Top 150+ Solved Environmental Science MCQ Questions Answer

From 151 to 165 of 168

Q. The concept that “population increases geometrically while food supply increases arithmetically” wasgiven by

a. Stuart Mill

b. Charles Darwin

c. Adam Smith

d. Thomas Malthus

  • d. Thomas Malthus

Q. Population pyramids are useful to

a. Express the population growth rates

b. Indicate the birth rates

c. Indicate the death rates

d. Express age – sex distribution of a population

  • d. Express age – sex distribution of a population

Q. The carrying capacity of a population is determined by

a. Population growth rate

b. Natality

c. Mortality

d. Limiting resources

  • d. Limiting resources

Q. HIV is not likely to be transmitted by

a. Sharing needles of injections

b. Mosquito bites

c. Blood transfusion

d. Breast feeding

  • d. Breast feeding

Q. Today, the world’s number one problem is:

a. Pollution

b. Population explosion

c. Nuclear proliferation

d. Natural calamities

  • b. Population explosion

Q. Population explosion has occurred in the last

a. 500 years

b. 300 years

c. 400 years

d. 150 years

  • d. 150 years

Q. Study of trends in human population growth and prediction of future growth is called

a. Demography

b. Psychology

c. Biography

d. Kalography

  • a. Demography

Q. One of the critical mechanism by which the environment controls population of species is

a. Spread of disease

b. Removal of excreta

c. Supply of food

d. Control on death rate

  • d. Control on death rate

Q. If the rate of addition of new member’s increases with respect to the individual lost of the same population, then the graph obtained has

a. Decline growth

b. Zero growth

c. Exponential growth

d. None of these

  • c. Exponential growth

Q. The number of babies produced per thousand individuals is called

a. Natality

b. Mortality

c. Immigration

d. Emigration

  • a. Natality

Q. The zero population growth due to equal birth and death rates is called

a. Fertility rate

b. Replacement level

c. Natural increase

d. Demographic transition

  • d. Demographic transition

Q. Demographic features of developing countries are

a. High infant mortality, low fertility, young age distribution and uneven population growth

b. High fertility, high density, high mortality rate and young age distribution

c. High fertility, falling mortality rate, rapid population growth and young age distribution

d. High density, high mortality, uneven population growth and very old age distribution

  • c. High fertility, falling mortality rate, rapid population growth and young age distribution

Q. Density of a population (D) is

a. D = S(size) / W(weight)

b. D = S(space) / N(number)

c. D = N(number) / S(space)

d. None of the above

  • c. D = N(number) / S(space)

Q. Each environment supports a limited population depending upon its

a. Biotic potential

b. Carrying capacity

c. Natality

d. Reproductive potential

  • b. Carrying capacity

Q. Group of interbreeding organisms found in a particular area is

a. Population

b. Community

c. Tribe

d. Density

  • a. Population
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