-
question_answer1)
An organism lacking chlorophyll but able to carry on photosynthesis of organic matter has been found among which one of the following [CPMT 1984]
A)
Bacteria done
clear
B)
Fungi done
clear
C)
Viruses done
clear
D)
Bacteriophages done
clear
View Solution play_arrow
-
question_answer2)
Bacteria were first discovered by [CPMT 1973, 89; CBSE PMT 1995; AFMC 1997]
A)
Robert Koch done
clear
B)
L. Pasteur done
clear
C)
Robert Hooke done
clear
D)
A.V. Leeuwenhoek done
clear
View Solution play_arrow
-
question_answer3)
The site of respiration in bacteria is [DPMT 1991; MP PMT 1995, 98; CBSE PMT 1997; BHU 2003]
A)
Episome done
clear
B)
Mesosome (cytoplasmic membrane) done
clear
C)
Ribosome done
clear
D)
Microsome done
clear
View Solution play_arrow
-
question_answer4)
In Escherichia coli [CBSE PMT 1993]
A)
An organised nucleus is present done
clear
B)
One chromosome is present done
clear
C)
One DNA molecule is present done
clear
D)
One RNA molecule is present done
clear
View Solution play_arrow
-
question_answer5)
Which of the following fixes \[C{{O}_{2}}\] in carbohydrates [BHU 1989; DPMT 1993]
A)
Bacillus done
clear
B)
Rhizobium done
clear
C)
Nitrobacter done
clear
D)
Rhodospirillium done
clear
View Solution play_arrow
-
question_answer6)
Bacteria are considered as plants, because [CPMT 1972, 80, 84, 86, 94; NCERT 1980; MP PMT 1989; DPMT 1993; BHU 2005]
A)
These have a rigid cell wall done
clear
B)
They have a green colour done
clear
C)
They can reproduce done
clear
D)
They are present everywhere done
clear
View Solution play_arrow
-
question_answer7)
Which of the following is not found in bacteria [MP PMT 1984]
A)
Endoplasmic reticulum done
clear
B)
Cell wall done
clear
C)
DNA done
clear
D)
Cell cytoplasm done
clear
View Solution play_arrow
-
question_answer8)
The microflora occurring in largest number in soil are [CMC Vellore 1993]
A)
Grasses done
clear
B)
Fungi done
clear
C)
Bacteria done
clear
D)
Algae done
clear
View Solution play_arrow
-
question_answer9)
Gram -ve and +ve bacteria have cell membrane made up of [MP PMT 1987, 88, 89; CPMT 1993; RPMT 1997]
A)
Proteins and lipids done
clear
B)
Cellulose done
clear
C)
Fats done
clear
D)
Chitin done
clear
View Solution play_arrow
-
question_answer10)
In bacteria [AFMC 1982]
A)
DNA is enclosed in nucleus done
clear
B)
DNA is scattered done
clear
C)
DNA is double stranded and ringed done
clear
D)
None done
clear
View Solution play_arrow
-
question_answer11)
The chief component of bacterial cell wall is [MP PMT 1989]
A)
Cellulose and chitin done
clear
B)
Cellulose and pectin done
clear
C)
Amino acids and polysaccharides done
clear
D)
Cellulose and carbohydrates done
clear
View Solution play_arrow
-
question_answer12)
Bacteria whose cell has only a curve/comma is [CPMT 1990, 93; EAMCET 1995]
A)
Vibrio done
clear
B)
Cocci done
clear
C)
Spirilli done
clear
D)
Bacilli done
clear
View Solution play_arrow
-
question_answer13)
The main difference between Gram positive and Gram negative bacteria lies in the composition of [CBSE PMT 1990, 2001]
A)
Cilia done
clear
B)
Cell wall done
clear
C)
Neucleolus done
clear
D)
Cytoplasm done
clear
View Solution play_arrow
-
question_answer14)
Muramic acid is present in the cell wall of [CPMT 1983, 88; Pb. PMT 1999; BHU 2000; KCET 2001]
A)
Bacteria done
clear
B)
Green algae done
clear
C)
Yeast done
clear
D)
Rhizopus done
clear
