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## Which Union Territory in India has four districts but none of its districts has a common boundary with its other districts?

(a) Puducherry

(b) Dadra and Nagar Haveli

(c) Andaman and Nicobar Islands

(d) Chandigarh

Solution: (a)
The union territory of Puducherry consists of four small unconnected districts: Pondicherry, Karaikal and Yanam on the Bay of Bengal and Mahe on the Arabian Sea. Pondicherry and Karaikal are enclaves of Tamil Nadu. Yanam and Mahe are enclaves of Andhra Pradesh and Kerala respectively.

## The highly populated city in India is:

(a) Chennai

(b) Delhi

(c) Mumbai

(d) Kolkata

Solution: (c)
As per the 2011 Census, the population of Mumbai was 12,478,447; Delhi: 11,007,835; Chennai: 4,681,087; and Kolkata: 4,486,679. So, Mumbai is the most populated metropolitan city of India.

## The growth rate of the population means

(a) The difference in growth between males and females.

(b) The difference in population between urban and rural areas.

(c) The number of births per thousand people.

(d) The difference between birth and death rates.

Solution: (d)
In demographics and ecology, the “population growth rate” is the rate at which the number of individuals in a population increases in a given time period as a fraction of the initial population. Since Births and deaths are natural causes of population change, the difference between the birth and death rates is the population growth rate. So Population Growth Rate = Crude Birth Rate – Crude Death Rate.

## Sex-ratio is calculated as:

(a) No. of children per 1,000 people in a Country.

(b) No. of males per 1,000 females in a Country.

(c) No. of females per 1,000 males in a Country.

(d) No. of people per 1,000 children in a Country.

Solution: (c)
Sex ratio is used to describe the number of females per 1000 of males in a region or country. Like most sexual species, the sex ratio in humans is approximately 1:1. As per the 2011 Census, Sex Ratio in India currently stands at 943 females available for every 1000 males.

## As per the Census of India, an Urban area with a population from 50,000 to 99,999 is named as

(a) Class II town

(b) Class III town

(c) Class IV town

(d) Class I town

Solution: (a)
The Census of India groups all towns and urban agglomerations into the following six classes according to population size:
Class I: population of 100,000 and above
Class II: population of 50,000 to 99,999
Class III: population of 20,000 to 49,999
Class IV: population of 10,000 to 19,999
Class V: population of 5,000 to 9,999
Class VI: population less than 5,000