Investigations

Question 1

Aim of path of water inv?

Answer 1

to investigate which tissue is responsible for upward movement of water in plant.

Question 2

result of path of water inv?

Answer 2

xylem was stained darker red than other tissues. control had no stains.

Question 3

conclusion of path of water inv?

Answer 3

Xylem is tissue responsible for upward water movement in dicot plants

Question 4

Aim of factors and transpiration inv?

Answer 4

To investigate the effect of temp, humidity and wind on the rate of transpiration in dicot plants.

Question 5

method and results of factors and transpiration inv?

Answer 5

wind: fan=fast air bubble
Temp: heater= fast air bubble
Humidity: plastic bag over leaves= slower air bubble

Question 6

Conclusion of factors and transpiration inv?

Answer 6

heat and wind increase transpiration
humidity decrease transpiration
factors that increase rate of evaporation increase rate of transpiration.