View Solution play_arrow
-
question_answer15)
Chemosynthetic bacteria are those bacteria [DPMT 1981]
A)
Which carry out photosynthesis done
clear
B)
Which synthesize food without light done
clear
C)
Which are unable to carry out chemical process done
clear
D)
Which carry out photosynthesis in absence of light done
clear
View Solution play_arrow
-
question_answer16)
The hydrogen donor in bacterial photosynthesis is usually
A)
Water done
clear
B)
Hydrogen sulphide done
clear
C)
Sulphurus acid done
clear
D)
Ammonia done
clear
View Solution play_arrow
-
question_answer17)
Plasmids are [MP PMT 2002]
A)
Viruses done
clear
B)
New micro-organisms done
clear
C)
Extra-chromosomal genetic material done
clear
D)
None of these done
clear
View Solution play_arrow
-
question_answer18)
Which of the following is a genetic vector [BVP 2001]
A)
Phage done
clear
B)
Plasmid done
clear
C)
Mosquito done
clear
D)
None of these done
clear
View Solution play_arrow
-
question_answer19)
Bacteria bearing flagella all over the body are called [CPMT 1999; BHU 2000; MP PMT 2001; MHCET 2003]
A)
Peritrichous done
clear
B)
Atrichous done
clear
C)
Monotrichous done
clear
D)
Cephalotrichous done
clear
View Solution play_arrow
-
question_answer20)
The habitat of E. coli is [CBSE PMT 1989, 98; EAMCET 1995]
A)
Water done
clear
B)
Colon done
clear
C)
Soil done
clear
D)
Organic food done
clear
View Solution play_arrow
-
question_answer21)
Bacterial ribosomes are called [MP PMT 1989; BHU 1989]
A)
Autosomes done
clear
B)
Dictyosomes done
clear
C)
Centrosomes done
clear
D)
Polyribosomes done
clear
View Solution play_arrow
-
question_answer22)
What is the nuclear material of a bacterium [BHU 1979]
A)
Nucleic acid and histone protein done
clear
B)
Nucleic acid and cytoplasm done
clear
C)
Only nucleic acid done
clear
D)
All the above done
clear
View Solution play_arrow
-
question_answer23)
Why surgical instruments are boiled in water before use [CPMT 1980]
A)
For killing the pathogens present on them done
clear
B)
So that doctors can use them easily done
clear
C)
Provides pleasure to the patient done
clear
D)
All the saprophytes die on the operative surface done
clear
View Solution play_arrow
-
question_answer24)
Bacterial photosynthesis is very peculiar because it takes place
A)
Without \[C{{O}_{2}}\] done
clear
B)
Without photosynthetic pigments done
clear
C)
Without light done
clear
D)
Without water done
clear
View Solution play_arrow
-
question_answer25)
Which of the following compounds are decomposed during putrefaction
A)
Proteins done
clear
B)
Fats done
clear
C)
Carbohydrates done
clear
D)
None done
clear
View Solution play_arrow
-
question_answer26)
Nucleoid is present in
A)
Bacteria done
clear
B)
Virus done
clear
C)
Slime moulds done
clear
D)
Fungi done
clear
View Solution play_arrow
-
question_answer27)
Which of the following can be called as genophore
A)
A gene of Drosophila done
clear
B)
Genes of Neurospora done
clear
C)
Bacterial DNA done
clear
D)
Eukaryotic DNA done
clear
View Solution play_arrow
-
question_answer28)
Bacterial ribosomes are present [CPMT 1986]
A)
In cytoplasm done
clear
B)
On endoplasmic reticulum done
clear
C)
On nuclear membrane done
clear
D)
On cell wall done
clear
View Solution play_arrow
-
question_answer29)
Which of the following bacteria is largest
A)
Spirillum pestis done
clear
B)
Clostridium volutans done
clear
C)
