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451.

Sexual phases (gametocyte) of Plasmodium occurs in :A. salivary glands of mosquitoB. Human RBCC. Intestine of mosquitoD. Human liver

Answer» Correct Answer - B
sexual stage (gametocyte) of plasmodium occurs in human RBC
452.

concept of crop-cafeteria and crop-scheduling was given byA. M.S. SwaminathanB. Norman BorlaugC. Both A and BD. P.Maheshwari

Answer» Correct Answer - A
concept of crop-cafeteria and crop scheduling was given by m. s. swaminathan.
453.

Bacillary dysentery is due to:A. ShigellaB. EntamoebaC. SalmonellaD. Staphyococcus

Answer» Correct Answer - A
454.

Dysentery is caused byA. Entamoeba histolyticaB. Entamoeba coliC. Escherichia coliD. Bacteria

Answer» Correct Answer - D
dysentery is caused by places.
455.

For the prevention and control of malaria the most important measure isA. Doors and window should be provided with wire meshB. Spraying of insecticides in ditches drainage areas and swampsC. Control or eliminate the vectors and their breeding placesD. Introducing Gambusia fish in ponds

Answer» Correct Answer - C
for the prevetion and control of malaria ,the most imporatant measure is control or eliminate the vectors and their breeding places.
456.

Human immuno deficiency virus (HIV) has a protein coat and a genetic material which isA. Single stranded DNAB. Single stranded RNAC. Double stranded RNAD. Double stranded DNA

Answer» Correct Answer - B
457.

Anti venom against snake poison containsA. antigensB. antigen-antibody complexesC. antibodiesD. enzymes

Answer» Correct Answer - c
458.

Grafted kidney may rejected in a patient due toA. Cell -mediated immune responseB. Passive immune responseC. Innate immune responseD. Humoral immune response

Answer» Correct Answer - A
grafled kidney may be rejected in a patient due to cell-mediated immune response(CMI)
459.

In higher vertebrates, the immune system can distinguish self-cells and non-self. If this property is lost due to genetic abnormality and it attacks self-cells, then it leads toA. Auto -immune diseaseB. Active immunityC. Allergy responseD. Graft rejection

Answer» Correct Answer - A
In higer vertebrates, the immune system can distinguish self-cells and non -self. If this property is lost due to genetic abnormality and it attacks self- cells , then it leads to auto-immune disease.
460.

Which of the following statements is not true for cancer cells in relation to mutationsA. Mutations inactivate the cell control.B. Mutations destroy telomerase inhibitor.C. Mutations inhibit production of telomerase.D. Mutations in proto-oncogenes accelerate the cell cycle.

Answer» Correct Answer - C
461.

Sometime due to genetic and other unknown reasons, the body attacks self-cells .this results in damage to the body and is calledA. AllergyB. Auto-immunityC. ImmunisationD. Contact inhibition

Answer» Correct Answer - B
sometime due to genetic and other unknown reasons the body attacks self-cells .This results in damage to the body and is called auto-immunity
462.

Which one of the following pairs of diseases is viral as well as transmitted by mosquitoes ?A. Elephantiasis and dengueB. Yellow fever and sleeping sicknessC. Encephalitis and sleeping sicknessD. yellow fever and dengue.

Answer» Correct Answer - D
463.

Which one of the following pairs of diseases is viral as well as transmitted by mosquitoes ?A. Yellow fever and dengueB. Elephantiasis and dengueC. Yellow fever and sleeping sicknessD. Encephalitis and sleeping sickness

Answer» Correct Answer - A
464.

Which is common between AIDS and Hepatitis -B ? (i) both are viral diseases (ii) Both are transmitted by infected needles and syringes (iii) Both are infectious diseases (iv) Both are chronic diseases (v) Both are ultimately fatalA. ii, iii, iv and vB. I, ii, iii and vC. I, ii, iii, iv and vD. ii, iii, and v

Answer» Correct Answer - C
Common between AIDS and Hepatitis -B
(i) Both are viral diseases
(ii) both are transmitted by infected needles and syringes
(iii) both are infectious diseases
(iv) Both are chronic diseases
(v) both are ultimately fatal
465.

The disease caused caused by virus is:A. smallpoxB. typhoidC. pneumoniaD. tuberculosis

Answer» Correct Answer - A
Pneumonia, tuberculosis and typhoid are bacterial diseases.
466.

