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MCQOPTIONS
This section includes 859 Mcqs, each offering curated multiple-choice questions to sharpen your Cloud Computing knowledge and support exam preparation. Choose a topic below to get started.
| 751. |
Most sensitive test for Treponema- |
| A. | RPR |
| B. | VDRL |
| C. | Kahn |
| D. | FTA -ABS |
| Answer» E. | |
| 752. |
Recurrent facial/oropharyngeal/laryngeal edema in a patient has low C4, normal C3 and normal factor B.The phathogenesis is most likely due to - |
| A. | Immune coplex disease |
| B. | C1 esterase inhibitors deficiency |
| C. | Hereditary deficiency of C2 |
| D. | Both A and B |
| Answer» E. | |
| 753. |
In a dry cell, the function of zinc casing is to |
| A. | act as the positive terminal |
| B. | act as the negative electrode |
| C. | to act as electrolyte |
| D. | to hold the carbon rod |
| Answer» C. to act as electrolyte | |
| 754. |
The individual best remembered for bringing microbes to the world is |
| A. | Antony Van Leeuenhoek |
| B. | Robert Hooke |
| C. | Masaki Ogata |
| D. | Robert Koch |
| Answer» B. Robert Hooke | |
| 755. |
Which of the following proteins would not need localization signal? |
| A. | A cytosolic protein |
| B. | A nuclear protein |
| C. | A cell surface protein |
| D. | A protein bound to the endoplasmic reticulum (ER) membrane |
| Answer» B. A nuclear protein | |
| 756. |
Which of the following statements about Hepatitis C is true |
| A. | Most common indication for Liver transplantation |
| B. | DNA virus |
| C. | Does not cause coinfection with hepatitis B |
| D. | Does not cause Liver cancer |
| Answer» B. DNA virus | |
| 757. |
Lactoferrin helps to protect against pathogens by |
| A. | blocking sebum production |
| B. | sequestering Iron |
| C. | facilitating the growth of normal flora |
| D. | lowering the pH |
| Answer» D. lowering the pH | |
| 758. |
Spherule is a feature of which of the following fungus - |
| A. | Blastomyces |
| B. | Coccidiodes |
| C. | Histoplasma |
| D. | Paracoccidiodes |
| Answer» C. Histoplasma | |
| 759. |
Extrachromosomal genetic materials are called |
| A. | Plasmids |
| B. | Mesosomes |
| C. | Ribosomes |
| D. | Lysosomes |
| Answer» B. Mesosomes | |
| 760. |
All are inhabitants of Liver except |
| A. | F.hepatica |
| B. | F. buski |
| C. | Clonorchis sinensis |
| D. | Opisthorchis felincus |
| Answer» C. Clonorchis sinensis | |
| 761. |
If radioactive bicarbonate was supplied to bacterial cells, which were actively synthesizing fatty acids, it is expected to find the bulk of the radioactivity in |
| A. | the fatty acids |
| B. | cellular bicarbonate |
| C. | nucleic acids |
| D. | the cytoplasmic membrane |
| Answer» C. nucleic acids | |
| 762. |
All of the following disease may be acquired by ingestion except |
| A. | Teniasis |
| B. | Guinea worm |
| C. | Toxoplasmosis |
| D. | Leishmaniasis |
| Answer» E. | |
| 763. |
HACEK group of organism includes all except - |
| A. | Acinetobacter Boumannii |
| B. | Haemophilus aphrophilus |
| C. | Eikenella corrodens |
| D. | Cardiobacterium Hominis |
| Answer» B. Haemophilus aphrophilus | |
| 764. |
All the following are true of Tuberculosis except |
| A. | For sputum to be positive,bacilli should be > 104 /ml |
| B. | Niacin test differentiates M. tuberculosis and M.bovis |
| C. | Pathogenicity to rabbits differentiates M. tuberculosis and M.bovis |
| D. | Culture techniques have low sensitivity |
| Answer» E. | |
| 765. |
A person returns to Delhi from Bangladesh after 2 days and has diarrhoea.Stool examination shows RBCs in stool.The likely organism causing is: |
| A. | Enteropathogenic E.Coli |
| B. | Enterotoxicogenic E.Coli |
| C. | Salmonella typhi |
| D. | Shigella dysenteriae |
| Answer» E. | |
| 766. |
A labourer involved with repair-work of sewers was admitted with fever,jaundice and renal failure.The most appropriate test to diagnose the infection in this patient is: |
| A. | Paul Bunnel test |
| B. | Weil Felix test |
| C. | Micro immunoflurescence test |
