NEET Biology: Microbes Practice Questions

15 questions with answers and step-by-step solutions. Tap any question to see the full worked solution.

Q1.
$The chemical substance produced by microbes that can kill or retard the growth of other disease-causing microbes is called:$
Easy
Q2.
$Which microbe is used to produce ethanol from molasses?$
Easy
Q3.
$Which of the following microbes is used in the production of Swiss cheese?$
Easy
Q4.
$Which of the following is used as a clot buster for removing clots from the blood vessels of patients who have undergone myocardial infarction?$
Easy
Q5.
$Which of the following is a common source of citric acid produced on an industrial scale?$
Easy
Q6.
$Which of the following microbes is used for the commercial production of citric acid?$
Medium
Q7.
$The primary treatment of sewage involves which of the following processes?$
Medium
Q8.
$Which microbe is responsible for the production of the clot buster enzyme streptokinase?$
Medium
Q9.
$The symbiotic association between fungi and roots of higher plants is known as:$
Medium
Q10.
$Which of the following is a biofertilizer that fixes atmospheric nitrogen in paddy fields?$
Medium
Q11.
$In the production of biogas, the methanogenic bacteria are strictly anaerobic and belong to the domain Archaea. Which of the following metabolic pathways is pri$
Hard
Q12.
$Which of the following microbial enzymes is specifically employed in the industrial production of clarifying agents for fruit juices to reduce viscosity and imp$
Hard
Q13.
$During secondary sewage treatment, the BOD of the effluent is significantly reduced. If the BOD value of a sample is measured as 500 mg/Land after treatment it$
Hard
Q14.
$Which of the following statements correctly describes the role of Monascus purpureus in biotechnology?$
Hard
Q15.
$The biocontrol agent Trichoderma harzianum is highly effective against soil-borne plant pathogens. What is the primary mechanism by which it exerts its antagoni$
Hard

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