Clostridium tetani done
clear
D)
Spirillum volutans done
clear
View Solution play_arrow
-
question_answer30)
Purple sulphur bacteria are
A)
Photolithotroph done
clear
B)
Photo-organotroph done
clear
C)
Chemolithotroph done
clear
D)
Chemo-organotrophs done
clear
View Solution play_arrow
-
question_answer31)
When cocci are present in the bunch, they are called
A)
Diplococci done
clear
B)
Streptococci done
clear
C)
Staphylococci done
clear
D)
Streptobacilli done
clear
View Solution play_arrow
-
question_answer32)
Nature of Bacillus rimosus is
A)
Nitrifying done
clear
B)
Denitrifying done
clear
C)
Ammonifying done
clear
D)
All the above done
clear
View Solution play_arrow
-
question_answer33)
Glycocalyx of fibres on some bacteria so present is made up of
A)
Protein done
clear
B)
Fat done
clear
C)
Polysaccharide done
clear
D)
None of the above done
clear
View Solution play_arrow
-
question_answer34)
Chlorobium vesicle is present in
A)
Green bacteria done
clear
B)
Purple bacteria done
clear
C)
Colourless bacteria done
clear
D)
None of the above done
clear
View Solution play_arrow
-
question_answer35)
An episome in bacteria is
A)
Milk factor done
clear
B)
Co-factor done
clear
C)
Sex factor done
clear
D)
None of the above done
clear
View Solution play_arrow
-
question_answer36)
Which of the following can be the use of micro-organisms
A)
Preparation of food and food additives done
clear
B)
Production of alcoholic beverages done
clear
C)
Therapeutic compounds done
clear
D)
All the above done
clear
View Solution play_arrow
-
question_answer37)
Alexander Flemming has worked on
A)
Streptococci done
clear
B)
Diplococcus done
clear
C)
Staphylococci done
clear
D)
All the above done
clear
View Solution play_arrow
-
question_answer38)
The bacterial genome is [Bihar MDAT 1992]
A)
Circular done
clear
B)
Filamentous done
clear
C)
RNA?DNA hybrid done
clear
D)
Both (a) and (b) done
clear
View Solution play_arrow
-
question_answer39)
The nitrifying bacteria are [MP PMT 1994]
A)
Autotrophic done
clear
B)
Saprophytic done
clear
C)
Parasitic done
clear
D)
Chemosynthetic done
clear
View Solution play_arrow
-
question_answer40)
Branched chain lipids occur in the cell membranes of
A)
Archaebacteria done
clear
B)
Mycoplasma done
clear
C)
Actinomycetes done
clear
D)
Streptomyces done
clear
View Solution play_arrow
-
question_answer41)
Naked DNA is that which is
A)
Not covered by nuclear envelope done
clear
B)
Present in cytoplasm done
clear
C)
Associated with histone proteins done
clear
D)
Not associated with histone proteins done
clear
View Solution play_arrow
-
question_answer42)
One of the following is not applicable to Escherichia coli
A)
Transformation done
clear
B)
Transduction done
clear
C)
Flagella done
clear
D)
Diploid done
clear
View Solution play_arrow
-
question_answer43)
Bacteria are found to be primitive organism because they
A)
Are small, microscopic which are not seen with naked eye done
clear
B)
Cause serious diseases to human being, domesticated animals and crop plants done
clear
C)
Produce endospores which are very resistant to adverse conditions done
clear
D)
Possess incipient nucleus and show amitotic division done
clear
View Solution play_arrow
-
question_answer44)
In bacteria the most resistant stage is
A)
Capsuled vegetative cell done
clear
B)
Newly divided cell done
clear
C)
Endospore stage done
clear
D)
Torula stage done
clear
