MCB2010L Broward College Exam 1
UPDATED Actual Exam Questions and
CORRECT Answers
What is the total magnification of an oil immersion lens? - CORRECT ANSWER✔✔- 1000x
magnification
Resolution - CORRECT ANSWER✔✔- how clear an image appears
Magnification - CORRECT ANSWER✔✔- making small things big
Working Distance - CORRECT ANSWER✔✔- the distance between the tip of the objective
lens and the stage
What is the purpose of the oil in the oil immersion lens? - CORRECT ANSWER✔✔- the oil
is used to minimize light refraction to create a sharper, larger image
Inoculum - CORRECT ANSWER✔✔- the organism that is being transferred from one
medium to another
Inoculation - CORRECT ANSWER✔✔- the process of transferring an organism from one
media to the next
What fingers do you use when removing the cap from a test tube? - CORRECT
ANSWER✔✔- last two fingers of the hand holding the inoculating loop (ring and pinkie
finger)
After opening the test tube you flame it. - CORRECT ANSWER✔✔- True
When removing an inoculum from a plate you remove the lid and place it on the lab bench. -
CORRECT ANSWER✔✔- False
, Identify a colony margin by name - CORRECT ANSWER✔✔-
When inoculating a broth, the loop may not touch the sides of the tube. - CORRECT
ANSWER✔✔- True
Ciguarta toxin is a naturally occurring toxin produced by the dinoflagellate... - CORRECT
ANSWER✔✔- Gambierdiscus Toxicus
Cyanobacteria - CORRECT ANSWER✔✔- CLASSIFIED AS: plants, protozoans, and
bacteria
DERIVE ENERGY FROM : photosynthesis
UTILIZE: chlorophyll to capture light energy
ALSO CONTAIN: phycobilins(accessory pigment that aids in diagnosis)
Heterocyst - CORRECT ANSWER✔✔- thick walled cells of the cyanobacteria ANABAENA
responsible for nitrogen fixation
Akinete - CORRECT ANSWER✔✔- large reproductive structure of the cyanobacteria
ANABAENA
Anabaena - CORRECT ANSWER✔✔-
What kingdom do algae belong to? - CORRECT ANSWER✔✔- Plantae
What are the criss-cross patterns on Spirogyra made of? - CORRECT ANSWER✔✔-
Chloroplast
Where are diatoms and dinoflagellates usually commonly found? - CORRECT
ANSWER✔✔- phytoplankton in salt and fresh water
Euglena is photosynthetic. - CORRECT ANSWER✔✔- True
UPDATED Actual Exam Questions and
CORRECT Answers
What is the total magnification of an oil immersion lens? - CORRECT ANSWER✔✔- 1000x
magnification
Resolution - CORRECT ANSWER✔✔- how clear an image appears
Magnification - CORRECT ANSWER✔✔- making small things big
Working Distance - CORRECT ANSWER✔✔- the distance between the tip of the objective
lens and the stage
What is the purpose of the oil in the oil immersion lens? - CORRECT ANSWER✔✔- the oil
is used to minimize light refraction to create a sharper, larger image
Inoculum - CORRECT ANSWER✔✔- the organism that is being transferred from one
medium to another
Inoculation - CORRECT ANSWER✔✔- the process of transferring an organism from one
media to the next
What fingers do you use when removing the cap from a test tube? - CORRECT
ANSWER✔✔- last two fingers of the hand holding the inoculating loop (ring and pinkie
finger)
After opening the test tube you flame it. - CORRECT ANSWER✔✔- True
When removing an inoculum from a plate you remove the lid and place it on the lab bench. -
CORRECT ANSWER✔✔- False
, Identify a colony margin by name - CORRECT ANSWER✔✔-
When inoculating a broth, the loop may not touch the sides of the tube. - CORRECT
ANSWER✔✔- True
Ciguarta toxin is a naturally occurring toxin produced by the dinoflagellate... - CORRECT
ANSWER✔✔- Gambierdiscus Toxicus
Cyanobacteria - CORRECT ANSWER✔✔- CLASSIFIED AS: plants, protozoans, and
bacteria
DERIVE ENERGY FROM : photosynthesis
UTILIZE: chlorophyll to capture light energy
ALSO CONTAIN: phycobilins(accessory pigment that aids in diagnosis)
Heterocyst - CORRECT ANSWER✔✔- thick walled cells of the cyanobacteria ANABAENA
responsible for nitrogen fixation
Akinete - CORRECT ANSWER✔✔- large reproductive structure of the cyanobacteria
ANABAENA
Anabaena - CORRECT ANSWER✔✔-
What kingdom do algae belong to? - CORRECT ANSWER✔✔- Plantae
What are the criss-cross patterns on Spirogyra made of? - CORRECT ANSWER✔✔-
Chloroplast
Where are diatoms and dinoflagellates usually commonly found? - CORRECT
ANSWER✔✔- phytoplankton in salt and fresh water
Euglena is photosynthetic. - CORRECT ANSWER✔✔- True
