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WorksheetsApologia Biology Module 3
Total questions: 12
Worksheet time: 6mins
A biologist has a sample of what looks to be a marine plant. He thinks, however, that it might be an unknown species of brown algae. To test this, he takes part of the 'plant', dries it, crushes it into a powder, and mixes it with water. The solution thickens. Is this evidence that the organism is a plant or an algae?
plant
neither
both
algae
Which of the following is the most complex genera of green algae?
Chlorophyll
Spirogyra
Desmid
Chlorella
If an organism is in phylum Chlorophyta, does it have chloroplasts?
It does, but only for part of its life cycle
Sometimes when it is at a stable state
Yes, Chlorophyll is held in chloroplasts
No, it does not have to have chloroplasts
If you observed a sessile colony of algae, would it tend to move about or stay in one place?
Stay in one place
They stay in one place for a time, but then they will move when it is time to reproduce
Move about
Spins around
Many biologists consider diatoms the most important form of algae in the world. Why?
They give us sand to make glass
They are used in industry for filters
They produce most or our oxygen supply
They use up a lot of oxygen in the water
In what type of symbiosis do both organisms benefit?
parasitism
mutualism
commensalism
You are studying an amoeba under a microscope and it suddenly explodes. Which organelle is not functioning properly?
plasma membrane
mitochondria
contractile vacuole
A euglena is in dim light. There is a bright spot of light nearby but the euglena does not move toward it. What organelle is not functioning?
cillia
flagella
eyespot
A paramecium cannot conjugate. Which organelle is not functioning properly?
the oral groove
the food vacuole
the contractile vacuole
True or false, control mosquito population and you can control malaria?
True, mosquitos spread malaria
False, dirty water spreads malaria
Which type of algal bloom results in a red tide?
pyrrophyta
chlorophyta
rhodophyta
Which protists can thicken pudding?
brown algae
amoeba
spirogyra
paramecium