View Solution play_arrow
-
question_answer45)
In E. coli when the flagella rotates in a clockwise and anticlockwise direction, the movements are
A)
Jumping and hooping done
clear
B)
Running and tumbling done
clear
C)
Tumbling and hooping done
clear
D)
Hooping and running done
clear
View Solution play_arrow
-
question_answer46)
What is a vector
A)
Natural reservoir of disease done
clear
B)
Pathogenic bacteria done
clear
C)
Human parasite done
clear
D)
Organism carrying and transmitting disease causing micro-organism done
clear
View Solution play_arrow
-
question_answer47)
Length of Mycobacterium tuberculosis is
A)
\[0.8\mu \] done
clear
B)
\[0.6\mu \] done
clear
C)
\[1.1\mu \] done
clear
D)
\[0.7\mu \] done
clear
View Solution play_arrow
-
question_answer48)
Salmonella sp. is [MP PMT 2002]
A)
Monotrichous done
clear
B)
Lophotrichous done
clear
C)
Amphitrichous done
clear
D)
Peritrichous done
clear
View Solution play_arrow
-
question_answer49)
Spirochetes are ....... in shape
A)
Spiral done
clear
B)
Conical done
clear
C)
Helical done
clear
D)
None of the above done
clear
View Solution play_arrow
-
question_answer50)
Mycobacterium has
A)
Transient mycelium done
clear
B)
Extensive mycelium done
clear
C)
Both (a) and (b) done
clear
D)
None of the above done
clear
View Solution play_arrow
-
question_answer51)
Myxobacteria move by
A)
Flagella done
clear
B)
Gliding done
clear
C)
Action of axial filament done
clear
D)
None of the above done
clear
View Solution play_arrow
-
question_answer52)
The filament of Mastigocladus laminosus is
A)
Unbranched done
clear
B)
Branched done
clear
C)
Short done
clear
D)
None of the above done
clear
View Solution play_arrow
-
question_answer53)
Thiobacillus ferrodoxin liberate energy by oxidizing
A)
\[F{{e}^{++}}\] to \[F{{e}^{+++}}\] done
clear
B)
\[C{{u}^{+}}\] to \[C{{u}^{++}}\] done
clear
C)
\[F{{e}^{+++}}\] to \[F{{e}^{++}}\] done
clear
D)
None of the above done
clear
View Solution play_arrow
-
question_answer54)
An English surgeon believed that micro-organisms of the air caused infection in the wound and to avoid the infection he used carbolic acid and hence he became, 'The Father of Modern Antiseptic Surgery'. He was
A)
Edward Jenner done
clear
B)
Louis Pasteur done
clear
C)
William Harvey done
clear
D)
Joseph Lister done
clear
View Solution play_arrow
-
question_answer55)
Fimbriae are
A)
Organs of adhesion done
clear
B)
Antigenic done
clear
C)
Organs which form conjugation tube through which genetic material is transferred from donor to recipient cell done
clear
D)
All the above done
clear
View Solution play_arrow
-
question_answer56)
Under which of the following condition a Gram positive bacteria turns Gram negative
A)
Defective staining technique done
clear
B)
Changed pH of medium done
clear
C)
Aged bacterial culture done
clear
D)
All the above done
clear
View Solution play_arrow
-
question_answer57)
A bacterium which is commonly present in the intestine of man and animal is [CPMT 1993; RPMT 1995]
A)
Bacillus'brevis done
clear
B)
Escherichia coli done
clear
C)
Streptococcus lactis done
clear
D)
Pseudomonas citri done
clear
View Solution play_arrow
-
question_answer58)
Bacteria are made up of [Bihar MDAT 1995]
A)
Nucleic acid done
clear
B)
Only proteins done
clear
C)
Nucleic acid and proteins done
clear
D)
Nucleosides done
clear
E)
(e) None of these done
clear
View Solution play_arrow
