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BIOLOGY midterm Flashcards | StudBud
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BIOLOGY midterm
BIOLOGY midterm
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Scientific method, matter, ecology, cell structure, photosynthesis and cellular respiration
Flashcards
78 cards
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Practice quiz
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Host live
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Questions
78
Answers
1
Paramecium are specialized to move through pseudopodia.
True
False
2
Energy is recycled in an ecosystem.
True
False
3
How are herbivores and carnivores alike
They both eat plants for energy
They both produce their own food for energy
They both eat meat for energy
They both consume things for energy
4
10%of energy is transferred from one trophic level to the next
False
True
5
Which is found orbiting the nucleus of an atom
Ions
Electrons
Molecules
Nucleolus
6
The correct order of levels of organization start with individual, followed directly by community
True
False
7
Each step showing the transfer of energy within a food web is called
Food pyramid
trophic level
None
Food chain
8
Which organelle breaks down other organelles that are no longer useful
Mitochondria
ER
Golgi apparatus
Lysosomes
9
Organisms that obtain their energy by eating dead animals are called
Carnivores
Decomposers
Herbivores
Scavengers
10
When salt is dissolved in water, the water is the
Solute
Solvent
Solution
Reactant
11
Which structure makes proteins using codes that come from the nucleus
Vacuole
Golgi apparatus
mitochondria
Ribosome
12
What are the reactants in H2 + O--> H2O
O
H2 and O
None
H2O
13
What type of ion forms when an atom loses electrons
Negative
None
Positive
Neutral
14
Who looked at cork and came up with the word "cells"
Hooke
Schneider
Schwann
Leeuwenhoek
15
Nerve cells are specialized with microvilli.
True
False
16
Basic unit of matter is
Atom
Cell
None
Molecule
17
The main function of the cell wall is to
Store DNA
Support and protect
None
Help the cell move
18
Which organelle would you find in animal cells and not plant cells
Lysosomes
ER
Centrioles
Chloroplasts
19
Solutions with more H+ ions are
Reactants
Bases
Acids
None
20
Bonding in which an electron is shared with another atom is a
Isotope
Ionic bond
Hydrogen bond
Covalent bond
21
Hypotonic environments have more solvent than solute.
False
True
22
What is an example of a prokaryote?
tuberculosis
plant cell
HIV
animal cell
23
What is the molecular explanation why ice floats?
H bonds condence
H bonds expand
H bonds rupture
H bonds first form
24
A sign of a healthy stream
a lot of sediment
high temperature
lack of riffles and ripples
diverse amount of BMIs
25
Which is the smallest level in the hierarchy of life?
atom
molecule
tissue
organelle
26
Carbs, lipids, and nucleic acids are types of
Macromolecules
Organelles
Atoms
Chemical reactions
27
Scientists begin work by
Doing an experiment
Observing
Writing data
Creating conclusions
28
Which element does not make up about 95% of all living things?
C
S
N
H
29
A protein is functioning in its primary structure.
True
False
30
Each of the following are abiotic factors except
Plant life
Temperature
Rainfall
Soil type
31
What would happen to a cell that is placed in an extracellular environment with a greater concentration?
water would leave the cell
the cell would shrink
plasmolysis
all the above
32
Cell specialization allows cells to
Respond to environment
Be less complex
Perform different functions
Reproduce
33
2 or more elements make a
Nucleus
Isotope
Ion
Compound
34
Hypothesis has to be testable
True
False
35
Organisms which break matter down to be return to the environment are called
Producers
Consumers
Decomposers
Scavengers
36
Impervious surfaces can result in
carrying pollution into streams
all the above
increased erosion
eutrophication
37
Diffusion mostly occurs because molecules constantly collide with one another
True
False
38
What is more acidic a solution that has a pH level of 3 or 5
3
5
39
Diffusion of water across a semi permeable membrane is called
Diffusion
Active transport
Osmosis
None
40
Which of the following are not one of the three particles that make up an atom
Ion
Neutron
Electron
Proton
41
Molecules that go from an area of greater concentration to less concentration is
Diffusion
Osmosis
Endoyctosis
Active transport
42
The part of the microscope regulates the amount of light?
Fine focus
Sharp focus
Diaphragm
Objective lens
43
In the water cycle water that is found flowing on land is called
Runoff
Transpiration
Precipitation
Condensation
44
The chemical reaction that breaks down macromolecules into monomers
None
Hydrogen bonding
hydrolysis
dehydration synthesis
45
What water property is shown by a meniscus
Adhesion
Cohesion
None
Polarity
46
Which organelle is needed to build proteins that stay in the cell?
attached ribosomes
golgi body
vesicle
free ribosomes
47
Which population growth model does not take into account limiting factors?
exponential
logistic
48
Which organelle converts chemical energy, glucose into energy the cell can use, ATP?
ER
Nucleus
Golgi apparatus
Mitochondria
49
The branch of biology that deals with organisms and their interactions with the environment
Chemistry
Ecology
Geology
Biology
50
What is at the base of ecological pyramids
Consumers
None
Scavengers
Producers
51
A macrophage engulfing bacteria uses what type of transport?
Endocytosis
Exocytosis
Protein pumps
Osmosis
52
A complex model showing feeding interactions among organisms is a
Biome
Food web
Ecosystem
Food chain
53
The monomer for proteins are monosaccharides.
False
True
54
Which means of transport require energy from the cell
Osmosis
Diffusion
Active transport
None
55
What organisms eat both autotrophs and heterotrophs
Carnivores
Herbivores
Omnivores
None
56
Data that are quantitative are always
the most useful kind of data
represented by numbers
duplicated for verification
described in words
57
What speeds up a chemical reaction
Nucleic acis
Activation energy
Enzyme
None
58
Plants can obtain nitrogen directly from the atmosphere
False
True
59
Sickle cell is an infectious disease.
True
False
60
What is found in the nucleus of an atom
Ion
Proton
None
Electron
61
How do most producers make their food
None
Photosynthesis
Catalyst
Transpiration
62
An experiment with only 1 variable changing is what kind of experiment
Controlled
Independent
Variable
None
63
Which of the following is a function of the nucleus
Packages proteins
Stores sugars
Builds proteins
Stores DNA
64
Independent variable
educated guess
variable that is altered to be tested
variable that remains the same
responding variable in the experiment
65
Nitrogen living in the nodules of plants is an example of the symbiotic relationship, parasitism.
True
False
66
Maintaining a stable internal environment is
Homeostasis
Photosynthesis
Evolution
Metabolism
67
Which subatomic particle is used to help atoms become stable through bonding?
Valence electrons
Neutrons
Protons
Covalent
68
What isn't a characteristic of living things
Reproduces
Grows & develops
Ability to move
Responds to environment
69
Exponential growth can occur from species that are invasive.
False
True
70
Which organelle is involved with movement?
Microtubules
Microfilaments
Chromosomes
Nucleus & nucleolus
71
Energy used to start a chemical reaction is called
None
Enzyme
Catalyst
Activation energy
72
Which cycle relies heavily on bacteria?
water
carbon
oxygen
nitrogen
73
Which organelle modifies, packages and sorts proteins
Nucleus
Lysosomes
ER
Golgi apparatus
74
What water property causes a dome shape on a penny
Polarity
None
Cohesion
Adhesion
75
Substrates contain an active site that is specific to an enzyme.
True
False
76
How do you know a cell is a prokaryote
contains DNA
membrane bound organelles
contains a cell wall
no membrane bound organelles
77
Which organelle do you find in plant cells and not animal cells
Chloroplasts
Mitochondria
None
Lysosomes
78
Tuberculosis is a genetic disease.
True
False
