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WorksheetsActivate 2 - Ecosystem processes
Total questions: 17
Worksheet time: 9mins
Name
Class
Date
1.
Complete the photosynthesis word equation. Carbon dioxide + wate --> ...............
a)
Glucose + oxygen
b)
Food + oxygen
c)
Lactic acid + carbon dioxide
d)
Energy + water
2.
Animals which eat other organisms are called...
a)
Consumers
b)
Produces
c)
Parasites
d)
Animals
3.
What are the reactants of photosynthesis?
a)
Carbon dioxide + water
b)
Oxygen + glucose
c)
Water + glucose
d)
Carbon dioxide + glucose
4.
Organisms that make their own food are called....
a)
Producers
b)
Consumers
c)
Parasites
d)
Omnivores
5.
What is the green pigment called in plants?
a)
Chlorophyll
b)
Cells
c)
Roots
d)
Rhodopsin
6.
Why are leaves green?
a)
Because they contain a lot of chlorophyll
b)
So they blend in with the forest
c)
Because they contain lots of cells
d)
So we can see them
7.
What are the small openings called on the underside of the leaf?
a)
Stomata
b)
Guard cells
c)
Chloroplasts
d)
Gap cells
8.
What are the four important plant minerals?
a)
nitrates, phosphates, potassium, magnesium
b)
nitrates, phosphates, potassium, calcium
c)
nitrates, phosphates, calcium, magnesium
d)
nitrates, carbohydrates, potassium, magnesium
9.
What are the effects of nitrate deficiency?
a)
Poor growth and some yellow leaves
b)
Poor root growth
c)
Dead patches on leaves
d)
Root rot
10.
What animal can perform chemosynthesis?
a)
Tubeworms
b)
Fish
c)
Sea slugs
d)
Carp
11.
What are the reactants of aerobic respiration?
a)
Glucose + oxygen
b)
Carbon dioxide + water
c)
Glucose + water
d)
Oxygen + carbon dioxide
12.
How does oxygen get from your lungs to the rest of the body?
a)
Carried by the blood
b)
Dissolves through the body
c)
Mitochondria
d)
Breathing in
13.
What do red blood cells contain which oxygen binds to?
a)
Haemoglobin
b)
Cells
c)
Chlorophyll
d)
Stomata
14.
What kind of respiration does not require oxygen?
a)
Aerobic respiration
b)
Anaerobic respiration
c)
Lactic respiration
d)
Breathing
15.
What chemical is produced in anaerobic respiration?
a)
Lactic acid
b)
Carbon dioxide
c)
Water
d)
Glucose
16.
What are the products of fermentation?
a)
Ethanol + carbon dioxide
b)
Carbon dioxide + water
c)
Lactic acid
d)
Glucose
17.
What is it called when dangerous chemicals become more concentrated up a food chain?
a)
Bioaccumulation
b)
Photosynthesis
c)
Food web
d)
distillation
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