Question
Which of the following is not a phosphate solubilizing microorganism ?
The correct answer is
Frankia sp.
Phosphate Solubilizing Microorganism Identification
Phosphate solubilizing microorganisms play a crucial role in making insoluble soil phosphates available to plants. These microbes achieve this primarily through the production of organic acids or enzymes like phosphatases.
Analyzing Microbial Roles
Let's examine the role of each microorganism listed:
- Bacillus sp.: Widely recognized for its ability to solubilize phosphates, often used in biofertilizers.
- Penicillium sp.: This fungal genus is known to possess phosphate solubilizing capabilities.
- Aspergillus sp.: Similar to Penicillium, Aspergillus species are common soil fungi known to solubilize phosphate.
- Frankia sp.: This filamentous bacterium is primarily known for forming symbiotic relationships with plants to fix atmospheric nitrogen. Its role in phosphate solubilization is not its defining characteristic.
Conclusion
Based on their known functions, Bacillus sp., Penicillium sp., and Aspergillus sp. are recognized as phosphate solubilizing microorganisms. In contrast, Frankia sp. is primarily known for nitrogen fixation.
Therefore, Frankia sp. is the microorganism listed that is not typically considered a phosphate solubilizer.
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Important Questions from Miscellaneous
- Which of the following relationships is/are not true?
(A). Most probable velocity = $\sqrt{\frac{2RT}{M}}$
(B). PV = $\frac{3}{2}kT$
(C). Compressibility factor Z = $\frac{pV}{nRT}$
(D). Average kinetic energy of gas = $\frac{1}{2}kT$
Choose the correct answer from the options given below - Match List-I with List-II
List-I List-II Electronic Configuration First Ionisation energy (kJ mol$^{-1}$) (A). ns$^2$ (I). 2100 (B). ns$^2$np$^1$ (II). 1400 (C). ns$^2$np$^3$ (III). 800 (D). ns$^2$np$^6$ (IV). 900
Choose the correct answer from the options given below: - The shielding constant of a 2p electron (calculated using Slater's rules) is
- Match List-I with List-II
List-I List-II Spectroscopy Property (A). Raman (I). Polarizability (B). FTIR (II). Dipole Moment (C). UV-Visible (III). Absorbance (D). NMR (IV). Spin
Choose the correct answer from the options given below: - The structure of protein comprises of:
(A). Primary structure of protein is associated with amino acids
(B). Secondary structure of protein is associated to peptides
(C). Tertiary structure of protein is associated with polypeptide chains
(D). Quaternary structure of protein is associated with polypeptide chains
Choose the correct answer from the options given below:
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