MISCONCEPTION OF BIOLOGY STUDENT REGARDING

PHOTOSYNTHESIS…

GROUP MEMBERS…….

• Mazatul Azrin B. Rahman• Nabilah Bt Yusof• Nurul Hidayah Bt. Mansor• Noriza Bt. Ishak

PHOTOSYNTHESIS IN PLANTS

CONCEPT IN BIOLOGY

• Photosynthesis is the process where it will converts light energy into the chemical energy of sugars and other organic compounds

• Site where it happen is on the chlorophyll pigment.

• require carbon dioxide (CO2) and water (H2O) and store chemical energy in the form of sugar

• Oxygen (O2) is a byproduct of photosynthesis and is released into the atmosphere

EQUATION :

6 CO2 + 6 H2O → 6(CH2O) + 6 O2

SUGAR

TECHNIQUES USED IN DETERMINING THE MISCONCEPTION OF STUDENTS

• Group discussion• Drawings with Misconceptions (POE):

These types of drawings showed some degree of understandings on photosynthesis and respiration concepts but also demonstrated some misconception but however, these drawings were misconceptions not understandings held by scientists or stated in science texts.

COMPREHENSIVE REPRESENTATION DRAWINGS:

• Drawings in this category were the most competent and realistic drawings of the photosynthesis and respiration in plants.

• Drawings showing sound understanding, contained seven or more elements of the validated response for that particular statement

ALTERNATIVE CONCEPTS

• Highlight on certain components only.• Do not include chlorophyll pigment• Thought that photosynthesis is the process

where gaseous exchange is occur• Take place mainly in the leaves• The leaves’ main job is to give off oxygen• The leaves’ main job is to give off carbon

dioxide.

MISCONCEPTION

• they focus on the fact that the photosynthesis occurs only in the leaves and they don’t say anything about the chlorophyll. It is possible to see this misconception in the drawings

MISCONCEPTION

• The other misconception is they thought the Photosynthesis occur with the rise of the rains to the sky and after evaporation, their return to the ground

THANK YOU………..