1
NEET 2025
MCQ (Single Correct Answer)
+4
-1

Which of following organisms cannot fix nitrogen?

A. Azotobacter

B. Oscillatoria

C. Anabaena

D. Volvox

E. Nostoc

Choose the correct answer from the options given below:

A
B only
B
E only
C
A only
D
D only
2
NEET 2025
MCQ (Single Correct Answer)
+4
-1

Streptokinase produced by bacterium Streptococcus is used for

A
Liver disease treatment
B
Removing clots from blood vessels
C
Curd production
D
Ethanol production
3
NEET 2025
MCQ (Single Correct Answer)
+4
-1

Which of the following microbes is NOT involved in the preparation of household products?

A. Aspergillus niger

B. Lactobacillus

C. Trichoderma polysporum

D. Saccharomyces cerevisiae

E. Propionibacterium sharmanii

Choose the correct answer from the options given below:

A
C and D only
B
C and E only
C
A and B only
D
A and C only
4
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1
Change Language

Match List-I with List-II relating to microbes and their products:

List - I
(Microbes)
List - II
(Products)
(A) Streptococcus (I) Citric acid
(B) Trichoderma polysporum (II) Clot buster
(C) Monascus purpureus (III) Cyclosporin A
(D) Aspergillus niger (IV) Statins

Choose the correct answer from the options given below:

A
A-II, B-III, C-IV, D-I
B
A-I, B-II, C-III, D-IV
C
A-I, B-III, C-II, D-IV
D
A-I, B-IV, C-II, D-III
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