For the commercial and industrial production of Citric Acid, which of the following microbes is used?

A Clostridium butylicum
B Aspergillus niger
C Lactobacillus sp
D Saccharomyces cerevisiae

Verified Solution

Answer & Solution

Correct Answer

(B) Aspergillus niger

Step-by-step Solution

Detailed explanation

Aspergillus niger (a fungus) is producer of citric acid for the commercial and industrial
purposes.

Apply the relevant identity from the chapter and substitute the values established in the previous step, keeping the original constraint in view.

Use the simplified expression to isolate the unknown, then plug the result back into the question setup to confirm the working is internally consistent.

Cross-check against a boundary or limiting case. Both the dimensional balance and the qualitative behaviour at the extreme should agree with the candidate answer.

Combine the steps above to identify the correct option. The remaining choices each fail at least one of the consistency, dimensional, or boundary checks.

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Match List \(I\) with List \(II\) :

List \(I\)	List \(II\)
\(A.\) Expiratory capacity	\(-\) Expiratory reserve volume \(+\) Tidal volume \(+\) Inspiratory reserve volume
\(B.\) Functional residual capacity	\(-\) Tidal volume \(+\) Expiratory reserve volume
\(C.\) Vital capacity	\(-\) Tidal volume \(+\) Inspiratory reserve volume
\(D.\) Inspiratory capacity	\(-\) Expiratory reserve volume \(+\) Residual volume

Choose the correct answer from the options given below :

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Match the following joints with the bones involved

\((a)\) Gliding joint	\((i)\) Between carpal and metacarpal of thumb
\((b)\) Hinge joint	\((ii)\) Between Atlas and Axis
\((c)\) Pivot joint	\((iii)\) Between the carpals
\((d)\) Saddle joint	\((iv)\) Between Humerus and Ulna.

Select the correct option from the following

NEET 2019 Medium

Match the organisms in Column\(-I\) with habitats in Column\(-II\)

Column\(-I\)	Column\(-II\)
\((a)\) Halophiles	\((i)\) Hot springs
\((b)\) Thermoacidophiles	\((ii)\) Aquatic environment
\((c)\) Methanogens	\((iii)\) Guts of ruminants
\((d)\) Cyanobacteria	\((iv)\) Salty area

Select the correct answer from the options given below

NEET 2019 Easy

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The following graph represents the \(T-V\) curves of an ideal gas (where \(T\) is the temperature and \(V\) the volume) at three pressures \(P_1, P_2\) and \(P_3\) compared with those of Charles's law represented as dotted lines. Then the correct relation is:

NEET 2024 Medium

Match List I with List II:

\(\text{List - I (Ion)}\)	\(\text{List - II (Group Number}\) \(\text{in Cation Analysis)}\)
A. \(\text{Co} ^{2+}\)	(I) \(\text{Group - I}\)
B. \(\text{Mg} ^{2+}\)	(II) \(\text{Group - III}\)
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D. \(\text{Al} ^{3+}\)	(IV) \(\text{Group - VI}\)

NEET 2025 Medium

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Column \(-I\)	Column \(-II\)
\((A)\) Gonorrhoea	\((i)\) HIV
\((B)\) Syphilis	\((ii)\) Neisseria
\((C)\) Genital warts	\((iii)\) Treponema
\((D)\) AIDS	\((iv)\) Human papilloma virus