Which of the following diseases is not caused by virus?A. AIDSB. RabiesC. MumpsD. Tuberculosis

Answer» Correct Answer - D
467.

The pair of disease caused by virus isA. Typhoid and tetanusB. Rabies and mumpsC. Cholera and tuberculosisD. AIDS and synphilis

Answer» Correct Answer - B
468.

Which Ig is produced in primary immune response or Which antibody is first to be released into blood following an infectionA. IgAB. IgEC. IgMD. IgG

Answer» Correct Answer - C
IgM is produced in primary immune response .
469.

Cancer cells are characterized byA. spreading to other body partsB. invasing of local tissueC. uncontrolled growthD. all of the above

Answer» Correct Answer - D
470.

`Co^(30)`is used for the treatment of:A. CancerB. ThyroidC. AIDSD. Hepatitis

Answer» Correct Answer - A
471.

Benign tumour is the one whichA. shows metastasisB. differentiated and capsulatedC. differentiated and non-capsulatedD. undifferentiated and non-capsulated

Answer» Correct Answer - B
472.

ATS inoculation protects our body from:A. tetanusB. choleraC. leprosyD. typhoid

Answer» Correct Answer - A
473.

Which of the following diseases is contracted through wounds?A. PlagueB. TetanusC. CholeraD. Tuberculosis

Answer» Correct Answer - B
474.

Electron beam therapy is a kind of radiation therapy to treatA. enlarged prostate glandB. gall bladder stoner by breaking themC. certain types of cancerD. kidney stones

Answer» Correct Answer - C
475.

The disease eradication programme, with reference to mycobacterium leprae isA. NCCPB. NFCPC. NLCPD. NSEP

Answer» Correct Answer - C
476.

Metastasis is associated with:A. Benign tomourB. Malignant tumourC. both bening and malignant tumourD. Crown gall tumour

Answer» Correct Answer - B
Metastasis is connected with malignant tumour.
477.

Cancer is generally caused due to activation of ………..to ………….and/or inactivation of ……….A. Oncogen ,tumour suppressor gene, protooncogeneB. Tumour sppressor gene, oncgene, protooncogeneC. Protooncogene , oncogene , tumour supressor geneD. Oncogene, protooncogene, tumour suppressor gene

Answer» Correct Answer - C
Cancer is caused due to activation of Protooncogene to oncogene and`//`or inactivation of tumour suppressor gene,
478.

Treatment of cancer can be made byA. Radiation therapyB. SurgeryC. ImmunotherapyD. All of the above

Answer» Correct Answer - D
Treatment of cancer can be made by radiation therapy surgery immunotherapy and chemotherapy
479.

Nulcear leakage is:A. CarcinogenicB. ImmunosuppressantC. AutoimmunisingD. Infectious

Answer» Correct Answer - A
Nuclear leakage is carcinogenic
480.

Anthrax is caused by:A. virusB. fungusC. bacteriumD. chemical compounds

Answer» Correct Answer - C
481.

The animals most frequently infected with anthrax are:A. sheepB. cattleC. goatsD. all of these

Answer» Correct Answer - D
482.

Explain any three preventive measures to control microbial infections.

Answer» Preventive measures to control microbial infection include
(i) Maintenance of personal and public hygiene by
(a) Proper cleanliness standards and practices.
(b) Proper disposal of waste.
(c) Periodic cleaning of water reservoirs, etc.
(ii) Control or elimination of vectors that transmit diseases by
(a) Checking water stagnation and garbage accumulation.
(b) Using disinfectants or biological methods to check their breeding and spread.
(iii) Proper immunisation by vaccination, wherever available to control or completely eradicate infectious deseases.
483.

Do you consider passive smoking is more dangerous than active smoking ?

Answer» Passive smoking can be equally dangerous because it exposes the persons to the same harmful effect of smoke.
Passive or second hand smoking means being in the same room or place, where some one is smoking and getting exposed to smoke in the surrounding air.
Once inhaled , the smoke can trigger release of mucus in the bronchioles that blocks the airways. This induces coughing. But prolonged exposures can lead to bronchitis emphysema, respiratory tract infections and eventually lung cancer.
484.

