1
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
Thiobacillus is a group of bacteria helpful in carrying out :
A
Nitrification
B
Denitrification
C
Nitrogen fixation
D
Chemoautotrophic fixation
2
NEET 2018
MCQ (Single Correct Answer)
+4
-1
Change Language
Conversion of milk to curd improves its nutritional value by increasing the amount of
A
vitamin D
B
vitamin A
C
vitamin B12
D
vitamin E
3
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following is correctly matched for the product produced by them ?
A
Acetobacter aceti : Antibiotics
B
Penicillium notatum : Acetic acid
C
Methanobacterium : Lactic acid
D
Sacchromyces cerevisiae : Ethanol
4
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following in sewage treatment removes suspended solids ?
A
Secondary treatment
B
Tertiary treatment
C
Primary treatment
D
Sludge treatment

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