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.
| 601. |
The role of phagocytosis was discoveredby |
| A. | Paul Ehrlich |
| B. | Joseph lister |
| C. | Elie Metchikoff |
| D. | Pasteur |
| Answer» D. Pasteur | |
| 602. |
Temperature used for hot air oven is |
| A. | 100oC for 1 hour |
| B. | 120oC for 1 hour |
| C. | 160oC for 1 hour |
| D. | 60oC for 1 hour |
| Answer» D. 60oC for 1 hour | |
| 603. |
Organelles with hydrolytic enzymes are |
| A. | Mitochondria |
| B. | Golgi complex |
| C. | Lysosomes |
| D. | Ribosomes |
| Answer» D. Ribosomes | |
| 604. |
In enteric fever, the organ lodgingmaximum number of the organism is |
| A. | Liver |
| B. | Gall bladder |
| C. | Small intestine |
| D. | Large intestine |
| Answer» C. Small intestine | |
| 605. |
AIDS virus is |
| A. | RNA viru |
| B. | DNA virus |
| C. | Retro virus |
| D. | Entero virus |
| Answer» D. Entero virus | |
| 606. |
For effective sterilization in an autoclavethe temperature obtained is |
| A. | 50oC |
| B. | 100oC |
| C. | 120oC |
| D. | 180oC |
| Answer» D. 180oC | |
| 607. |
Bacilli Calmette Guerin (BCG) contains theavirulent strains of |
| A. | Human tubercle bacilli |
| B. | Avian tubercle bacilli |
| C. | Bovine tubercle bacilli |
| D. | A typical mycobacteria |
| Answer» D. A typical mycobacteria | |
| 608. |
The following disease are caused byMycoplasma except |
| A. | Pneumonia in human beings |
| B. | Little leaf of Brinjal |
| C. | Dwarf disease of Mulbery |
| D. | Citrus canker |
| Answer» E. | |
| 609. |
The functions of plasmid are |
| A. | DNA replication |
| B. | Protein synthesis |
| C. | Cell wall synthesis |
| D. | None of the above |
| Answer» E. | |
| 610. |
DNA transfer from one bacterium toanother through phages is termed as |
| A. | Transduction |
| B. | Induction |
| C. | Transfection |
| D. | Infection |
| Answer» B. Induction | |
| 611. |
α-haemolytic streptococci are also knownas |
| A. | Str. pyogene |
| B. | Virulence group |
| C. | Viridans group |
| D. | None of these |
| Answer» D. None of these | |
| 612. |
The best example for symbiotic association is |
| A. | E.coli in intestine of man |
| B. | Lichens |
| C. | Normal floraof skin |
| D. | All of the above |
| Answer» C. Normal floraof skin | |
| 613. |
To be anaphylactic, the sensitizingsubstance should be |
| A. | Protein in nature |
| B. | Should have a large molecular weight |
| C. | Soluble in tissue fluids |
| D. | All of the above |
| Answer» C. Soluble in tissue fluids | |
| 614. |
Diptheria toxoid is prepared by using |
| A. | Aldehyde |
| B. | Formalin |
| C. | Phenols |
| D. | None of these |
| Answer» C. Phenols | |
| 615. |
The micro-organisms grow at highsalinity are |
| A. | Osmophile |
| B. | Halophiles |
| C. | Both a and b |
| D. | None of these |
| Answer» D. None of these | |
| 616. |
Causative organism of diphtheria wasfirst demonstrated by |
| A. | Robert Koch |
| B. | Lois Pasteur |
| C. | Klebs and Loeffler |
| D. | Volhard and Fahr |
| Answer» D. Volhard and Fahr | |
| 617. |
Mycorrhiza was first observed by |
| A. | Funk |
| B. | Frank |
| C. | Fisher |
| D. | Crick |
| Answer» C. Fisher | |
| 618. |
Which of the following is a neutral stain? |
| A. | Picric acid |
| B. | Gmiemsa |
| C. | Neutral red |
| D. | Malachite green |
| Answer» D. Malachite green | |
| 619. |
Reverse transcriptase is an enzymeinvolved in the synthesis of |
| A. | DNA |
| B. | Soluble RNA |
| C. | m-RNA from DNA |
| D. | Nucleotides |
| Answer» B. Soluble RNA | |
| 620. |
True about Enteric fever is |
| A. | Bacteraemia in first week |
| B. | Carrier in 90% |
| C. | All serotypes cause the disease |
| D. | Rosy spots on 18th day |
| Answer» B. Carrier in 90% | |
| 621. |
Measles vaccine is given to children atthe age of |
| A. | 1 year |
| B. | 7 months |
| C. | between 9 months and 10 years |
| D. | None of these |
| Answer» D. None of these | |
| 622. |
A bacterium containing prophage iscalled as |
| A. | Lytic |
| B. | Lysogen |
| C. | Lytogen |
| D. | None of these |
| Answer» C. Lytogen | |
| 623. |
Following cocci are non-motile except |
| A. | Staphylococcu |
| B. | Meningococcus |
| C. | Gonococcus |
| D. | Rhodococcus agilis |
| Answer» E. | |
| 624. |
The term mutation was coined by |
| A. | Pasteur |
| B. | Darwin |
| C. | Hugo devries |
| D. | Lamark |
| Answer» D. Lamark | |
| 625. |
Kauffmann white scheme is used to detect |
| A. | Salmonella spp. |
| B. | Shigella spp. |
| C. | E.coli |
| D. | None of these |
| Answer» B. Shigella spp. | |
| 626. |
Enhancement of virulence in bacteria is known as |
| A. | Pathogenicity |
