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WorksheetsCrop Principles Ag Science
Total questions: 38
Worksheet time: 24mins
Certified seed has what 3 advantages
98% purity
85% germination rate
free from wild oats
growth stimulator
Winter variety seeds have what 3 advantages...
Tasty food
Frost resisitant
Higher yield
Long growing season
Crop rotation prevents
Badgers
A build up of pests
The farmer having to plough
Water pollution
A biological control uses a
Predator to control a pest
Pest to control a predator
True or false? Aphids eat ladybirds
True
False
Which chemical controls weeds?
Fungicide
Pesticide
Insecticide
Herbicide
Which chemical controls pests
Fertiliser
Pesticide
Herbicide
Fungicide
Which 3 of the following are indirect controls of pests?
Pesticides
Timely harvesting
Stubble cleaning
Crop rotation
Which 2 of the following are direct controls of pests?
Pesticides
Crop rotation
Insecticides
Timely harvesting
What are the 3 modes of action of fungicides?
Contact
Absorbed
Protective
Translocated
Organic Farming prohibits the use of which 2 of the following?
Chemical sprays
Machinery
Personal Protective Equipment
GMO's
NAME THE CROP
WHEAT
MAIZE
BARLEY
NONE OF THESE
Name the crop in the picture
Oats
Wheat
Barley
Maize
Name the crop in the picture
Oats
Wheat
Barley
Maize
Certified seeds should have a minimum germination rate of .....
65%
75%
85%
95%
Seed intended for sale are listed on the National Catalogue of Agricultural Plant Varieties. They have passed certain tests relating to (3 answers)
Distinctness
Stability
Uniformity
Purity
Which of the following is NOT a factor that affects crop management
Cost of Machinery
Soil and Water
Plant Nutrition
Previous Crop History
Which of the following is an example of a catch crop?
Oats
Wheat
Kale
Potatoes
Winter varieties have a ____________ growing season than a spring varieties and result in a higher yield up to _____%
Longer 20%
Longer 10%
Shorter 20%
Shorter 10%
Which of the following is not a condition required for germination?
Oxygen
Moisture
Temperature
Nutrients
Which of the following are advantages of crop rotation
Improved Soil Structure
Nutrient Management
Prevent of pest and disease build up
What type of roots does grass have?
Tap
Fibrous
Which of these nutrients is not a macronutrient?
Nitrogen
Calcium
Potassium
Phosphorus
Which of the following is an example of a biological control (2 answers)
Ladybird consumes the aphid
Aphids consumes the ladybird
Mudsnail consumes the grass
Duck consumes the mudsnail
Crop rotation, Sow resistant varieties and stubble cleaning are example of _____________ control.
Directly
Indirect
Biological
Non Selective herbicides are know as __________ herbicides.
Total
Complete
Finished
Overall
Identify the markings in the field.
Spraylines
Tramlines
Fertlines
Tractorlines
Doxstar is a herbicide used to kill docks only in a sward. Doxstar could be described as a ____________ herbicide.
Selective
Non Selective
Strong
Weak
The tendency for a crop to bend over and lie flat on the ground due to heavy is known as _______________
Tilling
Harrowing
Sowing
Lodging
This picture describes a weed that has been effected by a _______________ herbicide
Contact
Soil acting
Translocated
Translaminar
This picture describes a weed that has been effected by a _______________ herbicide
Contact
Soil acting
Translocated
Translaminar
______________ fungicide is a spray which is absorbed by the upper surface and translocated to the lower leaf surface.
Contact
Translocated
Protective
Translaminar
Which of the following are examples of advantages using chemical of weed, pest and disease control. (2 answers)
Build up of toxins in the food chain
Increased food production
Less labour required
Pest resistance
Which of the following are examples of disadvantages using chemical of weed, pest and disease control.
Build up of toxins in the food chain
Increased food production
Less labour required
Pest resistance
Some bacterial diseases such as ring rot and and brown rot are known as (a) diseases.
Organic farming is an agricultural practice which ___________ rely on chemical fertilisers, pesticides, GMO's and livestock antibiotics.
Doesn't
Does
Which two of the following statements are requirements of organic farmers (3 answers)
Products produced with the use of GMO's
Organophosphates are used
Cultivation methods to maintain soil health
Use slurry and FYM
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