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WorksheetsGeneral Bio Test 2
Total questions: 42
Worksheet time: 26mins
Name
Class
Date
1.
The bond in a water molecule between hydrogen and oxygen is what type of bond
a)
polar covalent
b)
nonpolar covalent
c)
ionic
d)
hydrogen
2.
Water will stick to other molecules of water. This is called
a)
adhesion
b)
cohesion
c)
sticky ends
d)
covalent bonding
3.
Water interacts with other water molecules due to the partial charges present on the hydrogen and oxygen atoms. This allows what type of bonds to form?
a)
covalent
b)
ionic
c)
polar covalent
d)
hydrogen
4.
The solid frozen form of water (ice) is ________dense than the liquid form.
a)
more
b)
less
5.
Amino acids are linked together to form proteins. Amino acids are the ________and proteins are the ________.
a)
monomer.....polymer
b)
polymer....monomer
c)
long chains....single units
d)
nucleotides....DNA
6.
DNA is made of __________.
a)
amino acids
b)
monosaccharides
c)
polysaccharides
d)
nucleotides
7.
Monosaccharides can be linked together to form disaccharides or polysaccharides by _________
a)
condensation
b)
hydrolysis
c)
dehydration synthesis
d)
polysynthesis
8.
Hydrolysis will break apart polymers into their single monomer units. This process involves the
a)
addition of water
b)
removal of water
c)
addition of sugar
d)
removal of sugar
9.
Glucose and fructose are isomers. Which of the following would be true?
a)
They both have the same structure
b)
have the same chemical formula
c)
are made of different atoms
d)
have no difference in function
10.
Which of the macromolecules is the genetic material (is passed to children)?
a)
Protein
b)
DNA
c)
Carbohydrates
d)
Lipids
11.
Which macromolecule is represented by the picture shown?
a)
protein
b)
lipid
c)
carbohydrate
d)
DNA
12.
Which type of fat will pack tightly into a solid?
a)
saturated
b)
unsaturated
13.
Which type of fat has been shown to be better for your health?
a)
saturated
b)
unsaturated
14.
Which macromolecules contains deoxyribose sugar?
a)
RNA
b)
carbohydrate
c)
Protein
d)
DNA
15.
Which of the following is true about a comparison between DNA and RNA
a)
Both are made of amino acids
b)
Both are made of monosaccharides
c)
both are made of nucleotides
d)
both have deoxyribose sugar
16.
Which of the following is NOT one of the nitrogenous bases found in DNA?
a)
ribose
b)
cytosine
c)
guanine
d)
adenine
17.
Which nitrogenous bases pair in DNA to hold together the double stranded molecule?
a)
ribose and deoxyribose
b)
adenine and thymine
c)
cytosine and adenine
d)
sugar and phosphate
18.
Which nitrogenous base is not found in RNA
a)
thymine
b)
adenine
c)
uracil
d)
guanine
19.
There are ____different bases in DNA and _____different amino acids in proteins
a)
20....4
b)
5....20
c)
4....20
d)
20....5
20.
The picture shows the results after testing for glucose using benedict's reagent. The tube on the left has water and benedict's and the tube on the right has candy containing glucose and benedict's. You test an unknown sample with benedict's and it is blue after testing. This means
a)
the unknown sample has glucose
b)
the unknown sample has protein
c)
the unknown sample does not have glucose
d)
the unknown sample has lipids
21.
A group of the same species living together is a(n)
a)
community
b)
ecosystem
c)
population
d)
biosphere
22.
In a forest, there are bears, deer, raccoons, squirrels, trees, and plants. These living organisms make up a(n)
a)
ecosystem
b)
community
c)
population
d)
tribe
23.
The interaction between living and nonliving organisms makes up a(n)
a)
ecosystem
b)
population
c)
food chain
d)
community
24.
True or False In a food web, an organism only affects the organisms that it eats.
a)
True
b)
False
25.
A plant which makes sugar through the process of photosynthesis would be at which trophic level?
a)
Trophic level 1
b)
Trophic level 2
c)
Trophic level 3
d)
Trophic level 4
26.
An herbivore would be at which trophic level?
a)
Trophic level 1
b)
Trophic level 2
c)
Trophic level 3
d)
Trophic level 4
27.
True or False By eating a plant, you gain 100% of the energy available in that plant.
a)
True
b)
False
28.
A cow eats grass and you eat the cow (a hamburger). How much of the initial energy from the grass are you getting when you eat the hamburger?
a)
1%
b)
5%
c)
10%
d)
100%
29.
What is biomass?
a)
the mass of the biosphere
b)
the water in a living organism
c)
the mass of living material minus the water
d)
the mass of an ecosystem including living and nonliving material
30.
If the greenhouse effect is occurring, which would likely make it worse?
a)
planting trees to reduce the carbon in the atmosphere
b)
reducing emissions from cars
c)
deforestation (cutting down trees)
d)
decreasing the amount of fossil fuels burned
31.
True or False Carbon is stored in fossil fuels
a)
True
b)
False
32.
True or False Nitrogen gas makes up a majority of our atmosphere
a)
True
b)
False
33.
True or False We obtain nitrogen for biological use by breathing.
a)
True
b)
False
34.
True or False All plants are able to fix nitrogen for use by living organisms
a)
True
b)
False
35.
Why are we unable to obtain our nitrogen from the atmosphere?
a)
nitrogen gas is at too high an altitude
b)
nitrogen gas is connected with a triple bond which is too strong for use to break
c)
the oxygen prevents us from getting nitrogen
d)
our nasal passages filter out the nitrogen before we can get it
36.
Bacteria that fix nitrogen and live in the nodules of legumes are in a _________relationship with the legumes
a)
symbiotic
b)
parasitic
c)
lethal
d)
noncontributing
37.
The purpose of adding bacteria in our experiment with the individual fish aquariums was to
a)
increase the ammonia levels
b)
decrease the ammonia levels
38.
True or False Nitrogen is important in living organisms because it is in DNA
a)
True
b)
False
39.
Which organism is able to fix the nitrogen for other living organisms?
a)
plants
b)
legumes
c)
bacteria
d)
herbivores
40.
Phosphorous is present in the atmosphere like nitrogen
a)
True
b)
False
41.
Fertilizers are used to increase the yield of crops but when an excess of nitrogen and phosphorous enters our waters, it can become a form of
a)
pollution
b)
nutrients for fish
c)
healthy additive to the water
d)
positive addition to the water ecosystem
42.
True or False Haber was awarded a nobel prize for the scientific advancements he made while trying to produce weapons for Germany
a)
True
b)
False
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