-
question_answer59)
Genes for antibiotic resistance are located in [BHU 1995; MP PMT 1998]
A)
Chromosome done
clear
B)
Nucleus done
clear
C)
Cell wall done
clear
D)
Plasmid done
clear
View Solution play_arrow
-
question_answer60)
The cells of bacterium Staphylococcus remain arranged in the form of [MP PMT 1995; BVP 2002]
A)
Plate done
clear
B)
Cube done
clear
C)
Irregular cluster done
clear
D)
Chain done
clear
View Solution play_arrow
-
question_answer61)
'Peptidoglycan' is a characteristic constituent of the cell wall of [BHU 1994; MP PMT 1997; AIIMS 1999]
A)
Eubacteria and unicellular eukaryotes done
clear
B)
Bacteria and cyanobacteria done
clear
C)
Archaebacteria and eukaryotes done
clear
D)
All members of 'monera' and 'protista' done
clear
View Solution play_arrow
-
question_answer62)
Bacteria and other monerans do not possess [CPMT 1991, 2000]
A)
Ribosomes done
clear
B)
Mitochondria done
clear
C)
Nucleoid done
clear
D)
Plasma membrane done
clear
View Solution play_arrow
-
question_answer63)
Organisms which have cells but no distinct nucleus [EAMCET 1995]
A)
Bacteria done
clear
B)
Cyanobacteria done
clear
C)
Both (a) and (b) done
clear
D)
None of these done
clear
View Solution play_arrow
-
question_answer64)
Nucleic acids in chromosomes in bacteria are [CBSE PMT 1996; Pb. PMT 1999; AIEEE 2003]
A)
Two types of DNA and RNA done
clear
B)
Linear DNA done
clear
C)
Circular DNA done
clear
D)
Linear RNA done
clear
View Solution play_arrow
-
question_answer65)
Many bacteria bear minute hairy structures on their cell wall, these are called [AFMC 1996]
A)
Hairs done
clear
B)
Flagella done
clear
C)
Pili done
clear
D)
Cilia done
clear
View Solution play_arrow
-
question_answer66)
Which of the following are extreme halophiles and thermophiles
A)
Bacteria done
clear
B)
Cyanobacteria done
clear
C)
Archaebacteria done
clear
D)
Fungi done
clear
View Solution play_arrow
-
question_answer67)
Infoldings of the plasma membrane of gram positive bacteria, gives rise to
A)
Clathrin done
clear
B)
Chondritin done
clear
C)
Chondrioides done
clear
D)
Chromatin done
clear
View Solution play_arrow
-
question_answer68)
One of the major components of bacterial cell wall is a polymer called [MP PMT 1997; AIIMS 1999]
A)
Peptidoglycan done
clear
B)
Cellulose done
clear
C)
Chitin done
clear
D)
Xylan done
clear
View Solution play_arrow
-
question_answer69)
Circular DNA molecule occurs in [MP PMT 1998]
A)
Viruses done
clear
B)
Bacteria, chloroplasts and mitochondria done
clear
C)
Bacteria and chloroplasts only done
clear
D)
Bacteria only done
clear
View Solution play_arrow
-
question_answer70)
The cells of the bacterium Streptococcus remain arranged in the form of [MP PMT 1998]
A)
Chain done
clear
B)
Irregular cluster done
clear
C)
Cube done
clear
D)
Plate done
clear
View Solution play_arrow
-
question_answer71)
Bacterial cells can be stained with [MP PMT 1999]
A)
Mercuric chloride done
clear
B)
Crystal violet done
clear
C)
Crystal violet and iodine done
clear
D)
Safranin done
clear
View Solution play_arrow
-
question_answer72)
Mucopeptide in cell wall is more in [MP PMT 1999]
A)
Gram-positive bacteria done
clear
B)
Gram-negative bacteria done
clear
C)
Cyanobacteria done
clear
D)
Bacteriophage done
clear
View Solution play_arrow
-
question_answer73)
An example of iron bacteria is [MP PMT 1999]
A)
Beggiatoa done
clear
B)
Geobacillus done
clear
