1
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
Nitrogen fixation in root nodules of Alnus is brought about by:
A
Bradyrhizobium
B
Frankia
C
Clostridium
D
Azorhizobium
2
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
Which one of the following proved effective for biological control of nematodal disese in plants?
A
Pisolithus tinctorius
B
Paecilomyces lilacinus
C
Pseudomonas cepacia
D
Gliocladium virens
3
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
Probiotics are-
A
Cancer inducting microbes
B
New kind of food allergens
C
Live microbial food supplement
D
Safe antibiotics
4
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
Which one of the following pairs is wrongly matched ?
A
Methanogens – Gobar gas
B
Yeast – Ethanol
C
Streptomycetes – Antibiotic
D
Coliforms – Vinegar
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