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Biology Fall Final 2019 part 1 Flashcards | StudBud
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Biology Fall Final 2019 part 1
Biology Fall Final 2019 part 1
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EXAM REVIEW
Flashcards
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Questions
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Answers
1
The nucleus of an atom is made up of
protons and electrons
protons and neutrons
electrons and neutrons
protons, neutrons and electrons
2
Water molecules are polar with the
O2 side being slightly - and the H side being slightly +
O2 side being slightly + and the H being slightly -
O2 and H sides being slightly -
O2 and H sides being slightly +
3
The one variable changed between the control group and the experimental group is called the
controlled variable
confounding variable
dependent variable
independent variable
4
Active transport moves materials in a direction ...
from high to low concentration
towards equilibrium
none of the above
from low to high concentration
5
The purpose of photosynthesis is to...
create water and glucose
create glucose
create oxygen gas
breakdown carbon dioxide
6
Carbon cycles through the biosphere in all of the following processes EXCEPT...
photosynthesis
burning of fossil fuels
decomposition
evaporation
7
A snake that eats a frog that has eaten an insect that fed on a plant is
second-level producer
first-level consumer
first-level producer
third-level consumer
8
A covalent bond is formed as the result of...
sharing an electron pair
transferring protons
transferring electrons
sharing a proton pair
9
Matter can be recycled through the biosphere because...
matter is passed out of the body by waste
biological systems do not use up matter, they transform it
matter is assembled into chemical compounds
biological systems use only carbon,oxygen,hydrogen, nitrogen
10
In science, a hypothesis is useful only if...
it can be proven incorrect
it can be proven correct
it can be tested
the explanation is already known
11
Which organelle makes proteins using coded instructions that come from the nucleus?
mitchrondria
ribosome
golgi apparatus
vacuole
12
What are the reactants in the equation for cellular respiration?
glucose and oxygen gas
water and glucose
carbon dioxide and water
oxygen and lactic acid
13
Which type of molecule is arranged in a bilayer and makes up most of the cell membrane?
lipids
proteins
nucleic acids
carbohydrates
14
This is kept the same throughout all groups within an experiment..
independent variable
dependent variable
confounding variable
controlled variable
15
Diffusion is the movement of molecules from...
an area of equilibrium to an area of high concentration
an area of high to low concentration
an area of low to high concentration
an area of equilibrium to an area of low concentration
16
What is the correct equation for cellular respiration?
oxygen gas + glucose= carbon dioxide+ water+ ATP
carbon dioxide + water+ ATP = oxygen gas and glucose
carbon dioxide + water= oxygen gas + glucose + ATP
oxygen gas + glucose + ATP = carbon dioxide + water
17
To determine if a new diet medication will make dogs lose weight, the independent variable is
the dogs
measuring weight loss
the amount of food the dogs eat
the medication
18
The bond holding the hydrogen atoms to an oxygen atom in a molecule of water is ...
a hydrogen bond
a ionic bond
a polar covalent bond
a non polar covalent bond
19
An organ system is a group of organs that...
are made up of similar cells
are made up of similar tissues
work together to perform a specific function
work together to do every function in multicellular organism
20
When enough experimental data support a hypothesis, the hypothesis becomes a(n)
inference
fact
conclusion
theory
21
The ability of water molecules to stick to other water molecules is known as
high specific heat
covalent bonding
cohesion
adhesion
22
When a researcher uses senses in order to gather information, the researcher is making a(n) ...
theory
observation
hypothesis
inferences
23
Which organelle captures the sun's energy and uses it to produce sugars in photosynthesis?
chloroplast
endoplasmic reticulum
ribosome
mitochondrion
24
Biology is the study of ...
the environment
the living world
animals and plants only
the land, water, and air on Earth
25
Which organ system supports and protects the body while giving it shape and form?
reproductive
integumentary
circulatory
skeletal
26
pH of 1 is a ...
none of the above
strong alkaline
strong acid
strong base
27
A controlled experiment allows the scientist to isolate and test
a single variable
a conclusion
several variables
a mass of information
28
the bond holding one water molecule to another is a...
ionic bond
hydrogen bond
non polar bond
covalent bond
29
The space surrounding the nucleus of an atom contains...
