DPHICON25 UG Prelims

Who is regarded as the "Father of Demography"?

• John Graunt

• Thomas Robert Malthus

• John Snow

• William Farr

Population pyramid of India (2021 Census projections) resembles

• True triangle

• Bell shape

• Barrel shape

• Inverted pyramid

The “Malthusian theory” of population emphasizes:

• Population grows faster than food supply

• Mortality always decreases

• Migration balances population growth

• Positive checks such as famine and disease control population growth

Which fertility indicator considers only female births?

• Total Fertility Rate (TFR)

• Gross Reproduction Rate (GRR)

• Net Reproduction Rate (NRR)

• Both GRR and NRR

Demographic data from NFHS (National Family Health Survey) mainly provide:

• Mortality and fertility rates

• Migration data

• Nutrition and health service indicators

• Only Census data

Which is considered the most sensitive indicator of population health?

• Maternal Mortality

• Infant Mortality

• Neonatal Mortality

• Life expectancy at Birth

The presence of nitrates in water indicates:

• Temporary hardness of water

• Permanent hardness of water

• Fresh faecal pollution

• Past faecal pollution

Which one of the following is correct regarding daily upper limit of noise without substantial damage to hearing?

• 75db

• 80db

• 85db

• 90db

What is the amount of bleaching powder required to disinfect 455 litres of water if the 4th,5th and 6th cups of a Horrock’s apparatus show distinct blue colour?

• 2 grams

• 4 grams

• 8 grams

• 6 grams

What was the 10 days rule in radiation related to?

• Occupational Health

• Pregnancy

• Industrial radiation

• Radiotherapy