Biology Quiz - Food Chains, Food Webs, Biomass Pyramids and Cycles
1. A green plant that makes its own food by photosynthesis is called a:
A
parasite
producer
C
consumer
2. In a food chain, the organism that eats the producer is the:
A
carnivore
B
second order consumer
C
primary consumer
3. An organism that eats both plant and animal matter is called the:
A
producer
B
carnivore
C
omnivore
4. An example of a scavenger that eats animals that are already dead is a:
A
crab
B
whale
C
shark
5. An organism such as bacteria and fungi that breaks down dead organisms and their wastes is a:
A
producer
B
parasite
C
decomposer
6. Each level of a food chain is called a:
A
chain level
B
trophic or feeding level
C
producer level
7. At each level of a food chain, energy is lost mostly in the form of:
A
grass not eaten by the consumers
B
light energy used by plants
C
heat of organisms
8. Animals with a constant body temperature such as mammals and birds require more food than do animals with a changing body temperature such as reptiles and fish. Why?
A
Much of the food is utilised to produce heat to keep warm
B
Warm-blooded animals waste more food than cold-blooded animals
C
Cold-blooded animals digest their food more efficiently than warm-blooded animals
9. The most energy-efficient method to feed large human populations such as in China is to eat:
A
mostly rice and vegetables with little meat
B
large amounts of meat with few vegetables
C
large amounts of fish with little rice
10. A network of interrelated food chains in a given area is called a food:
A
web
B
chain
C
network
11. Biomass is the:
A
weight of organisms in the entire food chain in a given area
B
total mass of organisms in an entire food web
C
total dry mass of the organisms in each level of a food chain
12. The process by which carbon dioxide is removed from the atmosphere by living organisms is:
A
respiration
B
photosynthesis
C
combustion
13. The scientific name given to the falling of water through the atomosphere as rain, snow, sleet or hail is:
A
evaporation
B
condensation
C
precipitation
14. Transpiration is the:
A
intake of water to balance water lost through perspiration
B
loss of water through the leaves of plants
C
rain water seepage through the soil
15. Organisms in the ecosystem that are responsible for the recycling of plant and animal wastes are:
A
decomposers
B
predators
C
competitors
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