Skip to content
MathsGenie logo
Open app

Course home

  1. IGCSE
  2. Biology Edexcel
  3. Question bank

Food production

EasyMediumHard
1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980
Question 36

In modern vertical indoor farms, environmental factors are tightly regulated to maximize the rate of photosynthesis and crop growth.

a.

Explain how the following practices in an indoor vertical farm increase the dry biomass of the crop:

Enriching the atmosphere with carbon dioxide (CO2\text{CO}_2CO2​) during the photoperiod.

[3]
b.

Supplying a liquid nutrient solution containing a high concentration of nitrate ions.

[3]
c.

Growers in vertical farms must also manage insect pests that enter the facility.

Describe one example of using biological control to manage a named crop pest.

[2]
d.

State three advantages of biological control compared to using chemical pesticides.

[3]

Food production Questions

  1. IGCSE
  2. /Biology
  3. /Food production