2.5 Gaseous exchange in plants

Question 1

During the day , besides respiration , what do plants also carry out?

Answer 1

Photosynthesis

Question 2

What is the process of photosynthesis

Answer 2

taking in carbon dioxide
giving out oxygen

Question 3

During respiration

Answer 3

oxygen is taken in , carbon dioxide is removed

Question 4

Most plants carry out the process of gaseous exchange with their surroundings through

Answer 4

leaves, stems and root
providing a large surface area for gaseous exchange

Question 5

The diffusion of stoma occurs through?

Answer 5

Stoma (obviously.)

Question 6

What is the process of diffusion

Answer 6

Movement of particles from a region of high concentration to region of low concentration

Question 7

What is stoma made up of?

Answer 7

Stomatal pore bounded by a pair of guard cells.

Question 8

What do guard cell contain and what does it carry out?

Answer 8

Chloroplast
carry out photosynthesis

Question 9

When does stomata of plant open?

Answer 9

During photosynthesis
where there is light

Question 10

When does the stomata close?

Answer 10

1. gets dark
2. plant loses a lot of water when its a hot day ( malaysia core )

Question 11

What is the process of osmosis

Answer 11

Movement of water molecules from a region of high concentration to a low concentration of water through a semipermeable membrane

Question 12

When there is light , what do guard cells do ?

Answer 12

Guard cells carry out photosynthesis to produce glucose

Question 13

The concentration of glucose in guard cells ( ____ ) and causes water from surrounding cells to diffus into the guard cell through ( ___ )

Answer 13

1.increase
2. osmosis

Question 14

What happens t