Tag: man and environment

Questions Related to man and environment

A mechanical means of treating industrial effluents is called _______.

waste management - need for management of waste sanitation and solid waste management pollution, sources, effects and preventive measures man and environment geography treatment and disposal of waste waste generation and management - methods of safe disposal of waste

  1. Sedimentation

  2. Rainwater harvesting

  3. Recycling of waste water

  4. None of these

Show answer
Correct Option: A
Explanation:

Treatment of industrial effluents can be done in three phases.

  • (a) Primary treatment by mechanical means. This involves screening, grinding, flocculation, and sedimentation. 
  • (b) Secondary treatment by biological process. 
  • (c) Tertiary treatment by biological, chemical and physical processes. This involves recycling of wastewater.

Thuthukudi district of Tamil Nadu has the ______ sex ratio.

geography man and environment population density and distribution population and migration population : size, density, growth and structure

  1. Lowest

  2. Medium

  3. Highest

  4. None of these

Show answer
Correct Option: C
Explanation:

As per 2011 census, the Thuthukudi district of Tamil Nadu had a population of 1,750,176. Sex Ratio in district is 1023 females for every 1000 males. This district has the highest sex ratio. This ratio is more than average national sex ratio. The average national sex ratio in India is 940 as per latest reports of Census 2011 Directorate.

The study of population is known as _____ .

geography man and environment population density and distribution population and migration population : size, density, growth and structure

  1. Cinematography

  2. Census

  3. Demography

  4. Explosion

Show answer
Correct Option: C
Explanation:

The study of population is known as demography.

Which city in Tamil Nadu has the least share in state's population?

geography man and environment population density and distribution population and migration population : size, density, growth and structure

  1. Madurai

  2. Vellore

  3. Perambalur

  4. Salem

Show answer
Correct Option: C
Explanation:

Chennai possesses the largest share of 6.4% of the total population of Tamil Nadu. This is followed by Coimbatore, Vellore and Salem districts. Perambur has the least population of 0.078%.

Which city in Tamil Nadu possesses the largest share in population?

geography man and environment population density and distribution population and migration population : size, density, growth and structure

  1. Coimbatore

  2. Madurai

  3. Chennai

  4. Thuthukudi

Show answer
Correct Option: C
Explanation:

Chennai possesses the largest share of 6.4% of the total population of Tamil Nadu. This is followed by Coimbatore, Vellore and Salem districts. Perambur has the least population of 0.078%.

The movement of the earth's plates can cause:

geography man and environment land degradation wildlife resources human activities and environmental degradation

  1. tsunami

  2. cyclones

  3. earthquakes

  4. thunderstorms

Show answer
Correct Option: C