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Worksheetsscience - unit 2
Total questions: 20
Worksheet time: 19mins
What is the simplest living thing?
bacterium
dna
cell
molecule
What is number 1?
(a)
What is number 8?
(a)
What is number 5?
(a)
Bacterium photosynthesis uses (a) instead of water.
Bacterium photosynthesis produces (a) instead of oxygen.
An organims that feeds on dead matter
saprophyte
parasite
pathogen
chemosynthetic
An organism that is infected by a parasite.
(a)
Parasite is an organism that feeds on a _____ ____.
(a)
Pathogen is an organism that _____ ______.
(a)
Two authrophic bacteria are _____ and _____.
(a)
An organism that needs oxygen to convert food into oxygen.
(a)
(a) organism decompose dead organism or convert useless chemicals to useful ones
What is the capsule's function(s)?
acts as a protective layer against infection fighting agents
composed of sticky sugars that helps it to cling to surfaces
hold the contents of bacterium together
regulates chemicals
Cytoplasm is a (a) -like substance
What's the funcion(s) of ribosomes?
produce proteins
grasp surfaces
used in locomotion
regulates the amount of water that comes in and out
Which part regulates the amount of water that comes in and out?
(a)
What holds DNA and ribosomes?
(a)
Which is the correct formula for bacterium photosynthesis?
6CO2 + 12H2S = C6H12O6 + 6H2O + 12S
6CO2 + 14H2S = C6H12O6 + 6H2O + 12S
6CO2 + 12H2S = C6H12O6 + 6H2O
6CO2 + 12H2S = C6H12O6 + 6H2O + 17S
Can an aerobic organism be schemosynthetic?
(a)
