Monera Kingdom
What is true about Archaebacteria?
A.All fossils
B.All photosynthetic
C.All Halophiles
ANS:D.Oldest living beings
Question 2
The Ti plasmid is often used for making transgenic plants. This plasmid is found in
A.Yeast as a 2 µm plasmid
ANS:B.Agrobacterium
C.Rhizobium of the roots of leguminous plants
D.Azotobacter
Question 3
Reproduction in most of the bacteria is by a process known as
ANS:A.Binary fission
B.Budding
C.Sexual
D.Sporulation
Question 4
An example of endomycorrhizal is
A.Agaricus
ANS:B.Glomus
C.Nostoc
D.Rhizobium
Question 5
Human insulin is being commercially produced from a transgenic species of
ANS:A.Escherichia
B.Saccharomyces
C.Rhizobium
D.Mycobacterium
Question 6
Specialized cells called heterocysts are present in
A.Dinoflagellates
B.Euglenoids
ANS:C.Cyanobacteria
D.Archaebacteria
Question 7
The Gram negative bacteria detect and respond to chemicals in their surrounding by
A.Lipopolysaccharide
B.Muramic acid
ANS:C.Porins
D.Volutin granules
Question 8
Which of the following protects the bacteria from the enzymes present in the external medium?
A.Flagella
ANS:B.S-layer
C.Slime layer
D.Cell wall
Question 9
A bacterium is capable of withstanding extreme heat, dryness and toxic chemicals. This indicates that it is probably above to form
A.Endotoxins
ANS:B.Endospores
C.A thick peptidoglycan wall
D.Endogenous buds
Question 10
Which one of the following is correct about Cosmid?
A.Extra genetic material in mycoplasma
B.Circular DNA found in bacteria
C.Extra DNA in bacteria
ANS:D.Fragment of DNA inserted in bacteria for forming copies
Question 11
Which of the following groups of organisms are ecologically similar?
A.Consumer protists and fungi
B.Monerans and producer protists
C.Producer protists and consumer protists
ANS:D.Monerans and fungi
Question 12
A bacterium which is capable of utilizing the most abundantly available gas in the atmosphere for one of its metabolic pathways, but cannot utilize the second most abundantly available for its another metabolic pathway is
A.Azotobacter
ANS:B.Clostridium
C.Rhodomicrobium
D.Xanthomonas
Question 13
Study the following columns and select the most appropriate matching from the options below.
Column I
Column II
A. Devoid of flagella I. Single spherical bacterium
B. Rod shaped II. Pneumonia causing bacteria
C. Bacteria in pairs III. Anthrax causing bacteria
D. Comma shaped IV. Cholera causing bacteria
V. Pleomorphic bacteria
A.A - I, B - II, C - III, D - IV
B.A - V, B - IV, C - II, D - I
ANS:C.A - I, B - III, C - II, D - IV
D.A - V, B - I, C - II, D - IV
Question 14
Study the following columns and select the most appropriate matching from the options below.
Column I
Column II
A. Pasteurella pestis I. Angular leaf spot of cotton
B. Treponema pallidum II. Amphotericin
C. Mycobacterium bovis III. Actinomycosis of cattle
D. Streptomyces nodosus IV. Syphilis
V. Plague
A.A - IV, B - I, C - II, D - III
B.A - II, B - III, C - IV, D - V
ANS:C.A - V, B - IV, C - III, D - II
D.A - III, B - II, C - I, D - IV
Question 15
Identify the correct pair of events when temperate phages infect bacteria :
(I) No prophages are formed.
(II) Bacterial cell undergoes many divisions
(III) Bacterial cell undergoes immediate lysis
(IV) Prophages are formed
The correct pair is
A.I, II
B.II, III
C.III, IV
ANS:D.II, IV