You may use scratch paper and a calculator. You may NOT use your book or notes.
Show your work. If it is not obvious, CIRCLE YOUR FINAL ANSWERS.
PRACTICE QUESTIONS - REVISED
Short answer/multiple choice questions (
Notes for Human Nutrition & Health
The information in this package is meant to cover IB Option A.
Components of the Human Diet
"Diet" is the total food taken in by an individual. A nutrient is defined as a chemical substance
found in foods that
What is Homeostasis?
Maintaining balance within the body.
It is the maintenance of a constant
internal environment (the immediate
surrounding of cells) in response to:
the changing conditions of the
the changing conditions
Notes for Cells
The information in this document is meant to cover Topic 2 and Topic 4.2.1-4.2.3 of the IB Syllabus.
Characteristics of Living Things (summary)
Living organisms obtain and use energy to power activities such as movement and grow
all cells use glycolysis to
glycolysis takes place in
anaerobic process - it can
run with or without oxygen
10 Rxns from start to nish
overall process can be
Notes for Molecular Genetics
The informaton in this document is meant to cover Topic 3.3-3.5, Topic 4.4 and Topic 7.1-7.4 of the IB Syllabus.
"This structure has novel features which are of considerable biological interest"
(Watson & Crick, 195
Notes for Biochemistry
The information in this document is meant to cover IB topic 3.1-3.3 and 7.5.
A functional group is a group of atoms that confers highly specific properties to an organic
Notes for Genetics
The information in this document is meant to cover topic 4 and topic 10 of the IB syllabus.
Details of meiosis are found in Notes for Cells.
Gregor Mendel was
B io Factsheet
The Biological Importance of Water
Water (H2O) is the most abundant molecule in cells, whole organisms and on earth. This is a consequence of the unique physical and
chemical properties of water. This Factsheet will
Passive Transport Design Lab
Passive transport is the movement of biochemicals and other atomic or
molecular substances across membranes in response to a concentration
gradient. Unlike active transport, it does not require an input of chemical
Moss Chloroplast Lab
Mosses are bryophytes, non-vascular plants with no true roots or leaves.
The leaflets are small enough that we may observe them readily by
making a wet mount of the whole leaflet and observing with a light
Academic Honesty, Plagiarism, Citing
What is academic honesty?
All students are required to uphold the values of honesty, fairness, trust, responsibility and
respect. These are the foundations of teaching and learning and they are the very same va
It is vital for large carnivores to balance their energy expenditures specifically during the seeking and
subduing (Laundre 2014) of their prey as they are not readily available and are energetically costly. It
requires a balance between the amounts of en
Classroom Announcement Evaluation Form
Introduce oneself and The
Clear and relevant tip of
Identifies relevant and
upcoming important dates
Includes a re
Prac%ce Problems - Working With Magnica%on
Show all your working in these prac4ce ques4ons
T4 Bacteriophage (25,000 x).
The scale bar on this engineered SEM image represents 1mm.
What kind of image is this?
Systems & Hormones
Comparing Male & Female
secreted by the ovary.
Reproductive hormones are involved in
the changes of puberty, and in
regulation of the
Energy in Food
We can measure the energy in food
in calories (cal) or kilojoules (kJ)
Energy in Human Diets
Energy in Food
On food labels, we
usually see the food
energy in Calories.
1 Calorie = 1000
Energy in Food
The energy content of ea
In vitro fertilization
Some couples are unable to conceive due
to infertility issues such as blocked
Fallopian tubes or a low sperm count.
IVF is one common way that couples
with fertility issues are able to become
The Nervous System
CNS = Central Nervous System
Dont be so nervous.
composed of the brain and spinal cord
PNS = Peripheral Nervous System
Its just the nervous system!
composed of sensory & motor neurons
Meiosis .not a cycle
Mitosis is a key step in the cell cycle:
its products, identical daughter cells,
will eventually go through mitosis
Meiosis produces gametes, which
either join with other gametes or die.
DRAWING IN BIOLOGY
Drawing is still a very important skill in biology. Drawings help to record data from
specimens. Drawings can highlight the important features of a specimen. Photographs can be
very useful for recording data but they are not very sele
Lab: Osmosis & Plant Cells
To determine the effects of various solutions on a
- slide & cover slip
- red onion
- 10% salt solution
- distilled water
- tap water
Prepare a wet
Body Mass Index
Body Mass Index
Have you ever wondered, "am I at a
Body mass index, or BMI, is one way of
determining an individual's ideal
BMI is calculated using height and
If you don't know your heig
Notes for Evolution
The information in this document covers the IB Biology syllabus for Topic 5.4 and Option D.
Evolution is the process of cumulative change in the heritable characteristics of a population.
Evolution involves two