A-Level Biology Specification

OCR A H420

Section 1.2.2: Use of apparatus and techniques

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#1.2.2a

use of appropriate apparatus to record a range of quantitative measurements (to include mass, time, volume, temperature, length and pH)

#1.2.2b

use of appropriate instrumentation to record quantitative measurements, such as a colorimeter or potometer

#1.2.2c

use of laboratory glassware apparatus for a variety of experimental techniques to include serial dilutions

#1.2.2d

use of a light microscope at high power and low power, including use of a graticule

#1.2.2e

production of scientific drawings from observations with annotations

#1.2.2f

use of qualitative reagents to identify biological molecules

#1.2.2g

separation of biological compounds using thin layer/paper chromatography or electrophoresis

#1.2.2h

safe and ethical use of organisms to measure:

(i) plant or animal responses
(ii) physiological functions

#1.2.2i

use of microbiological aseptic techniques, including the use of agar plates and broth

#1.2.2j

safe use of instruments for dissection of an animal or plant organ

#1.2.2k

use of sampling techniques in fieldwork

#1.2.2l

use of ICT such as computer modelling, or a data logger to collect data, or use of software to process data