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WorksheetsSemester 1 biology review
Total questions: 70
Worksheet time: 59mins
Name
Class
Date
1.
Factor in an experiment that a scientist purposely changes
a)
Constant
b)
Control
c)
Dependent Variable
d)
Independent Variable
2.
Factor in an experiment that a scientist wants to observe which may change in response to the independent variable
a)
Dependent Variable
b)
Constant
c)
Independent
d)
Control
3.
stable internal environment
a)
homeostasis
b)
experiment
c)
metabolism
4.
there is a doorway.
a)
inference
b)
observation
5.
He bumped his head.
a)
inference
b)
observation
6.
An experiment for a new asthma medication was set up into two groups. Group one was given the new drug for asthma, while group 2 was given a sugar pill. The sugar pill serves as a
a)
control
b)
dependent variable
c)
experimental variable
d)
constant
7.
Consumer that eats plants
a)
heterotroph
b)
herbivore
c)
producer
d)
community
8.
The rabbit in this food web would be considered a:
a)
Decomposer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
9.
relationship in which two species live closely together
a)
resource
b)
mutualism
c)
succession
d)
symbiosis
10.
In this energy pyramid, which organisms have the most energy available?
a)
Producers
b)
Carnivores
c)
Herbivores
d)
Top Predator
11.
In an ecological pyramid, which type of organism always has the least amount of energy available?
a)
Producers
b)
Herbivores
c)
Carnivores
d)
Top Predator
12.
Which terms best describe heterotrophs?
a)
Plants; producers
b)
Animals; producers
c)
Plants; consumers
d)
Animals; consumers
13.
Heterotroph: Consumer:: Producer:________________________
a)
Autotroph
b)
Detritivore
c)
Omnitroph
d)
Plants
14.
Cattle egrets forage (feed) in fields among cattle. The egret gets easy access to flying insects stirred up by the cattle, and the cattle don't care if they are there or not.
a)
mutualism
b)
commensalism
c)
competition
d)
parasitism
15.
A tapeworm and a cat have this type of relationship.
a)
mutualism
b)
parasitism
c)
commensalism
d)
competition
16.
What type of symbiosis? Hummingbirds feed on nectar from flowers. The flowers are pollinated by hummingbirds as they move from flower to flower.
a)
commensalism
b)
mutualism
c)
parasitism
d)
predation
17.
What is the order of succession shown in this figure?
a)
A, B, C, D
b)
B, A, D, C
c)
C, D, A, B
d)
D, A, B, C
18.
What are examples of pioneer species in a primary succession?
a)
Bushes and Shrubs
b)
Oak trees
c)
Mossess and Lichens
d)
A rose Bush
19.
Final illustration (#8) shows
a)
pioneer species
b)
climax community
c)
only biotic factors
d)
only abiotic factors
20.
What is the carrying capacity of the graph?
a)
1000
b)
8000
c)
800
d)
600
21.
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
22.
__________ are nucleic acid functions
a)
store & transfer genetic info
b)
store & create energy
c)
structure & energy for cells
d)
membrane structure and nutrient transfer
23.
Examples of nucleic acids?
a)
DNA and RNA
b)
carbohydrates
c)
potatoes
d)
meats
24.
Amino acids are the monomers of
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
25.
Waterproofs, insulates, and stores energy long-term
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
26.
Which of the following scientists contributed to the cell theory?
a)
Rudolf Virchow, Robert Hooke, Anton van Leuwenhoek
b)
Matthais Schleiden, Theodor Schwann, Rudolf Virchow
c)
Robert Hooke, Theodor Schwann, Anton von Leuwenhoek
d)
Theodor Schwann, Matthais Schleiden, Robert HookeOption 4 (optional)
27.
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.
28.
The invention of the microscope made it possible for people to discover and learn about
a)
Plants
b)
Skin
c)
Animals
d)
Cells
29.
Has membrane bound organelles
a)
Prokaryote
b)
Eukaryote
c)
both
30.
What kind of cell is this?
a)
Eukaryotic
b)
Prokaryotic
31.
Animal, fungi, plant, and protista cells are all examples of which type of cell?
a)
Eukaryotic
b)
Prokaryotic
c)
Both prokaryotic and eukaryotic
32.
Where is there a high concentration of water?
a)
in the flower
b)
cannot be determined by picture.
c)
in the vase
d)
in the leaves
33.
What is diffusion?
a)
when molecules move from a low concentration to a high concentration
b)
when molecules move from a high concentration to a low concentration.
c)
no movement
d)
molecules move everywhere
34.
Osmosis
a)
diffusion of water molecules through a semi-permeable mebrane from an area of low concentration to an area of high concentration
b)
the diffusion of particles from an area of high concentration to an area of low concentration
c)
diffusion of water molecules through a semi-permeable membrane from an area of high concentration to an area of low concentration
d)
the diffusion of particles from an area of low concentration to an area of high concentration
35.
_______ regulates what enters and leaves a cell.
a)
Cell Membrane
b)
Nucleus
c)
Mitochondria
d)
Cytoplasm
36.
Gives the cell a rigid, box-like shape; outside of the cell membrane; in plants.
a)
cytoplasm
b)
chromatin
c)
cell wall
d)
cell membrane
37.
