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Energy for life revision
1: In your mouth, food is chewed into pieces and ___________ breaks carbohydrates into glucose.
water
teeth
acid
saliva
2: In the stomach, ____________ breaks down carbohydrates, fats and proteins.
blood
acid
chewing
saliva
3: In the small intestine, nutrients are absorbed into the _____________.
blood
nutrients
stomach
water
4: In the large intestine, ___________ is absorbed into the blood.
oxygen
water
nutrients
acid
5: In the rectum, _____________ is stored before being excreted.
saliva
glucose
solid waste
water
6: Glucose and nutrients are carried round the body in the ____________.
blood
digestive system
respiratory system
lungs
7: The job of the roots is to:
attract insects
do photosynthesis
absorb water and minerals
support the plant
8: The two jobs of the stem are to let water and glucose travel round the plant and:
to support the plant
to absorb water and minerals
to do photosynthesis
to attract insects
9: The job of the leaves is to:
support the plant
absorb water and minerals
attract insects
do photosynthesis
10: All cells turn glucose into energy by:
eating
respiration
breathing
photosynthesis
11: Respiration happens in:
all living cells
only animal cells
only dead cells
only plant cells
12: Respiration is how cells turn glucose into:
food
sunlight
heat
energy
13: You can measure how much glucose a plant has made by:
burning the leaves
eating the leaves
adding iodine, then seeing which parts of the leaf go black
weighing the leaves
14: You can measure how quickly a plant is doing photosynthesis by:
eating the leaf
timing how long the leaf burns
weighing the leaf
counting the number of oxygen bubbles produced
15: Plant cells make their own food (glucose) by:
eating
respiration
breathing
photosynthesis
16: Which part of a plant cell does photosynthesis?
vacuole
cell wall
chloroplasts
nucleus
17: Which part of a plant cell supports the cell?
cell wall
nucleus
chloroplasts
vacuole
18: Which part of the plant cell contains the DNA?
cell wall
chloroplasts
vacuole
nucleus
19: What is taken in by plants during photosynthesis?
water and carbon dioxide
carbon dioxide
water, carbon dioxide and sunlight
water
20: What is made by plants during photosynthesis?
glucose and carbon dioxide
glucose and oxygen
water and sunlight
water and carbon dioxide
21: What is taken in by cells during respiration?
glucose and carbon dioxide
glucose and oxygen
water and oxygen
water and carbon dioxide
22: What is given out during respiration?
carbon dioxide and glucose
oxygen and glucose
water and oxygen
water and carbon dioxide
23: Which of the following are fossil fuels?
coal, oil and gas
wind power
solar power
wood and biofuels
24: Wave turbines turn movement energy into:
chemical energy
electrical energy
heat energy
light energy
25: In a wave turbine (tidal power), what moves?
heat
water
steam
air
26: Coal power stations turn chemical energy into:
electrical energy
movement energy
gravitational potential energy
light energy
27: Solar panels turn ___________ energy into electrical energy.
nuclear
chemical
heat
light
28: Petrol generators turn ____________ energy into electrical energy.
sound
nuclear
chemical
light
29: Wind turbines turn ______________ energy into electrical energy.
chemical
heat
movement
light
30: Plants turn _____________ energy into chemical energy.
movement
electrical
light
heat
31: A fan turns electrical energy into:
chemical
heat
light
movement
32: What kind of energy does petrol have stored in in?
chemical
electrical
light
heat
33: A tiger is a:
producer
herbivore
omnivore
carnivore
34: A person is a:
producer
herbivore
omnivore
carnivore
35: A plant is a:
producer
herbivore
omnivore
carnivore
36: A giraffe is a:
producer
herbivore
omnivore
carnivore
37: Herbivores eat:
they don't eat; they can make their own food
only plants
meat and plants
only meat
38: Carnivores eat:
they don't eat; they make their own food
only plants
meat and plants
only meat