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Biology midterm review 2024 Flashcards | StudBud
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Biology midterm review 2024
Biology midterm review 2024
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1
In what ways are herbivores and carnivores alike?
both are autotrophs
both use photosynthesis
both consume producers
both consume other organisms
2
What is the function of the cell membrane?
None of these
controls what enters and exits the cell
produces energy
store energy
3
What are the three parts of the cell theory?
All of the above.
Cells are the basic units of structure and function
All living things are made of cells
New cells are produced from pre-existing cells
4
What are found in the space surrounding the nucleus of an atom?
neutrons
protons
ions
electrons
5
Which scientist pair is credited with the discovery of DNA's structure?
Curie and Franklin
Mendel and Morgan
Watson and Crick
Darwin and Wallace
6
What are isotopes
Two atoms with different number of neutrons
Two atoms with different number of electrons
Two atoms with different number of protons
Two different types of atoms
7
Plants are
herbivores.
primary consumers.
omnivores.
primary producers.
8
a covalent bond is formed by the
transfer of electrons
gaining of electrons
losing of electrons
sharing of electrons
9
How much energy is passed from one organism to another in a food web?
90%
5%
100%
10%
10
In the egg lab, the hypotonic solution was:
corn syrup
water
11
Animals that get energy by eating the carcasses of other animals
heterotrophs.
detritivores.
scavengers.
omnivores.
12
Which organelle contains substances that digest worn out organelles and food
Ribosomes
Nucleus
Lysosomes
Chloroplast
13
Define diffusion
passive movement particles from high to low concentration
movement of water from high to low concentration
movement of organelles from high to low concentrations
movement of particles from low to high concentrations
14
Organisms that make their own food are called
autotrophic
heterotrophic
15
The diffusion of water across a selectively permeable membrane is:
Osmosis
Solute
Active transport
Tonicity
16
A symbiotic relationship in which both members benefit
Mutualism
Monogomy
Parasitism
Commensulism
17
What Is The Cell Wall Function?
Provides protection and lets things in and out of the cell.
It controls everything in the cell.
Provides protection and support.
Uses sun to produce food.
18
Identify organelle 3
cell membrane
ER
mitochondria
Golgi body
19
all of the life on Earth exists in
niche
habitat
ecosystem
biosphere
20
The branch of biology dealing with interactions among organisms and the environment
modeling
economy
recycling
ecology
21
Which cell structure makes proteins?
ribosome
mitochondria
golgi apparatus
cholorplast
22
Identify organelle I
nucleus
vacuole
Golgi body
chloroplast
23
A substance with a pH of 5 is
Acid
Neutral
Base
24
Which element do almost all organic biological molecules contain?
carbon
water
nitrogen
sodium
25
A personal preference or a point of view is
an inference
a theory
a bias
a hypothesis
26
What is the term for each step in the transfer of energy and matter within a food web?
energy path
trophic level
food chain
food pyramid
27
What kind of particle transport requires energy?
Osmosis
facilitated diffusion
disrupts homeostasis
active transport
28
If an atom contains 11 protons and 12 neutrons, its atomic number will be:
12
11
1
23
29
An animal cell that is surrounded by fresh water will
shrink because solutes will move out of the cell
burst because solutes will move into the cell
burst because osmotic pressure causes H2O to move into cell
shrink bc osmotic pressure causes H2O to move out of cell
30
A complex model showing feeding interactions among organisms is a
Biome
Food Chain
Food Web
Ecosystem
31
Which of the following is NOT an abiotic factor?
light intensity
temperature
salinity
plants
32
If an atom contains 3 protons, 4 neutrons, and 3 electrons its atomic mass is
7
3
4
10
33
a series of steps in which a large fish eats a small fish that has eaten algae is a
food web
pyramid of numbers
pyramid of biomass
food chain
34
Which of these are decomposers?
pig
bacteria
worm
mushroom
35
Which of these is an example of mutualism?
Tongue-eating isopod and trout
A fish protecting a shrimp, who builds a burrow for them to share
A peacock courting and mating a peahen
Lamprey and fish
36
Water molecules are polar, with
the O side being negative; H side being positive
the O and H sides being slightly positive
the O side being slightly positive; H side being negative
the O and H sides being slightly negative
37
The three particles that make up an atom are?
Compounds, Molecules, and Protons
Molecules, Neutrons, and Electrons
Protons, Compounds, and Electrons
Protons, Neutrons, and Electrons
38
Which organelle converts the chemical energy stored in food into useable energy?
mitochondrion
chloroplast
diddly boppers
endoplasmic reticulum
39
When using the microscope, it is important to focus first on ________ power
low
100X power
oil immersion
high
40
Identify the
REACTANTS
in the chemical equation below:
CO2
CO2 and H2O
C6H12O6 and 6O2
C6H12O6
41
What is a heterotroph?
An organism that makes its own food by chemosynthesis
An organism that eats only plants.
An organism that makes its own food by photosynthesis.
An organism that gets its food by eating other organisms
42
How many meters are in 2.4 kilometers?
