B4. Photosynthesis Required practical

Question 1

What is the overall equation for photosynthesis?

Answer 1

carbon dioxide + water(plus light)= glucose and oxygen

Question 2

True or False: Photosynthesis occurs only in the dark.

Answer 2

False

Question 3

Fill in the blank: The primary pigment involved in photosynthesis is called _______.

Answer 3

chlorophyll

Question 4

What are the two main stages of photosynthesis?

Answer 4

Light-dependent reactions and the Calvin cycle (light-independent reactions)

Question 5

In the required practical, what is used to measure the rate of photosynthesis?

Answer 5

The number of oxygen bubbles produced or the volume of oxygen released

Question 6

Multiple Choice: Which factor does NOT affect the rate of photosynthesis? A) Light intensity B) Temperature C) Soil type D) Carbon dioxide concentration

Answer 6

C) Soil type

Question 7

What role does light play in photosynthesis?

Answer 7

Light provides the energy needed for the reactions to occur.

Question 8

True or False: Carbon dioxide is absorbed by plants during photosynthesis.

Answer 8

True

Question 9

Fill in the blank: The gas produced as a by-product of photosynthesis is _______.

Answer 9

oxygen

Question 10

What is the purpose of using a water plant, like Elodea, in the photosynthesis practical?

Answer 10

To observe the production of oxygen bubbles as an indicator of photosynthesis