McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Bachelor of Agriculture (BSc agri) .
Chapters
| 601. |
Nuc le ic ac ids are h igh ly charged polymers due to |
| A. | There is phosphodiester bond between 5’- hydroxyl of one ribose and 3’–hydroxyl of next ribose |
| B. | They have positive and negative ends |
| C. | Nucleotides are charged structures |
| D. | Nitrogenous bases are highly ionized compounds |
| Answer» A. There is phosphodiester bond between 5’- hydroxyl of one ribose and 3’–hydroxyl of next ribose | |
| 602. |
The best studied example for specialized transduction is |
| A. | P1 phage |
| B. | P22 phage |
| C. | ë-phage |
| D. | Both a and c |
| Answer» C. ë-phage | |
| 603. |
The diagrammatic representation of the total no. of genes in DNA is |
| A. | Genome |
| B. | Gene map |
| C. | Gene-structure |
| D. | Chromatin |
| Answer» B. Gene map | |
| 604. |
During specialized transduction |
| A. | Large amound of DNA is transferred |
| B. | A few no. of genes are transferred |
| C. | Whole DNA is transferred |
| D. | None of these |
| Answer» B. A few no. of genes are transferred | |
| 605. |
The cell donating DNA during transformation is |
| A. | Endogenate |
| B. | Exogenate |
| C. | Mesozygote |
| D. | Merosite |
| Answer» B. Exogenate | |
| 606. |
Genetic information transfer DNA to RNA is called – |
| A. | Transcriptase |
| B. | Transduction |
| C. | Transformation |
| D. | Recombination |
| Answer» A. Transcriptase | |
| 607. |
The gene transfer occurs by – |
| A. | Transformation |
| B. | Transduction |
| C. | Conjugation |
| D. | Cell fusion |
| Answer» A. Transformation | |
| 608. |
Which of the following is called serum Hepatitis? |
| A. | HCV |
| B. | HAV |
| C. | HBV |
| D. | HIV |
| Answer» C. HBV | |
| 609. |
Which of the following was a non-neural vaccine for rabies? |
| A. | HEPV |
| B. | Card vaccine |
| C. | BPL |
| D. | Simple |
| Answer» A. HEPV | |
| 610. |
Which type of antibodies will associate in blood cell coagulation? |
| A. | IgE |
| B. | IgA |
| C. | IgM |
| D. | IgG |
| Answer» C. IgM | |
| 611. |
In a antigen haptens are |
| A. | Immunogenic |
| B. | Non-immunogenic |
| C. | Antigenic |
| D. | None of these |
| Answer» B. Non-immunogenic | |
| 612. |
The antibody that is first formed after infection is |
| A. | IgG |
| B. | IgM |
| C. | IgD |
| D. | IgE |
| Answer» B. IgM | |
| 613. |
Antibodies in our body are produced by |
| A. | B-lymphocyte |
| B. | T-lymphocytes |
| C. | Monocytes |
| D. | RBC’s |
| Answer» A. B-lymphocyte | |
| 614. |
The points at which crossing over has taken place between homologus chromosomes are called |
| A. | Chiasmata |
| B. | Synaptonemal complex |
| C. | Centromeres |
| D. | Protein axes |
| Answer» A. Chiasmata | |
| 615. |
How much of globulin is present in human serum? |
| A. | 8% |
| B. | 12% |
| C. | 16% |
| D. | 4% |
| Answer» A. 8% | |
| 616. |
The substance wh ich acts as ant imetabolites are called |
| A. | Activator |
| B. | Substrates |
| C. | Inhibitor |
| D. | Cofactor |
| Answer» C. Inhibitor | |
| 617. |
Enzymes are chemically |
| A. | Lipid |
| B. | Proteins |
| C. | Carbohydrates |
| D. | None of these |
| Answer» B. Proteins | |
| 618. |
Monoclonal antibodies are produced by |
| A. | Hybridoma technology |
| B. | Biotechnology |
| C. | Fermentation Technology |
| D. | None of these |
| Answer» A. Hybridoma technology | |
| 619. |
First line of body defence is |
| A. | Antibody molecules |
| B. | Unbroken skin |
| C. | Antigen molecules |
| D. | Phagocytic cells |
| Answer» B. Unbroken skin | |
| 620. |
What is the strength of the bond between antigen and antibody? |
| A. | Affinity |
| B. | Avidity |
| C. | Covalent |
| D. | None of these |
| Answer» B. Avidity | |
| 621. |
Syphillis is caused by |
| A. | Staphylococcus aureuss |
| B. | Yersinia psdtis |
| C. | Treponema pallidum |
| D. | Streptococcus syphilitis |
| Answer» C. Treponema pallidum | |
| 622. |
Nergibodies produced by rabies virus show characteristic _____ inner granues |
| A. | Basophilic |
| B. | Eosinophilic |
| C. | Neutrophilic |
| D. | Acidophilic |
| Answer» A. Basophilic | |
| 623. |
The widely used yeast for the production of single cell protein is |
| A. | Saccharomyces cerevisiae |
| B. | Rhizopus |
| C. | Candida utilis |
| D. | All of the above |
| Answer» C. Candida utilis | |
| 624. |
Analysis of protein antigen is by |
| A. | Southern blot |
| B. | Northern blot |
| C. | Western blot |
| D. | None of these |
| Answer» C. Western blot | |
