57 - AIIMS community medicine mcqs or social and preventive medicine mcqs ( spm or psm ) from all previous years AIIMS papers with answers - part 47

236q: the most common cause of blindness in India is ?

answer cataract .

237q: under national programme for prevention of nutritional blindness , a child in the age group of 6-11 months is given a mega dose of vitamin A equal to ?

a. 50000 IU
b. 1 lakh IU
c. 1.5 lakh IU
d. 2 lakh IU

answer b . 1 lakh IU .

238q: the usual incubation period of pertussis is ?

answer 7-14 days .

239q: risk of damage of fetus by maternal rubella is maximum if mother gets infected in ?

a. 6-12 weeks of pregnancy
b. 20-24 weeks of pregnancy
c. 21-25 weeks of pregnancy
d. 32 – 36 weeks of pregnancy

answer a . 6-12 weeks of pregnancy .

240q: deficienct in weight for height in a 3 year old child indicates

a. acute malnutrition
b. chronic malnutrition
c. concomitant acute and chronic
d. underweight

answer a. acute malnutrition .

241q: several studies show that 85 % of cases of lung cancer are due to cigarette smoking . it is a measure of ?

a. incidence rate
b. relative risk
c. attributable risk
d. absolute risk

answer c . attributable risk

56 - AIIMS community medicine mcqs or social and preventive medicine mcqs ( spm or psm ) from all previous years AIIMS papers with answers - part 46

231q: if the birth weight of each of the babies born in a hospital in a day is found to be 2.8 kgs , then the standard deviation of the sample will be ?

a. 2.8
b. 0
c. 1
d. 0.28

answer b . 0 .

232q: a diagnostic test for a particular disease has a sensitivity of a 0.90 and a specificity of 0.80 . a single test is applied to each subject in the population in which the diseased population is 30 %. What is the probability that a person negative to this test , has no disease ?

answer 95 %

233q: according to WHO , blindness is defined as a visual acuity of the better eye , less than ?

a. 6/60
b. 5/60
c. 4/60
d. 3/60

answer d . 3/60 .

234q: the drug of choice for treating cholera in a pregnant women is ?

a. tetracycline
b. doxycycline
c. furazolidine
d. cotrimoxazole

answer c . furazolidine . for adults it is doxycycline and for children it is cotrimoxazole

235q: when an intervention is applied to community to evaluate its usefulness , it is termed as a trial for

a. efficacy
b. effectiveness
c. efficiency
d. effect modification

answer b . effectiveness .

55 - AIIMS community medicine mcqs or social and preventive medicine mcqs ( spm or psm ) from all previous years AIIMS papers with answers - part 45

226q: vitamin A deficiency is considered a public health problem if prevalence rate of night blindness in children between 6 months to 6 years is more ?

a. 0.01 %
b. 0.05 %
c. 0.1 %
d. 1.0 %

answer d . 1.0 %

227q: the highest perecentages of PUFAs are present in ?

a. groundnut oil
b. soyabean oil
c. margarine
d. palm oil

answer b . soya bean oil .

In the decreasing order of content of PUFA :

1. SAFFLOWER OIL ,
2. SUNFLOWER OIL,
3. CORN OIL,
4. SOYABEAN OIL,
5. COTTON OIL,
6. MARGARINE OIL,
7. GROUNDNUT OIL,
8. PALM OIL,
9. BUTTER and
10. COCONUT OIL .

228q: a randomized trial comparing efficacy of two regimens showed that difference is statistically significant with P greater than 0.001 but in reality the two drugs do not differ in their efficacy . this is an example of :

a. type-I error ( alpha error )
b. type-II error ( beta error )
c. I-alpha
d. I-beta

answer a. type-I error ( alpha error )

229q: histogram is used to describe ?

a. quantitative data of a group of patients
b. qualitative data of a group of patients
c. data collected on nominated scale
d. data collected on ordinal scale

answer a . quantative data of group of patients .

230q: a physician after examining a group of patients of a certain disease , classifies the condition of each one as NORMAL, MILD, MODERATE or SEVERE . which one of the following is the scale of measurement that is being adopted for classification of the disease condition ?

a. nominal
b. interval
c. ratio
d. ordinal

answer d . ordinal .

54 - AIIMS community medicine mcqs or social and preventive medicine mcqs ( spm or psm ) from all previous years AIIMS papers with answers - part 44

221q: which of the following is not transmitted by lice ?

a. Q fever
b. Trench fever
c. Relapsing fever
d. Epidemic typhus

answer a . Q fever .