| B. | Attenuation |
| C. | Exaltation |
| D. | Toxigenicity |
| Answer» D. Toxigenicity | |
| 627. |
The suitable assay method for antibioticsis |
| A. | Enzymatic assay |
| B. | Turbidometric assay |
| C. | End point determination assay |
| D. | Metabolic assay |
| Answer» D. Metabolic assay | |
| 628. |
Cholera occurs in _______ form |
| A. | Endemic |
| B. | Epidemic |
| C. | Sporadic |
| D. | all |
| Answer» E. | |
| 629. |
Industrial microbiology, mainly dependson the phenomenon |
| A. | Pasteurisation |
| B. | Fermentation |
| C. | Vaccination |
| D. | Both b and c |
| Answer» C. Vaccination | |
| 630. |
Interferon is composed of |
| A. | Lipid |
| B. | Lipoprotein |
| C. | Glycoprotein |
| D. | Nucleic acid |
| Answer» C. Glycoprotein | |
| 631. |
The no. of generations per hour in a bacteria is |
| A. | Growth rate |
| B. | Generation time |
| C. | Sigmoid curve |
| D. | None of these |
| Answer» C. Sigmoid curve | |
| 632. |
The bacteria, which is motile at 22oC butnon-motile at 37oC is |
| A. | Tranformation |
| B. | Transduction |
| C. | Conjugation |
| D. | Cell fusion |
| Answer» E. | |
| 633. |
Hetrolactic acid bacteria produce |
| A. | Lactic acid only |
| B. | Lactic acid + H2O + CO2 |
| C. | Lactic acid + CO2 |
| D. | Lactic acid + alchohol + CO2 |
| Answer» E. | |
| 634. |
Antitoxin is used for _____ immunization. |
| A. | Active |
| B. | Passive |
| C. | Both a and b |
| D. | None of these |
| Answer» C. Both a and b | |
| 635. |
The stain used to demonstrate fungus |
| A. | Albert |
| B. | Nigerosin |
| C. | Lactophenol cotton blue |
| D. | None of these |
| Answer» D. None of these | |
| 636. |
Laboratory diagnosis of enteric fever isbased on |
| A. | Blood culture |
| B. | Urine and stool culture |
| C. | Widal test |
| D. | All of the above |
| Answer» E. | |
| 637. |
If the microbes used in the vaccine areobtained from patient, they are |
| A. | Anti viral vaccines |
| B. | Anti bacterial vaccines |
| C. | Autogenous vaccines |
| D. | None of these |
| Answer» D. None of these | |
| 638. |
The cell wall deficient form of bacteria is |
| A. | Mycoplasma |
| B. | ‘L’ form |
| C. | Protoplast |
| D. | Spheroplast |
| Answer» C. Protoplast | |
| 639. |
Pyruvate decarboxylase acetaldehyde + CO2 = This reaction is specially observed in |
| A. | Lactic acid fermentors |
| B. | Ethanol fermentors |
| C. | Algae |
| D. | Plants |
| Answer» C. Algae | |
| 640. |
Which of the following amoeba does notlive in large intestine ? |
| A. | Entamoeba coli |
| B. | Entamoeda histolytica |
| C. | Endolimax nana |
| D. | Entamoeba gingivalis |
| Answer» E. | |
| 641. |
First line of body defence is |
| A. | Antibody molecules |
| B. | Unbroken skin |
| C. | Antigen molecules |
| D. | Phagocytic cells |
| Answer» C. Antigen molecules | |
| 642. |
Aldehydes, which are most powerfuldisinfectants |
| A. | Formaldehyde |
| B. | Acetaldehyde |
| C. | Glutamal aldehyde |
| D. | Both a and c |
| Answer» E. | |
| 643. |
Compound Microscope was discovered by |
| A. | A.V. Lewenhoek |
| B. | Pasteur |
| C. | Janssen and Hans |
| D. | None of these |
| Answer» D. None of these | |
| 644. |
The coating of a bacterium with antibody or complement that leads to enhanced phagocytosis of the bacterium by phagocytes is called |
| A. | Opsonisation |
| B. | Aggulation |
| C. | CFT |
| D. | None of these |
| Answer» B. Aggulation | |
| 645. |
Culture medium used for fungus is |
| A. | Sabouraud’s medium |
| B. | Nutrient agar |
| C. | Nutrient broth |
| D. | Minimal agar medium |
| Answer» C. Nutrient broth | |
| 646. |
Growth in a closed system, affected by nutrient limitation and waste product accumulation is called |
| A. | Batch culturing |
| B. | Ascus |
| C. | Fruiting body |
| D. | Sporangiosphore |
| Answer» B. Ascus | |
| 647. |
Peptide linkages are formed in between |
| A. | Nucleotides |
| B. | Amino acids |
| C. | Glucose molecules |
| D. | Sucrose |
| Answer» C. Glucose molecules | |
| 648. |
Plasmids are ideal vectors for genecloning as |
| A. | They can be multiplied by culturing |
| B. | They can be multiplied in the laboratory using enzymes |
| C. | They can replicate freely outside the bacterial cell |
| D. | They are self replicating within the bacterial cell |
| Answer» E. | |
| 649. |
HIV is belonging to |
| A. | Retro Viridae |
| B. | Rhabdo Viridae |
| C. | Toga Viridae |
| D. | Paramyxo Viridae |
| Answer» B. Rhabdo Viridae | |
| 650. |
The character acquired by the cell due torecombination is |
| A. | Inheritable |
| B. | Syppressed |
| C. | Dominating |
| D. | Heritable |
| Answer» E. | |