neutrons
ions
electrons
protons
30
Which organ system coordinates the body's responses to changes in its environment?
skeletal
nervous
endocrine
muscular
31
Which of the following types of organisms only eat other heterotrophs?
autotrophs
herbivores
omnivores
carnivores
32
Which is the best description of activation energy?
heat stored within the reactant molecules
heat added to initiate a reaction
heat stored within the product molecules
heat released as the reaction proceeds
33
Which of the following organic compounds is the primary source of energy for living things?
proteins
carbohydrates
lipids
nucleic acids
34
protons 8, neutrons 8.... atomic mass is ...
neutral
8
16
0
35
A substance formed by the combination of two or more elements in definite proportions
enzyme
compound
nucleus
isotope
36
Looking at a cell under a microscope, you note it is a prokaryote. How do you know?
the cell lacks genetic information
the cell lacks a nucleus
the cell lacks a cell membrane
the cell lacks cytoplasm
37
What is the weakest acid listed?
pH 1.0
pH 11.1
pH 6.2
pH 8.5
38
Which organ system helps get oxygen into our blood and move carbon dioxide out?
respiratory
nervous
endocrine
circulatory
39
How are cellular respiration and photosynthesis almost opposite processes?
photosynthesis removes CO2 cell respiration puts it back
photosynthesis creates energy cell respiration releases it
photosynthesis releases energy cell respiration stores it
photosynthesis removes oxygen cell respiration puts it back
40
Which of the following organisms are prokaryotes?
fungi
animals
plants
bacteria
41
A group of similar cells that perform a particular function is called a(n)...
division of labor
organ system
tissue
organ
42
Organisms that have the ability to make their own food are called...
eukaryotes
heterotrophs
thylakoids
autotrophs
43
The ability of water molecules to stick to another surface is known as...
adhesion
high surface tension
cohesion
high specific heat
44
Which of the following is NOT a characteristic of all living things?
ability to move
growth and development
response to environment
ability to reproduce
45
Identify the reactants.... CO
2
+ H
2
0 > C
6
H
12
0
6
+ O
2
H20 & C6H1206 + O2
C6H1206 + O2
CO2
CO2 + H20
46
A stem cell has potential medical uses because it...
is not specialized in a structure or function
is similar to a cancer cell, providing a study system
undergoes a process of programmed cell death
undergoes mitosis many times
47
An atom with an atomic # of 7 and an atomic mass of 14 would have...
7 protons and 14 neutrons
7 protons and 7 neutrons
7 neutrons and 8 electrons
7 neutrons and 14 electrons
48
4 organic compounds are...
monosaccharides/ fatty acids/glycogen/ glucose
protons/electrons/neutrons/isotopes
carbohydrates/lipids/proteins/nucleic acids
enzymes/catalysts/DNA/RNA
49
If an atom contains 11 protons and 12 neutrons, its atomic number is
11
12
1
23
50
CO
2
is removed from a plant, what happens to the plant's production of high energy sugar?
fewer sugars will be produced
more sugars will be produced
CO2 doesn't affect the production of high energy sugars
the same number of sugars will be produced but without CO2
51
Which organ system helps to protect the body by producing immune cells
circulatory (bone marrow)
respiratory
nervous
digestive
52
Information gathered from measuring a tree 5 m tall is a (an)
qualitative observation
quantitative observation
inference
hypothesis
53
Enzymes affect the reactions in living cells by changing the
pH of the reaction
speed of the reaction
products of the reaction
temperature of the reaction
54
The diffusion of water across a selectively permeable membrane is called...
active transport
osmosis
osmotic pressure
facilitated diffusion
55
Which is NOT a principle of the cell theory?
all living things are made of cells
cells are basic unit of life
very cells reproduce
cells are produced from existing cells
56
Which statement is in order from complex to simple?
ecosystem, biosphere, community, individual
biosphere, individual, community, ecosystem
organ, tissue, organ system, cell
organism, organ system, organ, tissue, cell
57
Which of the following is an organ of the digestive system?
nerve tissue
epithelial tissue
muscle cell
stomach
58
An ionic bond forms as a result of
sharing an electron pair
transferring protons
sharing a proton pair
transferring electrons