222q: true about endemic typhus ?

a. man is the only reservoir of infection
b. flea is a vector of the disease
c. the rash developing into an eschar is characteristic of the disease
d. culture is the diagnostic modality

answer b. flea is a vector of the disease

223q: brucellosis can be transmitted by all of the following modes except ?

a. contact with infected placenta
b. ingestion of raw vegetables from infected farms
c. person to person transmission
d. inhalation of infected dust or aerosol

answer c . person to person transmission .

224q: the following statements are true regarding leptospirosis except ?

a. it is zoonosis
b. man is the dead end host
c. man is an accidental host
d. lice act as vectors of infection

answer d . rats and small rodents are the vectors of the disease.

225q: the mechanisms by which cholera might be maintained during the intervals between peak cholera seasons is ?

a. carrier status in animals
b. carrier status in man
c. an environmental reservoir
d. continuous transmission in man

answer d . continuous transmission in man.

53 - AIIMS community medicine mcqs or social and preventive medicine mcqs ( spm or psm ) from all previous years AIIMS papers with answers - part 43

216q: under eradication of congenital rubella syndrome program the first priority group for rubella vaccination is ?

a. all non pregnant women of age 15 to 34
b. all adolescent non pregnant girls 15 to 24 years of age
c. all female children at one year
d. all non pregnant women

answer a. all non pregnant women of age 15 to 34 .

217q: the highest percentages of PUFAs are present in ?

a. ground nut oil
b. palm oil
c. margarine
d. soya bean oil

answer d . soya bean oil .

218q: cluster sampling all are true except ?

a. obtained by stratification of population
b. according to study design the sample size will vary
c. can be done by random sampling from groups
d. similar to simple random sampling

answer d is false becoz it is not similar to random sampling.

219q: the major purpose of randomization in clinical trials is to ?

a. facilitate double blinding
b. help ensure that the study subjects are representative of the general population
c. ensure that the groups are comparable on baseline characterisitics
d. reduce selection bias in allocation of treatment

answer c . ensure that the groups are comparable on baseline characterisitics

220q: about IUCD all are true except ?

a. efficiency of lippes loop and copper-T are almost same
b. used as an emergency contraception upto 5 days post exposure
c. LNG IUCD has a life span of 5 years
d. Multiload copper-T belongs to third generation

answer d . multiload copper-T does not belong to third generation .

52 - AIIMS community medicine mcqs or social and preventive medicine mcqs ( spm or psm ) from all previous years AIIMS papers with answers - part 42

211q: chronic carrier state is seen in all except ?

a. measles
b. diphtheria
c. herpes
d. cholera

answer a . measles .

212q: 85% of lung cancer among smokers was due to their smoking . this is an example of ?

a. attributable risk
b. relative risk
c. odds ratio
d. population attributable risk

answer a . attributable risk .

213q: treatment of severe ulnar neuritis in borderline tuberculoid leprosy ?

a. MDT only
b. MDT + steroid
c. Wait and watch
d. MDT + thalidomide

answer b . MDT + steroid .

214q: BMI of obese ?

a. 20
b. 30
c. 40
d. 51

answer b . 30 .

215q: a study was conducted on the use of herbal tea in prevention of common cold . data is collected on the number of people who had cold and those who did not have it . the following data is obtained :

 

	HERBAL TEA	HERBAL TEA
	Consumed	Not consumed
Had cold	12	23
Did not have cold	34	38

 Which analytical test you use for this study ?

1. student – t
2. chi square test
3. paired – t test
4. pearson’s correlation coefficient 

answer b . chi square test .

51 - AIIMS community medicine mcqs or social and preventive medicine mcqs ( spm or psm ) from all previous years AIIMS papers with answers - part 41

206q: the experiment study for which most accurate result is obtained

a. randomized CT with double blinding
b. retrospective cohort study
c. cross sectional study
d. meta analysis

answer a . randomized CT with double blinding .

207q: any loss or abnormality of psychological , physiological or anatomical structure or function is ?

a. impairment
b. disability
c. handicap
d. disease

answer a . impairment .

208q: a data is arranged as satisfied , very satisfied , dissatisfied . this is a ?

a. nominal data
b. ordinal data
c. interval data
d. ratio

answer b . ordinal data .

209q: all can be incenirated except ?

a. cytotoxic waste
b. sharps
c. anatomical waste
d. infectious waste

answer b . sharps .

