Week 20: (B) Plant Science

Question 1

What is a use of waste straw?

Answer 1

used in fermentation to produce biodiesel (biofuel).

Question 2

What is a use of algae?

Answer 2

produce biofuels (oil)
grown easily
use dirty water and waste CO2 to produce oil.

Question 3

What are the benefits using algae to produce biofuels?

Answer 3

remove heavy metal pollutants, clean water
Can use CO2
Algal residue contains many useful compounds

Question 4

What is phytoremediation?

Answer 4

drain toxins from soils & water
reduce leaching
scavenge valuable metals
- Single use GM crop Indicate TnT as some plants change colour

Question 5

What are ‘pink houses’?

Answer 5

Increase output per unit area
High value/nutritious crops
High yield
Low carbon footprint
10% of water use of “normal” farming
-URBAN GREENING

Question 6

What is a way to support crop growth in hotter dryer areas?

Answer 6

Sweater greenhouses
warm air enters, cools air and is humidified
movement of air by a fan

Question 7

What do sweater greenhouses do another benefits?

Answer 7

• Grow high value, high nutrition crops in otherwise hostile environments
• Human nutrition improved
• Open up “new” agricultural land
• Improve food security