| 625. |
Which of the following can provide naturally acquired passive immunity for the new born. |
| A. | IgA |
| B. | IgG |
| C. | IgE |
| D. | IgM |
| Answer» B. IgG | |
| 626. |
AIDS disease is caused by a virus which belongs to |
| A. | Retro virus group |
| B. | Rhabdo virus group |
| C. | Hepatitis virus group |
| D. | Adeno virus group |
| Answer» A. Retro virus group | |
| 627. |
Comp lement based agg lut inat ion reaction is known as |
| A. | Haem agglutination |
| B. | Coplement fixation |
| C. | Conglutination |
| D. | Schultz Dale Phenomenon |
| Answer» A. Haem agglutination | |
| 628. |
Reverse transcriptase is an enzyme involved in the synthesis of |
| A. | DNA |
| B. | Soluble RNA |
| C. | m-RNA from DNA |
| D. | Nucleotides |
| Answer» A. DNA | |
| 629. |
The cellular immune response is mediated by |
| A. | B cell |
| B. | T cell |
| C. | BT cells |
| D. | Endothelial cells |
| Answer» A. B cell | |
| 630. |
The major immunoglobulin present in the human serum is |
| A. | IgG |
| B. | IgA |
| C. | IgE |
| D. | IgG |
| Answer» A. IgG | |
| 631. |
Reagenic type antibody is |
| A. | IgG |
| B. | IgA |
| C. | IgM |
| D. | IgE |
| Answer» D. IgE | |
| 632. |
Blood group antigens are |
| A. | Species specific |
| B. | Isospecific |
| C. | Autospecific |
| D. | Organ specific |
| Answer» B. Isospecific | |
| 633. |
The reaction of soluble antigen with antibody is known by |
| A. | Precipitation |
| B. | Flocculation |
| C. | Agglutination |
| D. | Complement fixation |
| Answer» A. Precipitation | |
| 634. |
Interferon is composed of |
| A. | Lipid |
| B. | Lipoprotein |
| C. | Glycoprotein |
| D. | Nucleic acid |
| Answer» B. Lipoprotein | |
| 635. |
Agglutination reaction is strongest with the immunoglobulin: |
| A. | IgM |
| B. | IgG |
| C. | IgA |
| D. | IgD |
| Answer» A. IgM | |
| 636. |
The use of monoclonal antibodies is |
| A. | Immunotherapy |
| B. | Gene therapy |
| C. | Blood transfusion |
| D. | Organ transfusion |
| Answer» A. Immunotherapy | |
| 637. |
Hybridoma technique is used for |
| A. | Monoclonal antibodies |
| B. | Polyclonal antibodies |
| C. | Both a and b |
| D. | None of these |
| Answer» A. Monoclonal antibodies | |
| 638. |
Test used for AIDS is |
| A. | Widal test |
| B. | ELISA |
| C. | Aggluatination |
| D. | CFT |
| Answer» B. ELISA | |
| 639. |
Antibody having high valency is |
| A. | IgG |
| B. | IgA |
| C. | IgD |
| D. | IgM |
| Answer» D. IgM | |
| 640. |
Intensity of attraction between antigen and antibody molecule is known as |
| A. | Affiniy |
| B. | Avidity |
| C. | Reaction |
| D. | None of these |
| Answer» A. Affiniy | |
| 641. |
Active immunity is induced by |
| A. | Infection |
| B. | Placental transfer of antibodies |
| C. | Injection of antibodies |
| D. | Injection of gamma- globulins |
| Answer» A. Infection | |
| 642. |
Pasteur developed the vaccines for |
| A. | Anthrax |
| B. | Rabies |
| C. | Chicken cholera |
| D. | All of the above |
| Answer» D. All of the above | |
| 643. |
Delayed type of hypersensitivity is seen in |
| A. | Penicillin allergy |
| B. | Contact dermatitis |
| C. | Arthus reaction |
| D. | Anaphylaxis |
| Answer» B. Contact dermatitis | |
| 644. |
The fo l low ing are used for the preservation of virus, except |
| A. | Freezing (–20°C–70°C) |
| B. | Lyophilization |
| C. | Ether |
| D. | Formaldehyde |
| Answer» C. Ether | |
| 645. |
Antibody formation depends on |
| A. | Age of the person |
| B. | Amount of antigen |
| C. | Well being of the person |
| D. | All of the above |
| Answer» D. All of the above | |
| 646. |
Local immunity is important in |
| A. | Influenza |
| B. | Allergy |
| C. | Polio |
| D. | All of these |
| Answer» D. All of these | |
| 647. |
Role of magnesium in vaccine is |
| A. | Adjuvant |
| B. | Stabilizer |
| C. | Conditioner |
| D. | All of these |
| Answer» B. Stabilizer | |
| 648. |
Immunity is life long following |
| A. | Diphtheria |
| B. | Tetanus |
| C. | Measles |
| D. | Yellow fever |
| Answer» C. Measles | |
| 649. |
To prepare vaccine for small pox, the material used by Edward Jenner is |
| A. | Small pox material |
| B. | Chicken pox material |
| C. | Cow-pox material |
| D. | Measles material |
| Answer» C. Cow-pox material | |
| 650. |
During recombination, the strain that donates genetic material frequently with high rate: |
| A. | Hfr-Strain |
| B. | F+-Strain |
| C. | F-Strain |
| D. | both a and c |
| Answer» A. Hfr-Strain | |
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