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IB bio Post Test Review
IB bio Post Test Review
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1
What is the ultimate source of genetic variability?
Inbreeding
Reproduction
Mutation
Radiation
2
Which organelles help provide cells with energy?
Smooth ER
Rough ER
Mitochondria and Chloropasts
Golgi Apperatus and Ribosomes
3
Which of the following is the correct sequence of events in cellular respiration?
Glycolysis→Fermentation→Krebs Cycle
Glycolosis→Krebs Cycle→Electron Transport
Krebs Cycle→Glycolysis→Electron Transport
Krebs Cycle→Electron Transport→Glycolysis
4
A Monosaccharide is a
protein
carbohydrate
lipid
nucleic acid
5
Which of the following is a nucleotide found in DNA?
Ribose + Phosphate Group + Uracil
Ribose + Phosphate Group + Thymine
Deoxyribose + Phosphate Group + Cytosine
Deoxyribose + Phosphate Group + Uracil
6
The structures labeled B is called...
sister chromatids
centrioles
spindles
centromeres
7
Genes contain instructions for assembling...
purines
proteins
pyrimidines
nucleosomes
8
Cancer is a disorder in which some cells have lost the ability to control their...
surface area
growth rate
size
spindle fiber
9
A Mom that has A+ Blood has a daughter with O+ and a son with B-.What genotype is the son?
IBIB
ii
IBi
IAIA
10
The Calvin Cycle is another name for.....
Light-Dependent Reactions
Photosynthesis
All of the Above
Light-Independent Reaction
11
If an organism's diploid is number 12. It's Haploid number is....
6
3
24
12
12
Which of these processes takes place in the cytoplasm of a cell?
All of The Above
Krebs Cycle
Electron Transport
Glycolosis
13
Which process is used to produce beer and wine?
Lactic Acid Fermenration
Glycolysis
Alcoholic Fermentation
Krebs Cycle
14
What enzyme found in saliva breaks chemical bonds between the sugar monomers in starches?
Pepsin
Amylase
Hydrochloric Acid
Chyme
15
An adaption is an inherited characteristic that can be....
Acquired during the organism's lifetime
the result of artificial selection
Physical or Geographical
Physical or Behavioral
16
A cross of a Red Cow (RR) with a White Bull (WW) Produces an offspring (RRWW). This is known as
Incomplete Dominance
Codominance
Polygenic Inheritance
Multiple Alleles
17
Photosynthesis uses sunlight to convert water and carbon dioxide into....
Oxygen and High-Energy Sugars
ATP and Oxygen
Oxygen
High-Energy Sugars
18
What is the correct equation for Cellular Respiration?
6CO2 + 6H2O + Energy→6O2+C6H12O6
6O2+C6H12O6→6CO2 + 6H2O + Energy
6CO2 + 6H2O→6O2+C6H12O6+ Energy
6O2+C6H12O6 + Energy→6CO2 + 6H2O
19
A Substance that accelerates the rate of a chemical reaction is called a(an)
Molecule
Elements
Catalyst
Lipid
20
According to Darwin's Theory of natural selection,indivual that survive are best adapted.Due to
choices made by plant and animal breeders
Lack of competition within the species
Possesion of adaptations developed through use.
Possesion of inherited adaptations that maximize fitness.
21
Biology is the Study of ....
the land, water, and air on earth
the environment
the living world
animals and plants only
22
The two main types of Fermentation are called....
Alcoholic and Aerobic
Alcoholic and Lactic acid
Lactic Acid and Anaerobic
Aerobic and Anaerobic
23
An animal that is surronded by fresh water will burst because the osmotic pressure causes
solutes to move out of the cell
solutes to move into the cell
water to move out of the cell
water to move into the cell
24
Which of the following organisms are prokaryotes?
all of the above
animals
plants
bacteria
25
The process of making changes in the DNA code of a living organism is called
Genetic Engineering
Hybridization
Inbreeding
Selective Breeding
26
Which of the following organic compounds is the main source of energy for living things?
Lipid
Nucleic Acid
Carbohydrates
Proteins
27
Organisms that have two identical alleles for a particular trait are said to be
homozygous
heterozygous
dominant
hybrid
28
When during the cell cycle is a cell's DNA replicated
G2 Phase
S Phase
M Phase
G1 Phase
29
Which of the following represents the phases of mitosis in their proper sequence?
Interphase, Prophase, Metaphase, Anaphase, Telophase
Innterphase, Prophase, Metaphase, Telophase
Prophase, Metaphase, Anaphase, Telophase
Prophase, Metaphase, Anaphase, Telophase, Cytokinesis
30
WHich is the correct direction of blood flow?
Right Atrium→Left ATrium→Pulmonary Artery
Left Ventricle→Pulmonary Artery→Aorta
Right Atrium→Right Ventricle→Pulmonary Artery
Left Ventricle→Left Atrium→Aorta
31
All the interconnected feeding relationshsips in an ecosystem make up a food
Chain
Web
Interaction
Network
32
The basic unit of mass is
meter
ounce
gram
liter
33
What kind of structure does the picture show?
