1. Ali Raza Amin
Roll No. 2122
Govt. Post Graduate College
Samanabad Faisalabad.
Contact No. 0321 6635136
Bs Chemistry

2. Water Factor

3. Importance of Water
 Photosynthesis
 As a solvent
 Transport of chemicals
 Water pressure
 Germination of seed

4. H2O in Atmosphere
o Relative humidity
 Regulation of
transpiration
 Regulation of
photosynthesis

5. Transpiration

6. Factors
Wind speed
Humidity
Light intensity
Temperature
Water supply

7. Precipitation
 Defines
 Causes
1. Cyclonic
2. Orographic
3. Convective
 Forms
 Importance

8. Dew Mist Fog Rain Hail Snow
Forms of precipitation

9. Classification of plants
based on Water Relation
1. Hydrophyte plants
e.g Water lily
2. Xerophyte plants
e.g Cactus
3. Mesophyte plants
e.g Corn

10. Water lily

11. Cactus plant

12. Rose plant

13. Role of H2O in plant
Growth
Photosynthesis and
Transpiration
Turgor pressure
Medium for biochemical
reaction

14. In Reproduction
.Fertilization .Pollination

15. WATER CYCLE BY
PLANTS