| D. | Microscopic agglutination test |
| Answer» E. | |
| 767. |
The role of bacteriophyll in an oxygenic photosynthesis is to |
| A. | reduce NADP directly |
| B. | reduce ferridoxin directly |
| C. | transfer electrons to an intermediate in the sulfide oxidation pathway |
| D. | use light energy to energize an electron |
| Answer» E. | |
| 768. |
A microarray differs from a gene fusion in that, it |
| A. | is not constructed by cloning |
| B. | carries DNA segments from many different genes |
| C. | all of the above |
| D. | gives direct measurement of mRNA level |
| Answer» E. | |
| 769. |
The following are true regarding Lyme's Disease,except: |
| A. | Erythema chronicum migraines may be a clinical feature |
| B. | It is transmitted by ixodes tick |
| C. | Rodents act as natural hosts |
| D. | Borrelia recurrentis is the aetiological agent |
| Answer» E. | |
| 770. |
Which of the following expresses CD3 surface antigen? |
| A. | T cells |
| B. | Granulocytes |
| C. | B cells |
| D. | Monocytes |
| Answer» B. Granulocytes | |
| 771. |
Lens antigens of the eye are |
| A. | sequestrated antigens |
| B. | cross-reacting antigens |
| C. | none of these |
| D. | neoantigens |
| Answer» D. neoantigens | |
| 772. |
Not anaerobic |
| A. | C tetani |
| B. | Bacteroides |
| C. | Enterococcus feacalis |
| D. | Peptostreptococcus |
| Answer» D. Peptostreptococcus | |
| 773. |
Chemokine co-receptor for HIV found on macrophage is - |
| A. | CD4 |
| B. | CD8 |
| C. | CCR5 |
| D. | CXCR4 |
| Answer» D. CXCR4 | |
| 774. |
Bacillus used to test efficacy of Sterilisation by Autoclave is ? |
| A. | Bacillus used to subtilis |
| B. | Bacillus pumilis |
| C. | Bacillus stearothermophilus |
| D. | Coxiella burneti |
| Answer» D. Coxiella burneti | |
| 775. |
Most of the energy in aerobic respiration of glucose is captured by |
| A. | electron transport of electrons from NADH |
| B. | substrate-level phosphorylation |
| C. | the enzyme formic-hydrogen lyase |
| D. | long-chain fatty acid oxidation |
| Answer» B. substrate-level phosphorylation | |
| 776. |
Lancefield classification based on - |
| A. | Carbohydrate antigen |
| B. | M protein |
| C. | T protein |
| D. | Cell wall petidoglycan |
| Answer» B. M protein | |
| 777. |
In which stage of filariasis are microfilaria seen in peripheral blood: |
| A. | Early adenolymphangitis stage |
| B. | Tropical eosinophilia |
| C. | Elephantiasis |
| D. | Late adenolymphangitis stage |
| Answer» B. Tropical eosinophilia | |
| 778. |
Substances which can remain in soil for many years are called as |
| A. | insecticides |
| B. | microorganisms |
| C. | dichloro-diphenyl tricholoroethane |
| D. | dichloro-triphenyl dichloroethane |
| Answer» D. dichloro-triphenyl dichloroethane | |
| 779. |
Cell mediated is by virtue of ? |
| A. | Helper t cells |
| B. | Suppressor t cells |
| C. | Cytotoxic t cells |
| D. | All of the above |
| Answer» E. | |
| 780. |
Which is not a Macrophage - |
| A. | Monocyte |
| B. | Microglia |
| C. | Kupffer cells |
| D. | Lymphocytes |
| Answer» E. | |
| 781. |
A 7 yrs presented with intermitted abdominal cramps,loose stools and on stool examination ova of size 100 micrometre is seen.Which is not the causes ? |
| A. | Gastrodiscoides hominis |
| B. | Opisthorcis viverrani |
| C. | Fasciola gigantic |
| D. | Echinostorum ileocaxnum |
| Answer» C. Fasciola gigantic | |
| 782. |
Cholera toxin effects are mediated by stimulation of which of the following second messengers: |
| A. | Ca++-calmoduline |
| B. | IP3/DAG |
| C. | cAMP |
| D. | cGMP |
| Answer» D. cGMP | |
| 783. |
The original enzyme(s) used in PCR reaction is/are known as |
| A. | E. coli RNA polymerase |
| B. | E. coli DNA polymerase |
| C. | all of these |
| D. | Taq polymerase |
| Answer» C. all of these | |
| 784. |
Bacteria may acquire characteristics by all of the following except: |
| A. | Incorporating part of host DNA |
| B. | Taking up soluble DNA fragments across their call wall from other species |
| C. | Through conjugation |
| D. | Through bacteriophages |