Which organelle uses energy from sunlight to make sugar?
a)
mitochondria
b)
nucleus
c)
chloroplasts
d)
vacuoles
38.
Which part of the cell is often called "the brain of the cell"?
a)
nuclear membrane
b)
endoplasmic reticulum
c)
nucleus
d)
ribosomes
39.
I make proteins for the cell. What am I?
a)
ribosome
b)
mitochondria
c)
chloroplast
d)
lysosome
40.
I am only found in a plant cell. What am I?
a)
cell wall
b)
mitochondria
c)
cytoplasm
d)
chloroplast
41.
a)
Cytokinesis
b)
Interphase
c)
Anaphase
d)
Metaphase
42.
a)
Anaphase
b)
Cytonkinesis
c)
Interphase
d)
Prophase
43.
When an area of a chromatid is exchanged with the matching area on a chromatid of its homologous chromosome, _________________ occurs
a)
crossing over
b)
mutagenesis
c)
hybridization
d)
fertilization
44.
The cells produced via meiosis are called:
a)
sex cells
b)
somatic cells
c)
body cells
d)
skin cells
45.
How many daughter cells are produced at the end of meiosis?
a)
1
b)
2
c)
3
d)
4
46.
Who is responsible for producing this image?
a)
Francis Crick
b)
James Watson
c)
Rosalind Franklin
d)
Watson and Crick
47.
What does this image show?
a)
Double Helical Structure of DNA
b)
Triple Helical Structure of DNA
c)
I don't know, is that a Rorschach test?
d)
The image is inconclusive
48.
Genotype refers to the ...
a)
physical expression of the genes
b)
the possible combination of alleles in a gene
c)
whether an allele is dominant or recessive
d)
how an organism will appear
49.
An offspring will receive how many alleles from each parent to determine a specific trait?
a)
one
b)
two
c)
three
d)
five
50.
How did Rosalind Franklin's photo 51 affect the work of Watson and Crick?
a)
It was used to determine the physical structure of DNA
b)
It was used to identify the four bases that make up DNA
c)
It was used to determine the theory of independent assortment
d)
It was used to show DNA was the molecule of inheritance
51.
Which cells are more efficient at obtaining nutrients?
a)
Small Cells
b)
Medium Size Cells
c)
Large Cells
d)
X-Large Cells
52.
What tool do you use to view the cells?
a)
metric ruler
b)
centrifuge
c)
microscope
d)
telescope
53.
All living things are made up of...
a)
cells
b)
cell tissues
c)
organ
d)
organ systems
54.
Which of the following scientists concluded that all animals are made of cells?
a)
Rudolf Virchow
b)
Matthais Schleiden
c)
Robert Hooke
d)
Theodor Schwann
55.
Which of the following scientists was the first to observe bacteria under a microscope?
a)
Anton van Leuwenhoek
b)
Matthais Schleiden
c)
Robert Hooke
d)
Theodor Schwann
56.
what is a cell classified as?
a)
a basic unit of structure and function of all living organisms
b)
a unit based on only plants and animals that are living
57.
This produces 2 identical cells.
a)
mitosis
b)
meiosis
58.
What phase is shown in the picture?
a)
anaphase 1
b)
anaphase 2
c)
metaphase 1
d)
telophase 1
59.
Meiosis makes sperm and egg cells. In humans, sperm and egg cells each have _____ chromosomes. Therefore a fertilized human egg cell (sperm and egg cell combined) would create a cell with _____ chromosomes.
a)
23, 46
b)
46, 23
c)
2, 4
d)
50, 100
60.
What causes genetic variation in meiosis?
a)
chromosomes lining up
b)
crossing over of chromosomes
c)
separation of chromosomes
d)
chromosomes pulling apart
61.
Which process and type of resulting cells are represented?
a)
mitosis, gametes
b)
mitosis, body cells
c)
meiosis, gametes
d)
meiosis, body cells
62.
Dominant alleles are represented by a:
a)
Male gene
b)
lowercase letter
c)
recessive trait
d)
capital letter
63.
How many boxes would say BB?
a)
1
b)
2
c)
4
d)
0
64.
What is the genotypic ratio here
a)
TT = 25% Tt= 50% tt=25%
b)
all tall
c)
TT= 75% tt = 25%
d)
Tt = 100%
65.
If B = brown hair and b = blonde hair, what is the probability of brown hair?
a)
25%
b)
50%
c)
0%
d)
75%
66.
In the given scenario what will happen to the organism: salt is poured onto eggplant.
a)
Water will move out of the eggplant cells and the cells will shrink.
b)
Water will move out of the eggplant cells and the cells will swell.
c)
Water will move into the eggplant cells and the cells will swell.
67.
An animal cell placed in a hypertonic (salty) solution will
a)
Shrink
b)
Swell
c)
Stay the same
68.
"Water Fearing"
a)
Hydrophobic
b)
Hydrophilic
c)
Hydroelectric
d)
Hydroloric
69.
How did Rosalind Franklin's photo 51 affect the work of Watson and Crick?
a)
It was used to determine the physical structure of DNA
b)
It was used to identify the four bases that make up DNA
c)
It was used to determine the theory of independent assortment
d)
It was used to show DNA was the molecule of inheritance
70.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains Uracil
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