IB Biology Lab Report
Name ______________________________
Date/s lab was done ____________________
Title:
Anatomy of a Dicot Root, Stem, and Leaf
Purpose: To identify the various tissues present and their arrangement in the
vegetative organs of a dicot.
Instructions:
o Draw three labelled plan diagrams of a dicot root, stem and leaf.
o Include the following tissues in your diagrams as appropriate: epidermis,
cortex, endodermis, xylem, phloem, vascular cambium, pith, palisade,
and spongy mesophyll, and guard cells.
o Each diagram must include a calculation for magnification and scale line.
o Diagrams will be evaluated according to the assessment criteria: Data
Collection and Processing.
Data collection and processing
Levels/marks
Aspect 1
Recording raw data
Records appropriate
Complete/2
quantitative and associated
qualitative raw data,
including units and
uncertainties where relevant.
Records appropriate
Partial/1
quantitative and associated
qualitative raw data, but
with some mistakes or
omissions.
Does not record any
Not at all/0
appropriate quantitative raw
data or raw data is
incomprehensible.
Your Aspect Mark
Your Overall Lab
Mark
Aspect 2
Processing raw data
Processes the quantitative
raw data correctly.
Aspect 3
Presenting processed data
Presents processed data
appropriately and, where
relevant, includes errors and
uncertainties.
Processes quantitative raw
data, but with some
mistakes and/or omissions.
Presents processed data
appropriately, but with some
mistakes and/or omissions.
No processing of
quantitative raw data is
carried out or major
mistakes are made in
processing.
Presents processed
data inappropriately or
incomprehensibly.