Photosynthesis
Where do plants get energy from?
from light, and transfer energy into food.
What is Chlorophyll, Vein, Spongy layer in Vietnamese meaning?
Chlorophyll: chất diệp lục
Vein: mạch dẫn
Spongy layer: mô xốp
How many parts of plant ?
Which structure acts as a passageway for the movement of substances throughout the plant?
stem
The process by which parts can “make” their own food.
Why are leaves green?
they contain green pigment - Chlorophyll
Where is water in the ground?
in the spaces between the particles
How does water move up the stem?
xylem
What do plants need to grow and products of photosynthesis?
Need: Light, Water, CO2
Products: Oxygen, sugar
Where are upper & lower epidermis, Vein and their function?
upper & lower epidermis: Protect cells inside
Vein: carry water
What is the funtion of root hair?
absorb water and mineral from soil particles and stored it in the root hairs
Where is the xylem located in plant?
in roots, stems and leaves
chloroplasts in the leaf
How many tubes that vein contain? What are they?
Vein and Phloem
True or False: Root uptake is the process plants use to move nutrients from the leaves to the roots. Explain why
False
transports water and minerals from plant roots to other parts.
Which gas go in and go out in tiny pores of leaves?
CO2 goes in and O2 goes out in stoma
Where is palisade layer and spongy layer and their function?
Palisade layer: Contain cells that do photosynthesis
Spongy layer: Have air spaces
What are the functions of root?
1. Absorb of water and minerals from the soil
2. Anchor the plant to the soil
3. Food storage
4. Survive harsh conditions that kill the above-ground parts of the plant
Where are characteristic of xylem vessel?
long, hollow tubes
strong, hard walls
one way, dead cells