C)
Thiobacillus done
clear
D)
None of these done
clear
View Solution play_arrow
-
question_answer74)
Bacteria obtaining energy from oxidation of inorganic substances are called [MP PMT 1999]
A)
Chemolithotrophs done
clear
B)
Photolithotrophs done
clear
C)
Photo organotrophs done
clear
D)
Chemo organotrophs done
clear
View Solution play_arrow
-
question_answer75)
A Dutch Scientist A.V. Leeuwenhoek discovered bacteria for first time in [AMU 1985; JIPMER 1999]
A)
Rain water done
clear
B)
Soil done
clear
C)
Air done
clear
D)
Garden soil done
clear
View Solution play_arrow
-
question_answer76)
Which of the following does not evolve oxygen [CPMT 1999, 2003]
A)
Photosynthetic bacteria done
clear
B)
Blue-green algae done
clear
C)
Green algae done
clear
D)
Autotrophic plants done
clear
View Solution play_arrow
-
question_answer77)
When a bacterium is provided with flagella arising from two opposite ends, it is called [KCET 1998; CPMT 2001]
A)
Monotrichous done
clear
B)
Lophotrichous done
clear
C)
Amphitrichous done
clear
D)
Polytrichous done
clear
View Solution play_arrow
-
question_answer78)
Which one of the following is correct for structure of cell wall of fungi and bacteria [CPMT 1998]
A)
Both have glycopeptide done
clear
B)
Both are made up of N-acetylglucosamine done
clear
C)
Both are made up of N-acetylglucosamine and cellulose done
clear
D)
Both are made up of chitin done
clear
View Solution play_arrow
-
question_answer79)
The DNA of E.coli is [CBSE PMT 1997, 98]
A)
Single stranded and linear done
clear
B)
Single stranded and circular done
clear
C)
Double stranded and linear done
clear
D)
Double stranded and circular done
clear
View Solution play_arrow
-
question_answer80)
The correct sequence of stages of growth curve for bacteria is [Pb. PMT 1999; CBSE PMT 1999]
A)
Decline, lag, log phase done
clear
B)
Lag, log, stationary phase done
clear
C)
Stationary, lag, log, decline phase done
clear
D)
Lag, log, stationary, decline phase done
clear
View Solution play_arrow
-
question_answer81)
Photosynthetic bacteria have pigments in [RPMT 1999]
A)
Leucoplasts done
clear
B)
Chloroplasts done
clear
C)
Chromoplasts done
clear
D)
Chromatophore done
clear
View Solution play_arrow
-
question_answer82)
Who classified bacteria under Schizomycetes [MP PMT 2000]
A)
Nageli done
clear
B)
Linnaeus done
clear
C)
Leeuwenhoek done
clear
D)
Sadashivan done
clear
View Solution play_arrow
-
question_answer83)
Plasmids occur in [KCET 2001]
A)
Viruses done
clear
B)
Bacteria done
clear
C)
Chloroplasts done
clear
D)
Chromosomes done
clear
View Solution play_arrow
-
question_answer84)
Bacteria are included in which of the following kingdoms [AFMC 2001]
A)
Protista done
clear
B)
Plantae done
clear
C)
Monera done
clear
D)
Animalia done
clear
View Solution play_arrow
-
question_answer85)
First organisms to evolve on the earth were [CBSE PMT 2001]
A)
Saprotrophs done
clear
B)
Chemohetrotrophs done
clear
C)
Photoautotrophs done
clear
D)
Chemoautotrophs done
clear
View Solution play_arrow
-
question_answer86)
Which one of the following is also called haplophiles
A)
Eubacteria done
clear
B)
Actinomycetes done
clear
C)
Archaebacteria done
clear
D)
Cyanobacteria done
clear
View Solution play_arrow
-
question_answer87)
A mutant micro-organism unable to synthesize a compound required for its growth but able to grow if the compound is provided, is known as [MP PMT 2001]