210q: herd immunity all are true except ?

a. herd structure is constant
b. it is mostly due to subclinical infection
c. can be aquired by immunization
d. spread of epidemic is influenced by it

answer a is false becoz herd structure is not constant .

50 - AIIMS community medicine mcqs or social and preventive medicine mcqs ( spm or psm ) from all previous years AIIMS papers with answers - part 40

201q: in RNTCP the method used to confirm cases is ?

a. sputum rapid culture
b. sputum microscopy
c. chest radiograph
d. PCR antibody detection

answer b . sputum microscopy .

202q: assessment of impact of iodine supplement therapy in a community is best done by ?

a. goiter in pregnant women
b. goiter in children of age 12-18
c. neonatal thyroxine levels
d. urinary iodine levels in pregnant women

answer c . neonatal thyroxine levels

203q: you have diagnosed a patient clinically as having SLE and ordered 6 tests . out of which 4 tests have come positive and 2 are negative . to determine the probability of SLE at this point , you need to know ?

a. prior probability of SLE ; sensitivity and specificity of each test
b. incidence of SLE and predictive value of each test
c. incidence and prevalence of SLE
d. relative risk of SLE in this patient

answer a . prior probability of SLE , sensitivity and specificity of each test

204q: all of the following are indicators included in the Physical Quality Of Life Index ( PQLI ) except ?

a. infant mortality rate
b. life expectancy at age one
c. literacy rate
d. per capital income

answer d . per capita income .

205q: direct standardization is used to compare the mortality rates between two countries . this is done because of the difference in ?

a. causes of death
b. numerators
c. age distributions
d. denominators

answer c . age distributions .

49 - AIIMS community medicine mcqs or social and preventive medicine mcqs ( spm or psm ) from all previous years AIIMS papers with answers - part 39

196q: chlorine demand is measured by ?

a. horrock’s apparatus
b. chlorimeter
c. double pot
d. berkfeld filter

answer a . horrock’s apparatus .

197q: in a study in UK they found an association between sale of asthmatic drugs and an increase in deaths due to asthma from 1979 to 1990 . this is an example of ?

a. ecological study
b. cohort study
c. case reference study
d. experimental study

answer a . ecological study .

198q: a newly found technique for estimating Hb found the values as 9.4, 9.0, 9.3, 12.4, 9.2, ………. 10.3 and 12.2 . by calorimetry the Hb was estimated to be 10.2 gram percent . so the new test has ?

a. low validity and high reliability
b. high validity and high reliability
c. low validity and low reliability
d. high validity and low reliability

answer c . low validity and low reliability .

199q: problem village is all except ?

a. distance of safe water is greater than 1.6 kilometer
b. depth is more than 16 metres
c. waer is polluted with inorganic substance
d. water infested with guinea worm

answer d . a problem village is defined as one where no source of safe water is available within a distance of 1.6 km or where water is available at a depth of more than 15 metres or where water source has excess salinity, iron , fluorides and other toxic elements or where water is exposed to the risk of cholera .d. water bottle heart

200q: best method used to find the difference between a newly found test and gold standard test ?

a. correlation study
b. regression study
c. bland and altman analysis
d. none

answer c . bland and altman analysis .

48 - AIIMS community medicine mcqs or social and preventive medicine mcqs ( spm or psm ) from all previous years AIIMS papers with answers - part 38

191q: SAFE in trachoma programme refers to all except ?

a. screening
b. antibiotics
c. facial cleaning
d. environmental control

answer S in SAFE stands for surgery and not screening.

192q: endemic ascites is caused by ?

a. afltotoxin B
b. ergot
c. sanguinarine
d. pyrrolizidine

answer d . pyrrolizidine .

193q: specificity of a test refers to its ability to detect ?

a. true positives
b. true negatives
c. false negatives
d. false positives

answer b . true negatives .

194q: socialization of medicine leads to all except ?

a. reduces competition among physicians for clients
b. supported by the state and provides free medical service
c. universal coverage of health services
d. ensures the complete utilization of services by all people

answer d . ensures the complete utilization of services by all people .

195q: active method to detect undiagnosed cases in apparently healthy people ?

a. screening
b. surveillance
c. case finding
d. notification

answer a . screening .

47 - AIIMS community medicine mcqs or social and preventive medicine mcqs ( spm or psm ) from all previous years AIIMS papers with answers - part 37

186q: chlorine demand is measured by ?

a. horrock’s apparatus
b. colorimeter
c. double pot
d. berkfeld filter

answer a . horrock’s apparatus .

