Microbes in Human Welfare · Biology · NEET
Start PracticeMCQ (Single Correct Answer)
NEET 2024 (Re-Examination)
Match List-I with List-II relating to microbes and their products:
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NEET 2024
Match List I with List II
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NEET 2022 Phase 2
Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : Spirulina is a microbe that ...
NEET 2022 Phase 1
Identify the microorganism which is responsible for the production of an immunosuppressive molecule cyclosporin A :
NEET 2021
Match List-I with List-II
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NEET 2020 Phase 1
Which of the following is put into Anaerobic
sludge digester for further sewage treatment?
NEET 2020 Phase 1
Match the following columns and select the
correct option.
Column-I
Column-II
(a) Clostridium butylicum
(i) Cyclosporin...
NEET 2019
What triggers activation of protoxin to active Bt toxin of Bacillus thuringiensis in boll worm?
NEET 2019
Select the correct group of biocontrol agents.
NEET 2019
Match the following organisms with the products they produce :
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NEET 2019
Thiobacillus is a group of bacteria helpful in carrying out :
NEET 2019
Which of the following can be used as a biocontrol agent in the treatment of plant disease?
NEET 2019
Which of the following is a commercial blood cholesterol lowering agent?
NEET 2018
Conversion of milk to curd improves its
nutritional value by increasing the amount of
NEET 2017
Select the mismatch :
NEET 2017
Which of the following is correctly matched for the product produced by them ?
NEET 2017
Which of the following in sewage treatment removes suspended solids ?
NEET 2016 Phase 2
Match Column-I with Column-II and select the correct option using the codes given below –
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NEET 2016 Phase 1
Which of the following is wrongly matched in the given table?
AIPMT 2015
Match the following list of microbes and
their importance -
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AIPMT 2015 Cancelled Paper
The guts of cow and buffalo possess
AIPMT 2014
An alga which can be employed as food for human being is :
AIPMT 2014
Which one of the following fungi contains hallucinogens?
AIPMT 2014
What gases are produced in anaerobic sludge digesters ?
NEET 2013 (Karnataka)
Microbe used for biocontrol of pest butterfly
caterpillars is :
NEET 2013
A good producer of citric acid is
AIPMT 2012 Mains
In gobar gas, the maximum amount is that of :
AIPMT 2012 Mains
Read the following four statements (A-D) :
(A) In transcription, adenosine pairs with uracil
(B) Regulation of lac operon by repressor is referred to...
AIPMT 2012 Mains
Consider the following four statements (a-d) and select the option which includes all the correct ones only :
(a) Single cell Spirulina can produce l...
AIPMT 2012 Mains
The domestic sewage in large cities :
AIPMT 2012 Prelims
Yeast is used in the production of
AIPMT 2012 Prelims
A patient brought to a hospital with myocardial infarction is normally immediately given
AIPMT 2012 Prelims
Monascus purpureus is a yeast used commercially in the production of :
AIPMT 2012 Prelims
A nitrogen - fixing microbe associated with Azolla in rice fields is
AIPMT 2012 Prelims
Which one of the following is an example of carrying out biological control of pests/diseases using
microbes ?
AIPMT 2011 Mains
Which one of the following is a wrong matching
of a microbe and its industrial product, while the
remaining three are correct ?:
AIPMT 2011 Mains
Consider the following statements (A-D) about
organic farming :
(A) Utilizes genetically modified crops like Bt
cotton
(B) Uses only naturally produc...
AIPMT 2011 Mains
Read the following statement having two blanks
(A and B) :
''A drug used for ______ (A)___ patients is obtained
from a species of the organism ______ ...
AIPMT 2011 Prelims
Ethanol is commercially produced through a
particular speciesl of :
AIPMT 2011 Prelims
Organisms called Methanogens are most
abundant in a :
AIPMT 2011 Prelims
Secondary sewage treatment is mainly a :
AIPMT 2011 Prelims
The most common substrate used in distilleries
for the production of ethanol is :
AIPMT 2011 Prelims
Which one of the following is not a biofertilizer ?
AIPMT 2011 Prelims
Which of the following is mainly produced by
the activity of anaerobic bacteria on sewage ?
AIPMT 2011 Prelims
An organism used as a Biofertilizer for raising
soyabean crop is :
AIPMT 2011 Prelims
Continuous addition of sugars in 'fed batch'
fermentation is done to :
AIPMT 2010 Mains
An example of endomycorrhiza is -
AIPMT 2010 Prelims
Select the correct statement from the following:
AIPMT 2010 Prelims
The common nitrogen-fixer in paddy fields is –
AIPMT 2010 Prelims
Which one of the following not used in organic
farming ?
AIPMT 2010 Prelims
A common biocontrol agent for the control of
plant diseases is –
AIPMT 2009
Which of the following is not used as a
biopesticide ?
AIPMT 2009
Which one of the following pairs is wrongly
matched ?
AIPMT 2008
Which one of the following proved effective for
biological control of nematodal disese in plants?
AIPMT 2008
Nitrogen fixation in root nodules of Alnus is
brought about by:
AIPMT 2008
Trichoderma harzianum has proved a useful
microorganism for:
AIPMT 2007
Probiotics are-
AIPMT 2007
Which one of the following pairs is wrongly
matched ?
AIPMT 2004
A major component of gobar gas is
AIPMT 2004
Which one of the following pairs is not correctly matched ?
AIPMT 2004
The most thoroughly studied of the known
bacteria-plant interactions is the :-
AIPMT 2004
Dough kept overnight in warm weather
becomes soft and spongy because of :-
AIPMT 2003
Maximum application of animal cell culture
technology today is in the production of : -
AIPMT 2003
During anaerobic digestion of organic waste,
such as in producing biogas, which one of the
following is left undergraded : -
AIPMT 2002
During the formation of bread it becomes
porous due to release of CO2 by the action of : -
AIPMT 2002
Which bacteria is utilized in Gober gas plant ?
AIPMT 2001
Spoilage of oil can be detected by which fatty
acid : -
AIPMT 2001
Which of the following is true pair of
biofertilizers ?
AIPMT 2000
Which of the following is used to manufacture
ethanol from starch ?
AIPMT 2000
Which aquatic fern is used to increase the yield in
paddy crop ?