)
cell membranes
d)
chloroplast
9.
A team of researchers discovered an enzyme in marine sponges that blocks a certain step of chromosomal separation. Which of these processes would be directly affected by this enzyme?
a)
respiration
b)
diffusion
c)
photosynthesis
d)
mitosis
10.
1.Meiosis is the process by which gametes are produced. In which of the following human organs does meiosis occur?
a)
Testes
b)
skin
c)
liver
d)
pancreas
11.
Why does sexual reproduction result in greater diversity among offspring than does asexual reproduction?
a)
Only mitosis must occur in sexual reproduction.
b)
New combinations of genes result from sexual reproduction.
c)
Sexual reproduction may occur at a faster rate
d)
Mutations are more likely to occur in asexual reproduction.
12.
During meiosis, homologous chromosomes can exchange DNA in a process known as —
a)
replication
b)
internal fertilization
c)
cytokinesis
d)
crossing over
13.
Gametes must be haploid because
a)
gametes are small and can hold only the haploid number of chromosomes
b)
the gametes’ chromosomes will be replicated prior to cell division
c)
two gametes will unite during fertilization to create a diploid cell
d)
fertilization results with a haploid zygote
14.
Which of these is required for cellular respiration?
a)
Sunlight
b)
oxygen
c)
carbon dioxide
d)
chlorophyll
15.
Enzymes only work with specific substrates because each substrate —
a)
has a specific activation site for enzyme attachment
b)
can only use a specific ionic bond with the enzyme
c)
destroys its specific enzyme
d)
actively interferes with other substrates around it
16.
The process of DNA replication is necessary before a cell —
a)
makes a protein
b)
codes for RNA molecules
c)
divides into two cells
d)
modifies lysosome enzymes
17.
Based on the method by which they get food, organisms are classified as autotrophs or heterotrophs. Which organism listed below is correctly paired with its metabolism?
a)
Mushroom - autotroph
b)
Human - heterotroph
c)
Grass - heterotroph
d)
Fish - autotroph
18.
Algae and multicellular plants are autotrophs because they
a)
decomposed dead organisms
b)
absorb nutrients from the soil
c)
break down starches into glucose
d)
capture sunlight and convert the energy into chemical energy
19.
Which of the following is not a characteristic found in all living things
a)
chloroplast
b)
obtaining and using material and energy
c)
responding to stimuli
d)
Reproducing and passing hereditary material to the next generation.
20.
Which of these best describes an organism's ability to maintain the constant internal conditions necessary for life?
a)
homeostasis
b)
stability
c)
reproduction
d)
adaptation
100 %