187q: which of the following is not transmitted by lice ?

a. Q fever
b. Trench fever
c. Relapsing fever
d. Epidemic typhus

answer a . Q fever is caused by soft ticks .

188q: which of the following statements about lepromin test is false ?

a. it is negative in most children in first 6 months of life
b. it is a diagnostic test
c. it is an important aid to classify the type of leprosy
d. BCG vaccine may convert lepra reaction from negative to positive

answer b is false because it is not a diagnostic test .

189q: true about Accredited Social Health Activist ( ASHA ) is ?

a. mental health worker
b. deployed per thousand people
c. to replace anganwadi worker in ICDS programme
d. minimum need program worker

answer b . deployed per thousand people .

190q: true about point source epidemic are all except ?

a. the curve has rapid rise and slow decline
b. all cases occur in one incubation period
c. one single peak only
d. no secondary curves

answer a is false becoz the curve has rapid rise and rapid decline .

46 - AIIMS community medicine mcqs or social and preventive medicine mcqs ( spm or psm ) from all previous years AIIMS papers with answers - part 36

181q: richest source of vitamin D is ?

a. egg
b. milk
c. vegetables
d. fish

answer d. fish . HOW CAN SHARK FISHES EAT BALD MEN . halibut liver oil – cod liver oil – shark liver oil – fish fat – eggs – butter – milk . in descending order

182q: which is an example of diability limitation ?

a. resting the affected limb in neutral position
b. arranging for schooling of a child suffering from PPRP
c. reducing occurrence by polio immunization
d. providing calipers for walking

answer a. resting the affected limb in neutral position .

183q: for allocation of control and placebo groups in RCT , which of the following is least useful ?

a. odd and even registration numbers in hospital
b. computerized sequence selection
c. random table
d. drawn by lots

answer a . odd and even registration numbers in hospital.

184q: best method to find the difference between a newly found test and the gold standard test ?

a. correlation study
b. regression study
c. bland and altman analysis
d. kongarov smrinov test

answer c . bland and altman analysis .

185q: least common complication of measles is ?

a. SSPE
b. Pneumonia
c. Otitis media
d. Keratomalacia

answer a . SSPE .

45 - AIIMS community medicine mcqs or social and preventive medicine mcqs ( spm or psm ) from all previous years AIIMS papers with answers - part 35

176q: 100 women with a mean Hb of 10 gms % . SD is 1 . what is the standard error?

answer use the formula SE = SD / square root of n . that is 1 / 10 = 0.1 . so 0.1 is the answer

177q: atkins diet is severe restriction of ?

a. carbohydrate
b. protein
c. fat
d. vitamin

answer a . carbohydrate .

178q: LJ chart is used for ?

a. accuracy
b. precision
c. sensitivity
d. specificity

answer a . accuracy .

179q: which of the following dietary interventions reduces the further risk in MI patients ?

a. n3 PUFA
b. high fiber diet
c. sterol ester
d. potassium supplement

answer a. n3 PUFA .

180q: group of diabetic patients , insulin was administered and long term monitoring of HBA1C level and blood glucose adjusted for age and sex was done . this test is best explained by ?

a. logistic regression
b. linear regression
c. pearson correlation coefficient
d. student T test

answer a. logistic regression .

44 - AIIMS community medicine mcqs or social and preventive medicine mcqs ( spm or psm ) from all previous years AIIMS papers with answers - part 34

171q: which of the following characteristics is not of much significance in a screening test ?

a. high sensitivity
b. high specificity
c. low cost
d. high safety margin

answer b . high specificity .

172q: ASHA – which of the following is wrong ?

a. a female health worker
b. one for thousand rural population
c. mobilization for antenatal care
d. skilled birth attendant

answer d. skilled birth attendant .

173q: when the confidence level of a test increases which of the following will happen ?

a. no change in significance
b. previously significant value becomes insignificant
c. previoiusly insignificant value becomes significant
d. no change in significance results

answer c. previously insignificant values become significant

174q: in which of the following diseases , screening for the disease has greatly reduced the incidence ?

a. carcinoma lung
b. carcinoma colon
c. carcinoma larynx
d. CML

answer b. carcinoma colon .

175q: what is standard error ?

a. SD X n
b. SD / n
c. SD / square root of n
d. SD X SD

answer c . SD / square root of n .

