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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)

IB MYP Biology photosynthesis

▶️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

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