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