Experiments

Question 0

Insects collected using a beating tray and pooter

Answer 0

Aphids, ladybirds, spiders, snails and lacewings

Question 1

Pigments in chlorophyll

Answer 1

Chlorophyll b (green)
Chlorophyll a (blue-green)
Xanthophyll (yellow-brown)
Phaeophytin (yellow-grey)
Carotene (yellow)

Question 2

Invertebrates collected using a tullgren funnel

Answer 2

Springtails, mutes, earthworms and beetles

Question 3

Reagents used in cation exchange capacity experiment

Answer 3

Potassium chloride and ammonium oxalate

Question 4

For the calculation of the seeding rate for a cereal, the calculation will be shown by example

Answer 4

• the 1000 grain weight is 50g
• the % germination rate is 95%
• 85% establishment
• 250 established plants per m2