43 - AIIMS community medicine mcqs or social and preventive medicine mcqs ( spm or psm ) from all previous years AIIMS papers with answers - part 33

166q: target of couple protection rate in WHO goal of HEALTH FOR ALL by 2000 AD is ?

a. 60
b. 40
c. 80
d. 100

answer : a. 60

167q: magnitude and trend of tuberculosis in a community is assessed by ?

a. fatality rate
b. incidence rate
c. prevalence rate
d. tuberculin conversion index

answer d . tuberculin conversion index .

168q: vector for KFD ?

answer tick

169q: best indicator of malarial prevalence in community is ?

a. adult parsite rate
b. spleen rate
c. infant parasite rate
d. new cases in community

answer b . spleen rate .

170q: which intervention is associated with increased birth weight in pregnancy ?

a. bed rest
b. calcium and magnesium supplement
c. cessation of smoking
d. aspirin

answer c . cessation of smoking .

42 - AIIMS community medicine mcqs or social and preventive medicine mcqs ( spm or psm ) from all previous years AIIMS papers with answers - part 32

161q: which one is the best indicator for hepatitis B infection in a community ?

a. hepatitis B surface antigen
b. hepatitis B surface antibody
c. core antibody
d. core antigen

answer c . core antibody .

162q: true regarding dengue fever is all except ?

a. hemorrhagic tendency
b. spontaneous remission
c. transmitted by anopheles mosquito
d. fever is saddle back type

answer c. it is transmitted by aedes aegypti .

163q: specificity increases with ?

a. increase in false positive
b. increase in false negative
c. increase in true positive
d. increase in true negative

answer d. increase in true negative .

164q: sensitivity is ?

answer true positives

165q: the ratio between incidence of disease among exposed and non-exposed is called as ?

a. relative risk
b. odds ratio
c. attributable risk
d. none of the above

answer a. relative risk . in the same question if there is minus instead of ratio then it is attributable risk .

41 - AIIMS community medicine mcqs or social and preventive medicine mcqs ( spm or psm ) from all previous years AIIMS papers with answers - part 31

156q: true about cross sectional study are all except ?

a. less expensive
b. less time required
c. many outcomes are possible
d. relationship between cause and effect possible

answer d. relationship between cause and effect possible

157q: chandler’s index is meant for ?

a. filariasis
b. ankylostoma
c. guinea worm
d. round worm

answer b. ankylostoma .

158q: extra calories required during lactation ?

answer 550 kcal .

159q: all are true regarding case fatality rate except ?

a. killing power of disease
b. more useful in chronic diseases
c. value changes with different epidemic
d. time interval is not considered

answer b . it is rarely useful in chronic diseases .

160q: time interval between primary and secondary case is ?

a. serial interval
b. extrinsic incubation period
c. period of communicability
d. intrinsic incubation period

answer a. serial interval

40 - AIIMS community medicine mcqs or social and preventive medicine mcqs ( spm or psm ) from all previous years AIIMS papers with answers - part 30

151q: mosquitoes act as intermediate vector for ?

a. cholera
b. typhoid
c. filarial
d. all the above

answer c . filariasis only .

152q: which is true about typhoid carrier ?

a. sputum or milk may be the source
b. excreted more in feces than in urine
c. occurs more commonly in female
d. bacilli are excreted for 4-6 months only

answer b . excreted more in feces than in urine .

153q: in case fatality rate , true is ?

a. numerator is always constant
b. denominator is always constant
c. numerator and denominator are proportion of each other
d. numerator and denominator are two separate entities

answer d. numerator and denominator are two separate entities

154q: for studying relationship of hypertension as etiological agent of CVS diseases , study used is

a. longitudinal study
b. cohort study
c. random sampling
d. cross sectional study

answer a . longitudinal study .

155q: when frequency is given as mild , moderate and severe , method used is ?

a. ratio
b. nominal
c. variance
d. interval

answer b. nominal .

39 - AIIMS community medicine mcqs or social and preventive medicine mcqs ( spm or psm ) from all previous years AIIMS papers with answers - part 29

146q: drug which is given for prophylaxis of meningococcal contacts ?

a. erythromycin
b. tetracycline
c. rifampicin
d. pencillin

answer c . rifampicin .

