Wednesday 28 October 2015

Micro Organisms 3

Micro Organisms

:: Home > Microbiology > Micro Organisms > Page 3

All of the following are features of prokaryotes except_______________.

a. nitrogen fixation
b. photosynthesis
c. sexual reproduction
d. locomotion

Which of the following structures is the smallest?

a. Viriod
b. Hydrogen atom
c. Bacterium
d. Mitochondrion

Which of the following is/are included in Kingdom Prokaryotae?

a. Bacteria
b. Protozoa
c. Fungi
d. All of these

Which of the following may account for the small size of the cells?

a. The rate of diffusion
b. The surface area/volume ratio
c. The number of mRNAs that can be produced by the nucleus
d. All of the above

All the following are basic properties of cells except_______________.

a. cells have nuclei and mitochondria
b. cells have a genetic programme and the means to use it
c. cells are capable of producing more of themselves
d. cells are able to respond to stimuli

All the following are considered eukaryotes except_______________.

a. archaea       
b. fungi
c. protozoa      
d. humans

Which cell type is considered to have the oldest ancestor?

a. Archaea
b. Bacteria
c. Eukarya
d. they all share the same ancestor

What is Mycology?

a. Study of viruses
b. Study of nucleic acid
c. Study of bacteria
d. Study of fungi

Which of the following organelles contain DNA, divides and possesses some degree of autonomy?

a. Golgi apparatus
b. Ribosome
c. Chloroplast
d. Peroxisomes

All of the following individuals contributed to cell theory except_______________.

a. Robert Hooke
b. Matthias Schleiden
c. Theodor Schwann
d. Rudolf Virchow

Carl Woese and his colleague are best known for establishing_______________.

a. the five kingdom system
b. the three domain system
c. the prokaryote-eukaryote system
d. the plant-animal system

Which of the following is not found in the kingdom Monera?

a. Organelles
b. Organized cell structure
c. Ability to reproduce
d. Ability to use energy

Which of the following is the most primitive?

a. Virus
b. Eukaryote
c. Archaeon     
d. Mitochondria

Which of the following structure is present in prokaryotic cells?

a. Mitochondria
b. Chloroplasts
c. Golgi structure
d. Mesosome

The word cell was first used by_______________.

a. Robert Hooke
b. Theodor Schwann
c. Louis Pasteur
d. Ronald Ross

The Archaea include all of the following except_______________.

a. methanogens           
b. halophiles
c. thermoacidophiles    
d. cyanobacteria

What are Blue-Green bacteria called?

a. Acquaobacteria
b. Cyanobacteria
c. Protozoa
d. None of the above

The endosymbiosis hypothesis provides an explanation for how_______________.

a. eukaryotes developed from prokayotes
b. prokaryotes developed from eukaryotes
c. algae developed from protozoa
d. protozoa developed from algae

Eukaryotic micro organisms include_______________.

a. protozoa
b. fungi
c. algae
d. all of these

The binomial name of a microbe is composed of_______________.

a. its kingdom and genus names
b. its genus name and a species modifier
c. its family and class names
d. its genus and species names

Which of the following is a characteristic unique to the ciliates?

a. Use of cilia as a sensory function
b. Presence of both a macronucleus and several micronuclei
c. Both (a) and (b)
d. Possess a light-detecting eye spot

<Prev 1  2  3
Disqus Comments