Assertion : Tobacco has been used for human beings for more than four centuries. Reason : smoking is associated with increased incidences of cancers of lung, urinary bladder and throat bronchitis emphysema , coronary heart disease gastric ulcer. etc,A. If both assertion and reason are true and the reason is the correct explanation of the assertion.B. If both assertion and reason are true but reason is not the correct explanation of the assertion.C. If assertion is true but reason is false.D. If both assertion and reason are false.

Answer» Correct Answer - B
Tobacco has been used for human beings for more than four centuries.
Smoking is associated with increased incidences of cancers of lung urinary bladder throat bronchitis emphysema coronary heart disease gastric ulcer etc.
485.

Disease spreads by droplet infection isA. Common coldB. SmallpoxC. MeaslesD. All of these

Answer» Correct Answer - B
486.

Assertion: HIV infection more often spreads due to conscious behaviour patterns and is not something that happens inadvertently , like pneumonia or typhoid. Reason : Of course , infection of AIDS in blood transfusion patients newborns (from mother) etc. may takes place due to poor monitoring.A. If both assertion and reason are true and the reason is the correct explanation of the assertion.B. If both assertion and reason are true but reason is not the correct explanation of the assertion.C. If assertion is true but reason is false.D. If both assertion and reason are false.

Answer» Correct Answer - B
HIV infection more often spreads due to conscious behaviour patterms and is not something that happens inadvertently like pneumonia or typhoid.
Of course infection of AIDS in blood transfusion patients new-borns (from mother) etc. may takes place due to poor monitoring .
487.

Which one is obtained by acetylation of morphineA. Smack `//`heroinB. charasC. CocaineD. Benzodiazepine

Answer» Correct Answer - A
Smack`//`heroin is obtained by acetylation of morphine.
488.

Grafting of tissue or organ between individuals of different species is calledA. XenograftB. IsograftC. AutograftD. Allograft

Answer» Correct Answer - A
Autograft : Graft is the own body tissue . E.g. Skin graft .
A utograft has lower risk of rejection so it is the most successful translantation .
2. Isograft : Graft is from the twins
3. Allograft : Graft from the individual of same species.
4. Xenograft : Graft from the individual of other species
489.

One of the faster and less expensive procedures for preliminary screening of potential carcinogens include…..test.A. BiuretB. ****C. AmesD. ELISA

Answer» Correct Answer - C
490.

Oncogene is another name for:A. inducer geneB. jumping geneC. structural geneD. cancer causing gene

Answer» Correct Answer - D
491.

The treatment of cancer with X-rays or `gamma`-rays is called:A. RadiotherapyB. ChemotherapyC. Hormone therepyD. Immunotherapy

Answer» Correct Answer - A
Treatment of cancer by X-rays or Gamma rays is radiotherapy .
492.

Which of the following is used in the treatment of thyroid cancer?A. `I_(131)`B. `U_(258)`C. `Ra_(224)`D. `C_(14)`

Answer» Correct Answer - A
493.

Blood cancer is excess production of leucocytes . It is Or Blood cancer is also known asA. LeukemiaB. ThrombosisC. HaemphiliaD. Haemolysis

Answer» Correct Answer - A
Blood cancer is leukemia.
494.

The treatment of cancer with X-rays or `gamma`-rays is called:A. radiation therapyB. chemotherapyC. immunotherapyD. hormone therapy

Answer» Correct Answer - A
495.

Cancer treatment includes:A. surgeryB. radiotherapyC. treatment with anticancer drugsD. all of the above

Answer» Correct Answer - D
496.

The treatment of cancer with X-rays or `gamma`-rays is called:A. Hormone therapyB. ChemotherapyC. Radiation therapyD. All of the above

Answer» Correct Answer - C
497.

Which of the following is not used for the treatment of cancerA. `I^(131)`B. `Co^(60)`C. StreptokinaseD. Taxol

Answer» Correct Answer - C
498.

Which of the following is a type of cancer?A. LeukaemiaB. EmphysemaC. ThrombosisD. Angina pectoris

Answer» Correct Answer - A
499.

Leukaemia is due to:A. excess of RBCB. excess of WBCC. plateletsD. all of these

Answer» Correct Answer - B
500.

Increased asthmatic attacks in certain seasons are due toA. Inhalation of seasonal pollenB. Heat and humadityC. Low temperatureD. Eating preserved fruits

Answer» Correct Answer - A
Increased asthmatic attacks in certain seasons are due to inhalation of seasonal pollen