A)
Auxotroph done
clear
B)
Prototroph done
clear
C)
Autotroph done
clear
D)
None of these done
clear
View Solution play_arrow
-
question_answer88)
Smallest bacteria is [CPMT 2002]
A)
Spirillium done
clear
B)
Bacillus done
clear
C)
Dialister done
clear
D)
None of these done
clear
View Solution play_arrow
-
question_answer89)
Antony Von Leeuwenhoek was first discovered bacteria. He belongs to which country [MP PMT 2002]
A)
France done
clear
B)
Swedan done
clear
C)
Holland done
clear
D)
United Kingdom done
clear
View Solution play_arrow
-
question_answer90)
Which one of the following organisms may respire in the absence of oxygen [MP PMT 2002]
A)
Azotobacter done
clear
B)
Clostridium done
clear
C)
Rhizobium done
clear
D)
Lactobacillus done
clear
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question_answer91)
In many bacteria the cell membrane becomes invaginated and folded to form [MP PMT 1997; MHCET 2001; AIEEE (Pharm.) 2004]
A)
Cristae done
clear
B)
Mesosomes done
clear
C)
Fimbriae done
clear
D)
Pili done
clear
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question_answer92)
Bacterial flagella is made up of [AIIMS 2004]
A)
Protein done
clear
B)
Amines done
clear
C)
Lipids done
clear
D)
Carbohydrates done
clear
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question_answer93)
Colourless, unicellular, cell wall bound, spherical or rod-shaped micro-organism and lacking organized nucleus is called [CPMT 2004]
A)
Mycoplasma done
clear
B)
Virus done
clear
C)
Bacteria done
clear
D)
Cyanobacteria done
clear
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question_answer94)
Mesosome in a bacterial cell is [Manipal 2005]
A)
Plasmid done
clear
B)
Connection between two cells done
clear
C)
Plasma membrane infolded for respiration done
clear
D)
None of these done
clear
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question_answer95)
What are episomes [Manipal 2005]
A)
Hereditary DNA of bacterial cell done
clear
B)
Extrachromosomal hereditary material of bacteria associated with nucleoid done
clear
C)
Modification of the cell membrane performing respiration done
clear
D)
None of these done
clear
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question_answer96)
Which of the following statements is correct [CPMT 2005]
A)
E.coli gram -ve bacterium while Rhizobium japonicum is gram +ve bacterium done
clear
B)
Both E.coli and Rhizobium japonicum are gram -ve done
clear
C)
Both E.coli and Rhizobium japonicum are gram -ve done
clear
D)
E.coli is gram +ve, Rhizobium japonicum is gram -ve done
clear
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question_answer97)
Match the following pairs correctly and choose the right combination [Kerala 2005]
| Column-I | | Column-II |
A | Escherichia coli | 1. | Nif gene |
B | Rhizobium melilotae | 2. | Digestive hydrocarbon of crude oil |
C | Bacillus thurigiensis | 3. | Production of human insulin |
D | Pseudomonas putida | 4. | Biological control of fungal disease |
| | 5. | Bio-decomposed insectiside |
A)
\[A=3,\text{ }B=1,\text{ }C=5,\text{ }D=4\] done
clear
B)
\[A=1,\text{ }B=2,\text{ }C=3,\text{ }D=4\] done
clear
C)
\[A=2,\text{ }B=1,\text{ }C=3,\text{ }D=4\] done
clear
D)
\[A=4,\text{ }B=3,\text{ }C=1,\text{ }D=2\] done
clear
E)
\[A=3,\text{ }B=1,\text{ }C=5,\text{ }D=2\] done
clear
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