24,000
24
2400
240
43
What does a vacuole do in a cell?
stores food, water and waste
gives a cell its shape
nothing
creates energy
44
Define solution
a amount of solute dissolved in a certain amount of solvent
a substance that changes color in the presence of a base
compound that produce hydroxide ions when dissolved in water
Mix that forms when one substance evenly dissolve in another
45
A tool used by scientist to enlarge and view samples that are very small to be seen by the naked eye.
test tube
seismograph
microscope
telescope
46
What is at the base of all ecological pyramids?
consumers
producers
decomposers
scavengers
47
The occular lens on a microscope has a 10x mag and you are using the 40x objective, ____ is the total magnification?
400X
140X
1040X
100X
48
Which of the following descriptions about the organization of an ecosystem?
Communities make up species, which make up populations.
Populations make up species, which make up communities.
Species make up communities, which make up populations.
Species make up populations, which make up communities.
49
What are the base pair rules?
C-T & A-G
A-T & C-G
C-G & A-A
A-U & C-G
50
What type of sugar is found in DNA
Ribose
Dextrose
Sucrose
Deoxyribose
51
If a substance has a pH of 6 what is it
acid
I don't now
base
a substance
52
What is the proper way to carry a microscope?
One hand on the arm and one hand on the base.
By balancing it on your head.
By the cord.
By the eyepiece.
53
In a salt water solution, salt is the ___________
Solute
Solvent
54
The basic unit of length is the:
Inch
Liter
Meter
Gram
55
Which of the following is NOT a characteristic of all living things?
ability to reproduce
ability to move
response to the environment
growth and development
56
What is commensalism?
One organism benefits and the other is neither harmed nor benefitted.
One benefits while harming the other
Both organisms benefit
Neither benefits
57
What is the difference between primary and secondary succession?
Secondary only happens in forests, primary on islands.
Primary comes first and then secondary.
Primary starts on bare rock, secondary has soil.
Primary is more common than secondary.
58
What makes water polar?
It contains oxygen
there are hydrogen bonds between adjacent water molecules
hydrogen and oxygen are linked with covalent bonds
electrons in the covalent bonds are not shared equally
59
What type of ion forms when an atom loses electrons
positive
negative
radioactive
neutral
60
The energy needed to get a reaction started is the
adhesion energy.
chemical energy.
activation energy.
cohesion energy.
61
Looking at a cell under a microscope, you note that it is a prokaryote. How do you know?
The cell lacks cytoplasm
The cell lacks a nucleus
The cell lacks genetic material.
The cell lacks a cell membrane
62
Enzymes affect the reactions in living cells by lowering the
temperature of the reaction.
speed of the reaction.
active site energy of the reaction.
activation energy of the reaction.
63
An example of a human caused disturbance is
A hurricane
Growing lichens
Forest clearing
Wildfires
64
Who named cells as "cells"
Hooke
Somone in our class
van Leewenhoek
Schwann and Schleiden
65
An atom that has lost or gained electrons.
Neutron
Proton
ion
Electron
66
Which of the following organisms are prokaryotes?
plants
bacteria
animals
fungi
67
Estuaries are commercially important because
tall buildings can be built in estuaries.
lumber trees grow in estuaries.
fish species that people buy and sell live in estuaries.
68
Which organelles are found in plant cells, but not in animal cells?
Centrioles and Mitochondria
Vacuole and Mitochondria
Chloroplast and Cell Wall
Cell wall and Nuclear Membrane
69
If an atom contains 11 protons and 12 neutrons, its atomic number is
11
12
1
23
70
What type of chemical bond connects the complementary bases of DNA to each other?
Nonpolar covalent bonds
Hydrogen bonds
Polar covalent bonds
Ionic bonds
71
Identify organelle 10
Golgi body
mitochondria
mitochondria
nucleus
72
A scientific hypothesis
is a proven fact
is based on personal beliefs
can be tested by experiments
73
The cell membrane contains channels and pumps. What are these channels and pumps made of?
Protein
Bilipds
Carbohydrate
Lipids
74
What is the function of a nucleus?
Stores material
Supports
Contains nearly all the cell's DNA
Protects
75
Factor that is manipulated or changed by the experimenter.
Independent Variable
Dependent Variable
Controlled Variable
76
What is the basic structural unit of DNA?
Nitrogenous Base
Nucleotide
Deoxyribose nucleic acid
Amino Acids
77
What is the part of the microscope that controls how much light enters the microscope?
diaphragm
coarse adjustment knob
revolving nosepiece
fine adjustment knob
78
What is found in the space surrounding the nucleus of an atom?
protons
neutrons
none of these are choices are correct
electrons
79
What is a chemical reaction?
keeping materials the same properties
changing materials into different atoms in the same bond
changing properties into props for the next stage
changing materials into new materials into different properties
80
During a controlled experiment, a scientist isolates and tests
a control group.
a conclusion.
a mass of information.
a single variable.
81
Science is described as:
a list of rules
A way of knowing
A set of unchanging facts
A collection of beliefs
