Sardar Krushinagar Dantiwada Agricultural Uiversity 2010 B.Sc Agriculture for competitive - exam paper
MULTIPLE option ques.
B.Sc Agriculture
(For Competitive Examination)
Phycology deals with the study of
a) Algae
b) Fungi
c) Protozoa
d) Mycoplasma
Which of the subsequent is of prokaryotic origin
a) Blue-Green algae
b) Brown algae
c) Green algae
d) Red algae
Blue-green algae belong to a group of microbes called
a) Red algae
b) Green algae
c) Brown algae
d) Cyanobacteria
Nitrification refers to conversion of ammonia to
a) Nitric oxide
b) Nitrous oxide
c) Nitrogen gas
d) Nitrate
Mycorrhizae are symbiotic association ranging from Fungi and
a) Fungi
b) Bacteria
c) Plant leaves
d) Plant roots
Bacterial soft rot of fruit and vegetables is caused by
a) Erwinia carotovora
b) Salmonella
c) Proteus vulgaris
d) Leuconostoc
The chemical 'sodium propionate' is generally used as a inhibitor of
a) Bacteria
b) Mold
c) Virus
d) Algae
Which of the subsequent is an anaerobic nitrogen fixing bacteria
a) Azotobacter
b) Salmonella
c) Derxia
d) Clostridium
Which of the subsequent is a symbiotic nitrogen fixing microorganism
a) Frankia
b) Klebsiella
c) Desulphovibrio
d) Clostridium
Which of the subsequent is not a entomopathogenic fungus
a) Beauveria
b) Verticillium
c) Hirsutella
d) Penicillium
Biogas contains highest amount of which of the subsequent gases
a) Methane
b) Oxygen
c) Carbon dioxide
d) Hydrogen
Which of the subsequent microorganisms causes Typhus fever
a) Rickettsia
b) Spiroplasma
c) Mycoplasma
d) Protozoa
Which of the subsequent is an unicellular fungus
a) Saccharomyces
b) Trichoderma
c) Glomus
d) Gigaspora
Which of the subsequent genetic recombination involves uptake of naked DNA
a) Transformation
b) Transduction
c) Conjugation
d) Transfection
Which of the subsequent organism convert ammonia to nitrite
a) Nitrosomonas
b) Nitrobacter
c) Azospirillum
d) Micrococcus
Which of the subsequent organism convert nitrite to nitrate
a) Nitrobacter
b) Pseudomonas
c) Clostridium
d) Bacillus
Which of the subsequent microorganisms brings about denitrification
a) Thiobacillus
b) Bacillus
c) Aspergillus
d) Clostridium
Bollworm resistant cotton varieties contains gene from which microorganism
a) Bacteria
b) Fungi
c) Protozoa
d) Virus
Which of the subsequent is called as extra-chromosomal genetic material
a) Plasmid
b) Gene
c) Genotype
d) Phenotype
The term plasmid was introduced by
a) Lederberg
b) Tatum
c) Beadle
d) Kornberg
MULTIPLE CHOICE QUESTIONS
B.Sc Agriculture
(For Competitive Examination)
Phycology deals with the study of
a) Algae
b) Fungi
c) Protozoa
d) Mycoplasma
Which of the following is of prokaryotic origin
a) Blue-Green algae
b) Brown algae
c) Green algae
d) Red algae
Blue-green algae belong to a group of microbes called
a) Red algae
b) Green algae
c) Brown algae
d) Cyanobacteria
Nitrification refers to conversion of ammonia to
a) Nitric oxide
b) Nitrous oxide
c) Nitrogen gas
d) Nitrate
Mycorrhizae are symbiotic association between Fungi and
a) Fungi
b) Bacteria
c) Plant leaves
d) Plant roots
Bacterial soft rot of fruit and vegetables is caused by
a) Erwinia carotovora
b) Salmonella
c) Proteus vulgaris
d) Leuconostoc
The chemical sodium propionate is generally used as a inhibitor of
a) Bacteria
b) Mold
c) Virus
d) Algae
Which of the following is an anaerobic nitrogen fixing bacteria
a) Azotobacter
b) Salmonella
c) Derxia
d) Clostridium
Which of the following is a symbiotic nitrogen fixing microorganism
a) Frankia
b) Klebsiella
c) Desulphovibrio
d) Clostridium
Which of the following is not a entomopathogenic fungus
a) Beauveria
b) Verticillium
c) Hirsutella
d) Penicillium
Biogas contains highest amount of which of the following gases
a) Methane
b) Oxygen
c) Carbon dioxide
d) Hydrogen
Which of the following microorganisms causes Typhus fever
a) Rickettsia
b) Spiroplasma
c) Mycoplasma
d) Protozoa
Which of the following is an unicellular fungus
a) Saccharomyces
b) Trichoderma
c) Glomus
d) Gigaspora
Which of the following genetic recombination involves uptake of naked DNA
a) Transformation
b) Transduction
c) Conjugation
d) Transfection
Which of the following organism convert ammonia to nitrite
a) Nitrosomonas
b) Nitrobacter
c) Azospirillum
d) Micrococcus
Which of the following organism convert nitrite to nitrate
a) Nitrobacter
b) Pseudomonas
c) Clostridium
d) Bacillus
Which of the following microorganisms brings about denitrification
a) Thiobacillus
b) Bacillus
c) Aspergillus
d) Clostridium
Bollworm resistant cotton varieties contains gene from which microorganism
a) Bacteria
b) Fungi
c) Protozoa
d) Virus
Which of the following is called as extra-chromosomal genetic material
a) Plasmid
b) Gene
c) Genotype
d) Phenotype
The term plasmid was introduced by
a) Lederberg
b) Tatum
c) Beadle
d) Kornberg
Earning: Approval pending. |