MCQOPTIONS
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MCQOPTIONS
This section includes 1031 Mcqs, each offering curated multiple-choice questions to sharpen your SRMJEEE knowledge and support exam preparation. Choose a topic below to get started.
| 551. |
Penicillin is discovered by |
| A. | Fleming |
| B. | Pasteur |
| C. | Koch |
| D. | None of these |
| Answer» B. Pasteur | |
| 552. |
The enzyme required for DNA from RNAtemplate: |
| A. | RNA polymerase |
| B. | Reverse transcriptase |
| C. | DNA polymerase |
| D. | Terminal transferase |
| Answer» C. DNA polymerase | |
| 553. |
HIV can be transmitted through |
| A. | Blood |
| B. | Semen |
| C. | Vaginal fluid |
| D. | All of these |
| Answer» E. | |
| 554. |
Mc Fadyean’s reaction is used to detect |
| A. | Bacillus anthraci |
| B. | Brucella |
| C. | Corynaebacterium |
| D. | None of these |
| Answer» B. Brucella | |
| 555. |
Raw-material used for the production ofalcohol is |
| A. | Molasses |
| B. | Starch |
| C. | Sulphite waste water |
| D. | All of these |
| Answer» E. | |
| 556. |
The greatest number of tubercle bacilli ispresent in |
| A. | Large sized tuberculomas |
| B. | Miliary tuberculosis |
| C. | Tuberculous lymphadinitis |
| D. | Tuberculous cavity of the lung |
| Answer» E. | |
| 557. |
C itr ic ac id is produced in aerob icconditions by the fungi |
| A. | Aspergillu |
| B. | Penicillin |
| C. | Mucor |
| D. | All of these |
| Answer» E. | |
| 558. |
Which of the following genera is most likely to contain organisms capable of surviving high temperature? |
| A. | Vibrio |
| B. | Pseudomonas |
| C. | Torula |
| D. | Coxiella |
| Answer» D. Coxiella | |
| 559. |
Mesosomes are also known as |
| A. | Mitochondria |
| B. | Chloroplasts |
| C. | Golgi complex |
| D. | Chondroids |
| Answer» E. | |
| 560. |
Physiologically the cells are active and are synthesizing new protoplasm in which stage of the growth in bacteria |
| A. | Log phase |
| B. | Lag phase |
| C. | Stationary phase |
| D. | None of these |
| Answer» D. None of these | |
| 561. |
Nagler’s reaction detects |
| A. | Coagulase |
| B. | Hyaluronidase |
| C. | Lecithinase |
| D. | None of these |
| Answer» D. None of these | |
| 562. |
The orderly increase in the quantity of allof the cellular components is known as |
| A. | Reproduction |
| B. | Growth |
| C. | Binary fission |
| D. | None of these |
| Answer» C. Binary fission | |
| 563. |
A human cell containing 22 autosomeand a ‘Y’ chromosome is probably a |
| A. | Male somatic cell |
| B. | Zygote |
| C. | Female somatic cell |
| D. | Sperm cell |
| Answer» C. Female somatic cell | |
| 564. |
Lipid contents is more in |
| A. | Gram negative bacteria |
| B. | Gram positive bacteria |
| C. | Same in both |
| D. | None of these |
| Answer» B. Gram positive bacteria | |
| 565. |
Term vaccine was coined by |
| A. | Robert Koch |
| B. | Pasteur |
| C. | Needham |
| D. | None of these |
| Answer» C. Needham | |
| 566. |
The temperature required for pasteurization is |
| A. | Above 100oC |
| B. | Below 100oC |
| C. | 100oC |
| D. | None of these |
| Answer» C. 100oC | |
| 567. |
Erythromycin belongs to chemical classof antibiotics |
| A. | â-lactose |
| B. | Tetracyclines |
| C. | Macrolides |
| D. | Aminoglycosides |
| Answer» D. Aminoglycosides | |
| 568. |
Which of the following is most similar to Rickettsia and Chlamydia? |
| A. | Bdellovibrio |
| B. | Clostridium |
| C. | Mycobacterium |
| D. | Mycoldaima |
| Answer» D. Mycoldaima | |
| 569. |
For acetic acid production the methodsfollowed are |
| A. | Orleans process |
| B. | Rapid process |
| C. | Submerged process |
| D. | All of these |
| Answer» E. | |
| 570. |
Which of the following are gas producingSalmonella? |
| A. | S.typhi |
| B. | S.enteritidis |
| C. | S.cholerasuis |
| D. | S.typhimurium |
| Answer» C. S.cholerasuis | |
| 571. |
The formation spindle fibres in the processof cell division is prevented by |
| A. | Corchicine |
| B. | ATP |
| C. | Hydrazine |
| D. | All of these |
| Answer» D. All of these | |
| 572. |
Chlamydiae occur in |
| A. | Elementary bodie |
| B. | Reticulate bodies |
| C. | Complex structures |
| D. | a and b |
| Answer» E. | |
| 573. |
The principle in microbiological assays is |
| A. | At certain range the concentration of growth factor will bear a linear relationship to the amount of nutrients added |
| B. | Concentration of growth factor have a linear relationship with the growth of the organism |
| C. | Both a and b |
| D. | None of the above |
| Answer» C. Both a and b | |
| 574. |
Vancomycin is obtained from |
| A. | Streptococcus species |
| B. | Aspergillus niger |
| C. | Streptomyces orientalis |
| D. | Bacillus anthracis |
| Answer» D. Bacillus anthracis | |
| 575. |
