Lesson T3.1.2
T3.1.2 Insect pollination and food security Quiz: KS3 Biology, Unit 3
20 questions
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Lesson T3.1.2, Insect pollination and food security: 20 multiple choice questions for the KS3 Biology (National Curriculum), Unit 3: Interactions and interdependencies, written with Revision Ninja.
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The 20 questions
-
Why are insects vital for the production of many crops?
- Produce nectar
- Transfer pollen
- Absorb nutrients
- Absorb sunlight
-
Which of these crops is wind-pollinated rather than insect-pollinated?
- Apple
- Strawberry
- Courgette
- Wheat
-
What is the key definition of food security?
- Organic farming methods
- Reliable access to food
- Maximum crop growth
- Global food storage
-
Why do declining bee populations threaten human food supplies?
- Fewer crops pollinated
- Water levels drop
- Temperature increases
- Soil becomes toxic
-
Which farming practice helps improve the yield of insect-pollinated crops?
- Flooding the fields
- Planting wildflower margins
- Using heavy insecticides
- Removing all hedgerows
-
What two substances do bees actively collect from flowers?
- Seeds and leaves
- Nectar and pollen
- Roots and stems
- Water and soil
-
Which common crop is heavily dependent on insect pollinators?
- Rice
- Wheat
- Barley
- Strawberries
-
Why does a crop produce less fruit when pollinator visits decline?
- Leaves lose water
- Roots absorb less
- Stems grow slower
- Fewer ovules fertilised
-
Which specific part of a flower produces and releases pollen?
- Ovary
- Sepal
- Stigma
- Anther
-
Why do many farmers rent beehives for their crops?
- Soil aeration
- Pest control
- Weed removal
- Crop pollination
-
What is an organism that transfers pollen between flowers called?
- Herbivore
- Decomposer
- Pollinator
- Producer
-
Why is hand-pollination generally costly for farmers?
- Expensive machinery
- High labour
- Water waste
- High chemical use
-
Which insect is an important pollinator of many crops?
- Earthworm
- Honeybee
- Spider
- Woodlouse
-
Which process must occur for a plant ovary to become fruit?
- Photosynthesis
- Transpiration
- Germination
- Fertilisation
-
Why might a crop have lower yields without nearby wildflowers?
- Less minerals
- Fewer pollinators
- Poor drainage
- Reduced sunlight
-
Which approach supports pollinators sustainably?
- Monoculture farming
- Using more pesticides
- Clearing hedgerows
- Planting wildflowers
-
Why is a variety of pollinator species useful for food supply?
- Faster fruit growth
- Lower water needs
- Larger individual fruits
- Reliable pollination
-
Which pollinator is most likely to visit a flower with bright petals and sweet nectar?
- A bare soil particle
- A drop of rain
- A bee
- A stone
-
Why might a farmer use wind-pollinated crops in a poor pollinator year?
- No insects needed
- Faster germination
- Stronger stems
- Higher sugar content
-
Which sugary liquid reward do insects usually get from a flower?
- Sap
- Nectar
- Pollen
- Glucose
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