DNA Molecule
Protein
Amino Acids
RNA Molecule
34
Which of the follwoing is NOT a principle of the cell theory
all living things are made of cells
cells are the basic units of life
all cells are produced by existing cells
very few cells reproduce
35
Which cell structure contains the cell's genetic material and controls the cell's activites?
nucleus
organelle
cell envelope
cytoplasm
36
What happens during the process of translation?
MRNA is made from DNA
Copies of DNA are made
MRNA produces proteins
TRNA is made from MRNA
37
Unlike Mitosis, Meiosis results in the formation of.....
2 Identical cells
4 Different cells
2 Different cells
4 Identical cells
38
In the metric system, the basic unit of length is
millimeter
centimeter
kilometer
meter
39
The branch of biology dealing with interactions among organism and their enviroment is called..
Modeling
Economy
Ecology
Recycling
40
RNA contains the sugar
Ribose
Deoxyribose
Glucose
Lactose
41
Which has become the most important for enviromental change on Earth?
Conservation Biology
Climate
Energy
Human Activity
42
Gametes are produce by the process of...
Replication
Crossing-Over
Mitosis
Meiosis
43
When an infection occurs,the number of
Red Blood Cells Decrease
White Blood Cells Increase
Red Blood Cells Increase
White Blood Cells Decrease
44
Organism , such as plants, that make their own food are called....
Pigments
Autotrophs
Heterotrophs
Thylakoids
45
Which organelle makes proteins using coded instructions that come from the nucleus?
Vacoule
Golgi Apparatus
Mitochondrion
Ribosome
46
The process by which O2 & CO2 are exchanged between cells, the blood, & air in lungs is called
cellular respiration
emphysema
systematic circulation
respiration
47
The second part of a scientific name is unique to each....
Species in its Genius
Genus in its Family
Family in its Order
Order in its Class
48
Unlike DNA, RNA contains
Thymine
Uracil
Phosphate groups
Adenine
49
Diffusion is the movement of molecules from
Area of low concentration to an area of high concentrarion
Area of high concentration to an area of low concentration
Are of Equilibrium to an are of high concentration
All of the Above
50
What is the original source of almost all the energy in most ecosystems?
Carbonhydrates
Carbon
Water
Sunlight
51
Where do the light-dependent reactions take place?
In the Thylakoid Membranes
Outside the Chloroplast
Only in Chlorophyll molecules
In the Stroma
52
What are thelevels of organization in a multicellular organism from simplest to most complex?
tissue, organ, organ system
organ system, organ, tissue, cell
cell, tissue, organ, organ system
cell, tissue, organ system
53
Which of the following is NOT a characteristic off all living things?
growth & development
response to environment
ability to move
ability to reproduce
54
Scientists assign each kind of organism a universally accepted name in the system known as....
Cladistics
Traditional Classifications
The Three Domains
Binomial Nomeclature
55
Cellular Respiration is called an aerobic process because it requires....
Oxygen
Glucose
Exercise
Light
56
Which of the following blood cell contain hemoglobin?
all of the above
white blood cells
plasma
red blood cells
57
Whe the concentration of molecules on both sides of a membrane is the same the molecules will..
move across the membrane to the inside of the cell
move across the membrane to the outside of the cell
stop moving across the membrane
move across the membrane in both directions
58
Using renewable resources while ensuring that they are not depleted is a practice called....
Monoculture
Sustainable Use
Biological Magnification
Subsistence Hunting
59
Some scientists think that global warming is....
melting the polar ice caps
All of the Above
a result of human activities
a natural variation in climate
60
The cell membrane contains channels and pumps. What are these channels and pumps made of?
Lipids
Carbohydrate
Bilipds
Protein
61
Which of the following in NOT a function of blood?
regulate body temperature
regulate filtration
transport nutrients
fight infection
62
The diffusion of water across a selectively permeable membrane is called
facilitated diffusion
osmosis
active transport
osmostic pressure
63
The structure labeled A is called the....
spindle
centriole
sister chromatid
centromere
64
During DNA replication, a DNA strand that has the bases CTAGGT produces a strand with the bases
AGCTTG
TCGAAC
GAUCCA
GATCCA
65
In humans,the pelvis and femur,or thigh bone, are involved in walking. In whales they are....
Examples of Fossils
Acquired Traits
Examples of Natural Variation
Vestigial Structures
66
Prokaryotes lack
a nucleus
genetic material
a cell membrane
cytoplasm
67
Cellular Respiration uses one molecule of glucose to produce
34 ATP Molecules
2 ATP Molecules
38 ATP Molecules
36 ATP Molecules
68
SItuations in which an allele for a gene is NOT completely dominant over another is called...
Multiple Genes
Multiple Alleles
Incomplete Dominance
Polygenic Inheritance
69
DNA is copied during a process called....
Translation
Transcription
Replication
Transformation
70
What "Food Tube" carries food between the Pharynx and the Stomach?
Esophagus
Epiglottis
Small Intestine
Large Intestine
71
Organisms that can't make their own food and obtain energy from the foods they eat are called
Heterotrphs
Thylakids
Plants
Autotrophs