one of the standard cloning vector widelyused in gene cloning is |
| A. | Ti pasmid |
| B. | EMBL 3 |
| C. | pBR 322 |
| D. | EMBL 4 |
| Answer» D. EMBL 4 | |
| 576. |
Trace elements are |
| A. | Zn+2, Cu+2, Mn+2 |
| B. | MO6+, Ni2+, B3+ and CO2+ |
| C. | Both a and b |
| D. | None of these |
| Answer» E. | |
| 577. |
The spores of th bacteria which canwithstand the moist heat effect also |
| A. | Bacillus subtilis |
| B. | Coxiella burnetti |
| C. | Bacillus stearothermophilus |
| D. | Pseudomonas |
| Answer» D. Pseudomonas | |
| 578. |
Agar is obtained form |
| A. | Brown algae |
| B. | Red algae |
| C. | Green algae |
| D. | Blue-green algae |
| Answer» C. Green algae | |
| 579. |
The Lipid content present in Gram positivebacterial cell-wall is |
| A. | 1-10 % |
| B. | 1-5 % |
| C. | 2-8 % |
| D. | None of these |
| Answer» C. 2-8 % | |
| 580. |
Which of the following is an example of live vaccine? |
| A. | pertusi |
| B. | mumps |
| C. | cholera |
| D. | rabies |
| Answer» D. rabies | |
| 581. |
Ziehl – Neelson stain is a ______ |
| A. | Simple stain |
| B. | Counter stain |
| C. | Differential stain |
| D. | None of them |
| Answer» D. None of them | |
| 582. |
Streptolysin O is inactivated by |
| A. | CO2 |
| B. | Nitrogen |
| C. | Oxygen |
| D. | Serum |
| Answer» D. Serum | |
| 583. |
Enzyme hydrolyzing bacterial cell wall |
| A. | Lysozome |
| B. | Reductase |
| C. | Protease |
| D. | Lysozyme |
| Answer» E. | |
| 584. |
Bioleaching is done by |
| A. | Protozoa |
| B. | Bacteria |
| C. | Algae |
| D. | All of the above |
| Answer» C. Algae | |
| 585. |
The order of stains in Gram-stainingn procedure is |
| A. | Crystal violet, Iodine solution, Alcohol, Saffranine |
| B. | Iodine solution, Crystal Violet, Saffranine, Alcohol |
| C. | Alcohol, Crystal Violet, Iodine solution, Saffranine |
| D. | All of these |
| Answer» B. Iodine solution, Crystal Violet, Saffranine, Alcohol | |
| 586. |
Which of the following test is specific forBrucellosis? |
| A. | Frei |
| B. | Weil |
| C. | Castaneda strip |
| D. | Rose water |
| Answer» D. Rose water | |
| 587. |
The main feature of prokaryotic organismis |
| A. | Absence of locomotion |
| B. | Absence of nuclear envelope |
| C. | Absence of nuclear material |
| D. | Absence of protein synthesis |
| Answer» C. Absence of nuclear material | |
| 588. |
The live vaccines are available againstthe following viruses, except: |
| A. | Influenza |
| B. | Measles |
| C. | Rabies |
| D. | Polio |
| Answer» D. Polio | |
| 589. |
Recombination process occurring throughthe mediation of phages is |
| A. | Conjunction |
| B. | Transduction |
| C. | Transformation |
| D. | Transfection |
| Answer» C. Transformation | |
| 590. |
The primary mode of transmission ofpoliomyelitis is |
| A. | Oral route |
| B. | Blood |
| C. | Milk |
| D. | Person to person |
| Answer» D. Person to person | |
| 591. |
On soybean which of the following formssymbiotism |
| A. | Azatobactor paspali |
| B. | Rhizobium |
| C. | Nostoc |
| D. | Bradyrhizobium |
| Answer» E. | |
| 592. |
The capacity of laboratory fermentors is |
| A. | 12–15 liter |
| B. | 2000 gallons |
| C. | 500 liters |
| D. | 10000 gallons |
| Answer» B. 2000 gallons | |
| 593. |
Of the following, this is a capsulatedorganism |
| A. | Bacillus anthraci |
| B. | Escherichia-coli |
| C. | Corynebacterium |
| D. | Brucella |
| Answer» B. Escherichia-coli | |
| 594. |
The interval period between HIV infection and appearance of antibodies in serum is called |
| A. | Intrinsic period |
| B. | Incubation period |
| C. | Window period |
| D. | None of these |
| Answer» D. None of these | |
| 595. |
Log-phase is also known as |
| A. | Death phase |
| B. | Exponential phase |
| C. | Lag-phase |
| D. | None |
| Answer» D. None | |
| 596. |
Which of the following is most severlyaffected in Kala-azar? |
| A. | Liver |
| B. | Spleen |
| C. | Adrenal gland |
| D. | Bone marrow |
| Answer» C. Adrenal gland | |
| 597. |
Mycoplasmas differ from Chalamy-diae in that, it |
| A. | has ability to cause urinary tract infection |
| B. | lack of atrue bacterial cell wall |
| C. | susceptible to penicillin |
| D. | All of these |
| Answer» C. susceptible to penicillin | |
| 598. |
The by-product during streptomycinproduction is |
| A. | Vitamin A |
| B. | Proline |
| C. | Vitamin B12 |
| D. | None of these |
| Answer» D. None of these | |
| 599. |
T-cells are produced from |
| A. | Bonemarrow |
| B. | Thymus |
| C. | Spleen |
| D. | None of these |
| Answer» C. Spleen | |
| 600. |
The smallest amount of chemotherapeutic agents required to inhibit the growth of the organism in Vitro is known as |
| A. | MIC (minimum inhibitory concentration) |
| B. | Thermal death point (TDP) |
| C. | Death rate |
| D. | None of these |
| Answer» B. Thermal death point (TDP) | |