問題一覧
1
What is photosynthesis?
the production of glucose and oxygen gas
2
What is a cellulose?
a large and complex carbohydrate (the main component in the cell wall)
3
Why is cellulose good for plants?
because it gives structure
4
Why is cellulose so complex?
because uts a long chain of glucose which make up fibre
5
Why is cellulose important?
because we make fabric, paper, and cardboard with it
6
What is agriculture?
farming procedures that produce foods and goods.
7
What are the top 3 (in order) most popular crops In Canada?
wheat, canola, barley
8
The three sister plants include:
corn, climbing beans, squash
9
What do the beans do for the three sisters?
fertilize soil
10
What do the squash do for the three sisters?
covers surface area from weeds and water loss
11
What do corn do for the three sisters?
gives structure for climbing beans
12
What is food security?
access to nutritious food
13
What is a substainable agriculture?
crop rotation
14
What are 4 major uses of plants?
ecotourism, biofuel, food, fabric
15
Give examples for 4 major uses of plants
parks, burning wood, anything edible, herbs
16
How do plants control erosion?
they stop by slowing down movement of water
17
Which one of the following is not one of the three sisters
pumpkin
18
Monoculture: Pros and Cons?
fertilizer increases crop yield; crops are vulnerable to disease
19
Four plant tissues?
Meristematic, dermal, ground, vascular
20
Functions of the four tissues?
meristematic: area where new cells are made by mitosis, dermal: outer layer of cells that form a protective layer, ground: storage, photosynthesis and support, vascular: internal systems that transports water and nutrients
21
Function of the xylem?
transports water and nutrients from the root to the rest of the plant
22
Function of the phloem?
transports nutrients from the leaves to other parts of the plant
23
What’s the function of the cuticle?
helps prevent evaporation and help keep the plants water
24
What is the function of the epidermis?
protective outer later of the leave to protect
25
What is the function of palisade mesophyll?
made up of parenchyma cells to help with photosynthesis
26
What is the function of spongy mesophyll?
made up of parenchyma cells to help with gas exchange
27
What do guard cells do?
open and close the stoma
28
What does stoma do?
allow for regulation of water and solutes
29
What does the vascular bundle do?
transports materials (is the xylem and phloem)
30
What leaves are crossed out?
simple and pinnate
31
What 3 leaves are crossed out?
opposite, alternate, whorled
32
What 3 leaves are crossed out?
compound, palmate, parallel
33
What’s the formula for photosynthesis?
6 CO2 +6 H2O —-> C6H12O6 + 6 O2