147q: all are measures of primordial prevention of hypertension except ?

a. dietary changes
b. restrain smoking
c. identification of hypertensive
d. regular physical exercise

answer c. identification of hypertensive

148q: disease to be eradicated by the year 2000 AD is ?

a. typhoid
b. tetanus neonatorum
c. filaria
d. malaria

answer b. tetanus neonatorum

149q: in calculating the incidence of AIDS , denominator is ?

a. population at risk
b. total population
c. mid year population
d. observed population

answer a . population at risk .

150q: one family is choosed at random . then every fifth family is chosen . the method used is ?

a. cohort study
b. systematic sampling
c. stratified sampling
d. random sampling

answer b . systematic sampling .

38 - AIIMS community medicine mcqs or social and preventive medicine mcqs ( spm or psm ) from all previous years AIIMS papers with answers - part 28

141q: variables are arranged in ascending and descending order to calculate ?

a. mean
b. median
c. mode
d. standard deviation

answer b . median .

142q: which of the following diseases is not liable for extended sickness benefit for 309 days ?

a. leprosy
b. aplastic anemia
c. immature cataract with vision 6/60 or less
d. mental disease

answer none .

143q: when variables are not measurable , which of the following is used to represent

a. variation
b. ordinal
c. nominal
d. ratio

answer c . nominal

144q: which of the following is the principal problem in cohort studies ?

a. selection bias
b. lack of follow up
c. very expensive
d. time consuming

answer b . lack of follow up .

145q: in normal distribution with mean 55 and standard deviation 10 , the area to right of 55 is

a. 0.6
b. 0.8
c. 0.9
d. 0.75

answer b. 0.8

37 - AIIMS community medicine mcqs or social and preventive medicine mcqs ( spm or psm ) from all previous years AIIMS papers with answers - part 27

136q: regarding vector transmitted diseases , what is true ?

a. phlebotomus is a vector for oriental fever
b. loa loa is transmitted by Cyclops
c. myiasis is caused by dipterian larva
d. tse tse fly is a vector for chaga’s disease

answer a and c are correct . myiasis is caused by larva of flies . the flies belong to order diptera and phylum arthropoda . phlebotomus is one of the genuses of sandfly

1. phlebotomus argentiples transmits KALA AZAR
2. phlebotomus papatasii transmits SANDFLY FEVER ORIENTAL SORE
3. phlebotomus sergenti transmits ORIENTAL SORE
4. S-punjabensis is another type of housefly which transmits sandfly fever
5. disease transmitted by tse-tse fly – sleeping sickness
6. disease transmitted by black fly – onchoceriasis
7. disease transmitted by reduviid bug is chagas disease
8. disease transmitted by Cyclops is guinea worm disease and fish tape worm.

137q: which of the following indicator regarding maternal health takes mortality in consideration ?

a. GRR
b. NRR
c. Total fertility rate
d. General fertility rate

answer b . NRR .

138q: which of the following is the best indicator of health status in a community ?

a. infant mortality rate
b. birth rate
c. still birth rate
d. crude death rate

answer a. infant mortality rate .

139q: which of the following statement is not true regarding the carriers of diphtheria ?

a. immunization prevents carrier state
b. nasal carriers are the most dangerous
c. treatment of contact is indicated
d. they are responsible for most of the cases

answer a. immunization prevents carrier state .

140q: all of the following are included in “ five cleans “ of CSSM programme except

a. clean cord
b. clean tie
c. clean perineum
d. clean room

answer clean perineum .

36 - AIIMS community medicine mcqs or social and preventive medicine mcqs ( spm or psm ) from all previous years AIIMS papers with answers - part 26

131q: which of the following is not a component of primary health care ?

a. adequate nutrition
b. adequate housing
c. safe water supply
d. provision of essential drugs

answer b . adequate housing .

132q: what percentage of abate is used in guineaworm eradication programme ?

a. 1 %
b. 4 %
c. 2 %
d. 6 %

answer a . 1 % .

133q: which gas is not responsible for green house effect ?

a. carbon monoxide
b. ozone
c. nitrous oxide
d. nitrogen

answer c . nitrous oxide . natural gases responsible for green house effect are carbondioxide, nitrogen, ozone, water vapour and methane

134q: most common cancer reported in India is ?

a. cancer cervix
b. cancer breast
c. cancer oral cavity
d. cancer lung

answer c .cancer oral cavity .

135q: not a feature of rheumatic heart disease in India is ?

a. CHF and cardiomegaly in most of the cases
b. Affects younger age group
c. Aortic valve is most commonly affected
d. School going population is most affected

answer c . mitral valve is involved in most of the cases