| Answer» B. Taking up soluble DNA fragments across their call wall from other species | |
| 785. |
Which theory correctly predicted the motions of Mercury? |
| A. | General Theory of Relativity |
| B. | Gravitational Theory |
| C. | Heliocentric Theory |
| D. | Theory of Evolution |
| Answer» B. Gravitational Theory | |
| 786. |
In aerobic respiration, the terminal electron acceptor is |
| A. | nitrogen |
| B. | oxygen |
| C. | nitrate |
| D. | hydrogen |
| Answer» C. nitrate | |
| 787. |
Inverted repeat sequences at each end and a gene encoding transposase is contained in which of the following transposable element? |
| A. | Insertion element |
| B. | Composite transposon |
| C. | Plasmid |
| D. | Virus |
| Answer» C. Plasmid | |
| 788. |
The first genetically modified pet was sold in United States in |
| A. | 2008 |
| B. | 2003 |
| C. | 2004 |
| D. | 2006 |
| Answer» C. 2004 | |
| 789. |
Chagas disease is caused by ? |
| A. | Trypanosoma cruzi |
| B. | Trypanosoma gambiense |
| C. | Trypanosoma brucei |
| D. | Leishmania donnovani |
| Answer» B. Trypanosoma gambiense | |
| 790. |
The phosphate inhibition in the clavine formation with Claviceps SD58, can be counteracted by the addition of |
| A. | methionine |
| B. | alanine |
| C. | lysine |
| D. | tryptophan |
| Answer» E. | |
| 791. |
All of the following statements are true regarding hand-foot and mouth disease except: |
| A. | Causative agent is coxssakievirus A |
| B. | Causative agent is coxssakievirus B |
| C. | Manifested by vesicles in hand and feet |
| D. | Is highly infectious |
| Answer» C. Manifested by vesicles in hand and feet | |
| 792. |
Which of the following statements is false regarding B cells? |
| A. | B one marrow stem cells migrate to the thymus and develop into B cells |
| B. | B cells can undergo class switching and produce a different antibody type |
| C. | B cells that recognize high concentrations of antigens (self) in the absence of other signals undergo apoptosis in the bone marrow |
| D. | B cells synthesize antibodies and put them on their cell surface |
| Answer» E. | |
| 793. |
Distillate is a liquid that |
| A. | condenses after distillation |
| B. | mixes together |
| C. | a substance that will not dissolve |
| D. | does not sink due to very fine particles |
| Answer» B. mixes together | |
| 794. |
The first organism in most natural food chains is |
| A. | a decomposer |
| B. | a herbivore |
| C. | carnivorous |
| D. | photosynthetic |
| Answer» C. carnivorous | |
| 795. |
A patient made a self-diagnosis of athlete's foot (tineapedis)and began using a product advertised on television.The condition improved but did not clear and then the patient showed himself to a Dermatologist.A skin scarping was sent to the laboratory for culture,including culture for fungi.The fungal culture yielded a slow growing colony,which produced a few small microconidia.This is consistent with isolation of a dermatophyte of the genera: |
| A. | Trichophyton |
| B. | Microsporum |
| C. | Epidermophyton |
| D. | Trichosporon |
| Answer» B. Microsporum | |
| 796. |
R factors involved in plant-microbe interactions are |
| A. | bacterial proteins |
| B. | plant proteins |
| C. | also called opines |
| D. | essential for transfer of DNA to plant cells |
| Answer» C. also called opines | |
| 797. |
All the following are true regarding R5 strain of HIV except - |
| A. | Utilizes CCR5 Co-receptor |
| B. | Predominates in late stages of HIV |
| C. | Transmits HIV efficiently |
| D. | Infects microglial cells |
| Answer» C. Transmits HIV efficiently | |
| 798. |
The agent responsible for causing mad cow disease is thought to be a |
| A. | protozoan |
| B. | fungus |
| C. | virus |
| D. | prion |
| Answer» E. | |
| 799. |
Culture of lepra bacilli done in: |
| A. | Nine-banded armadillo |
| B. | Tail of mouse |
| C. | Foot pads of mice |
| D. | Nutrient agar |
| Answer» D. Nutrient agar | |
| 800. |
Epidemiological marker of Hepatitis B is |
| A. | Core antigen |
| B. | Core antibody |
| C. | HBs Ag |
| D. | HBe Ag |
| Answer» D. HBe Ag | |