Q. No.The majority of heterotrophic bacteria are
1. Decomposers
2. Autotrophs
3. Lithotrophs
4. Organotrophs
Lactobacillus comes under which category
(1) Autotrophs
(2) Lithotrophs
(3) Organotrophs
(4) Heterotrophs
Chemosynthetic bacteria does not use which inorganic substrate?
(1) Nitrites
(2) Nitrates
(3) Chlorides
(4) Both (1) and (2)
Find the incorrect match.
(1) Heterocyst-Archaebacteria
(2) Gelatinous sheath- BGA
(3) Methanogen- Biogas
(4) Chlorella- protista
(1) Heterocyst-Archaebacteria
(2) Gelatinous sheath- BGA
(3) Methanogen- Biogas
(4) Chlorella- protista
Chemosynthetic autotrophic bacteria does not help in recycling of
(1) Nitrogen
(2) Iron
(3) Sulphur
(4) Mangnese
Leguminous plants have bacteria with which kind of mode of nutrition-
(1) Heterotrophs
(2) Autotrophs
(3) Lithotrophs
(4) Organotrophs
Chemosynthetic autotrophs derive energy by
(1) By sunlight
(2) By oxidation of inorganic substances
(3) By reduction of inorganic substances
(4) By reduction followed by oxidation of inorganic substances
Which of the following is not a bacterial disease
(1) Citrus canker
(2) Cholera
(3) Plague
(4) Mumps
------- mycoplasma are pathogenic in …….
1. Many, animals and plants
2. All, animals and plants
3. All, animals
4. All, plants
Which of the following is not a mode of bacterial reproduction?
1. Fission
2. Spore formation
3. Conjugation
4. Fragmentation
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