Plant Science

2. Water enters the root by ___________? (Hint: a molecular transport system).
7. Gas such as carbon dioxide and oxygen enter or leave the leaves through this type of molecular transport system.
10. A green-coloured substances found in plant leaves.
12. The vascular tissue that is responsible for water transportation in plant.
13. The vascular tissue that is responsible for sugar transportation in plant.
14. Full name of IAA.
17. Plant cell wall is made of ___________?
18. Plant response due to the gravity field.
20. The term to describe the movement nature of the water transpiration in plant.
22. Plant response due to a directional light source.
25. The cellular organelle that is found in many cells of the mesophyll cell layer of the leaves.
26. Cell growth in terms of quantity (two words).
27. The attractive forces between water and other substances.

1. Important chemical bond that is involved in transpiration.
3. Leaves are flat and thin in shape to maximise ___________?
4. A special group of cells that are responsible for shoot and root growth.
5. Plant response due to a touch stimulus.
6. The tool that is used to measure the transpiration rate.
8. The site where gas can diffuse in and out of the leaves (plural).
9. Location where sugar is generated.
10. The attractive forces between water molecules.
11. An important process that occurs in plants to generate glucose and oxygen from carbon dioxide and water with light radiation.
13. The type of mesophyll cells that is located closer to the upper epidermis of the leaf.
15. Cell growth in terms of size and length (two words).
16. Plant response due to chemical exposure.
18. The specialised cells locating in the lower epidermis layer of the leaf that are important for gas exchange regulation of the leaf (plural).
19. Location where sugar is heading toward.
21. A thin and waxy layer that covers the surface of the leaves to prevent dehydration.
23. The type of mesophyll cells that is located closer to the lower epidermis of the leaf.
24. Plant response due to a non-directional stimulus.