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- Multiple ChoicePlease save your changes before editing any questions.
Which of the following statements show characteristics of Archaebacteria?
I. The cell walls do not contain peptidoglycan.
II. There are no membrane-enclosed organelles within their cytoplasm.
III. Their DNA consist of histone proteins.
IV. Their membrane lipid has unbranched hydrocarbon chain.
I, II and III
II, III and IV
I, II and IV
I, III and IV
- Multiple ChoicePlease save your changes before editing any questions.
Which compound in the cell wall that causes a Gram positive bacteria stain purple in colour when it is treated with crystal violet dye?
Cellulose
Lipoprotein
Peptidoglycan
Lipopolysaccharide
- Multiple ChoicePlease save your changes before editing any questions.
Cyanobacteria are
Photoheterotrophs
Photoautotrophs
Chemoautotrophs
Chemoheterotrophs
- Multiple ChoicePlease save your changes before editing any questions.
Which of the following statements are TRUE about organisms in the Domain Bacteria?
I. Consist of bacteria and cyanobacteria
II. Some are photoautotrophs
III. Genetic material is a single stranded DNA
IV. Organelles are not present
I and II
I, II and III
I, II and IV
I, II, III and IV
- Multiple ChoicePlease save your changes before editing any questions.
All answers listed below are true about bacteria except
all are prokaryotes
all are harmful
all are unicellular
they do not have nucleus
- Multiple ChoicePlease save your changes before editing any questions.
What material is found in most bacterial cell walls?
Cellulose
Chitin
Peptidoglycan
Amylose
- Multiple ChoicePlease save your changes before editing any questions.
A rod-shaped bacteria is called
spiral
bacillus
coccus
vibrio
- Multiple ChoicePlease save your changes before editing any questions.
The Gram-positive bacteria stain purple because
they form endospore
they have cellulose layer
they have thin peptidoglycan layer
they have thick peptidoglycan layer
- Multiple ChoicePlease save your changes before editing any questions.
Bacteria and Archaebacteria are both prokaryotes. How do they differ to each other?
Bacteria inhabit extreme environment while Archaebacteria inhabit diverse environment.
Bacteria inhabit diverse environment while Archaebacteria inhabit extreme environment.
Both inhabit diverse environment.
Both inhabit extreme environment.
- Multiple ChoicePlease save your changes before editing any questions.
Prokaryotes are differentiated from eukaryotes by
lacking of true nucleus and cytoskeleton
lacking of membrane bounded organelle
the flagella do not show 9+2 microtubule arrangement
All choices are true.
- Multiple ChoicePlease save your changes before editing any questions.
Which of the following statements concerning cyanobacteria is or are true?
Cyanobacteria are photosynthetic organism
Cyanobacteria are unicellular, some are filamentous, some are branched and form colonies
Cyanobacteria reproduce asexually by binary fission and fragmentation
All of the choices
- Multiple ChoicePlease save your changes before editing any questions.
Which domain has cell wall containing peptidoglycan?
Bacteria
Archaea
Eukarya
- Multiple ChoicePlease save your changes before editing any questions.
Which domain has nucleus?
Bacteria
Archaea
Eukarya
- Multiple ChoicePlease save your changes before editing any questions.
Which domain has membrane lipid with branched hydrocarbon?
Bacteria
Archaea
Eukarya
- Multiple ChoicePlease save your changes before editing any questions.
What is the name of your current beautiful Biology lecturer? ^_^
Rashiqah
Rasyidah
Rashida
Angelina Jolie
- Multiple ChoicePlease save your changes before editing any questions.
Which domain has DNA with no histone proteins?
Bacteria
Archaea
Eukarya
- Multiple ChoicePlease save your changes before editing any questions.
Which bacteria has complex cell wall?
Gram positive bacteria
Gram negative bacteria
- Multiple ChoicePlease save your changes before editing any questions.
Which bacteria has lipopolysaccharide?
Gram positive bacteria
Gram negative bacteria
- Multiple ChoicePlease save your changes before editing any questions.
Which bacteria are more virulent?
Gram positive bacteria
Gram negative bacteria
- Multiple ChoicePlease save your changes before editing any questions.
Which bacteria will stain blue or purple?
Gram positive bacteria
Gram negative bacteria