Vegetable and Herb Growing Two
1. The most important factor required for germination of seeds is:
A
water
B
nitrogen
C
oxygen
2. Scarifiaction is a process whereby gardeners scratch the seed coat to help:
A
photosynthesis
B
germination
C
flowering
3. The soil in which plants grow best is:
A
clay
B
loam
C
sandy
4. An animal that provides air spaces in soil is the:
A
earthworm
B
bacteria
C
fungi
5. Most vegetable plants prefer soils that are slightly:
A
basic
B
clay
C
acidic
6. If plants lack nitrogen, they appear:
A
yellow and stunted
B
bright green
C
about to flower
7. The name given to a garden which has been left unattended for some time is:
A
weeded
B
nutritious
C
fallow
8. Soils that are very acidic can be improved by adding:
A
fungi
B
dolomite
C
rotting plant matter
9. The most diseases of plants are caused by:
A
earthworms
B
fungi
C
protozoans
10. In companion planting, the purpose of planting marigolds in a vegetable garden is because they:
A
repel insects
B
are tasty
C
help with flowering
11. In companion planting, the reason why basil is planted next to tomatoes is because:
A
it produces nitrogen
B
tomatoes have more flavour
C
repels dogs
12. An example of an organic fertilizer is:
A
phosphate rock
B
perlite
C
manure
13. The process of changing the types of crops in a garden is called:
A
crop rotation
B
composting
C
herbal gardening
14. An example of a legume is:
A
a herb
B
lettuce
C
peas
15. The name for plants with nitrogen-fixing bacteria on their roots that can put solid nitrogen into the soil is:
A
a companion
B
a legume
C
compost
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