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