IB MYP Biology photosynthesis Exam Style Practice Questions
IB myp 4-5 Biology – Practice Questions- All Topics
Topic :Process-Photosynthesis
Topic :Process– Weightage : 21 %
All Questions for Topic : Photosynthesis; transport in plants; xylem; phloem; transpiration and translocation; roots; tropisms; monocots and dicots; structure of leaf and stem; rate of transpiration and factors affecting it
Question(8 marks)-IB MYP Biology photosynthesis
Investigating how changing light levels affect photosynthesis.
Select the correct location for each word to show the equation for photosynthesis. (1 mark)
▶️Answer/Explanation
Ans: Carbon dioxide + Water + Sunlight → Glucose + Oxygen
Question
Plants have a cooling effect when water evaporates from their leaves. Which of the following is called this process.(1 mark)
- osmosis
- photosynthesis
- respiration
- transpiration
▶️Answer/Explanation
Ans:
Transpiration
Question
Describe the role of chlorophyll in glucose production in plants.(4 marks)
▶️Answer/Explanation
Ans:
A correct use of the term photosynthesis
Chlorophyll absorbs light
Any two points from the list (2 max):
• energy from light is needed
• light energy is transformed into chemical energy
• to combine carbon dioxide and water
• glucose and oxygen are formed