MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Two opposite forces operate in the growth and development of every population. One of them related to the ability to reproduce at a given rate. The force opposite to it is called [CBSE PMT 1998, 2003] |
| A. | Biotic control |
| B. | Mortality |
| C. | Fecundity |
| D. | Environmental resistances |
| Answer» E. | |
| 2. |
In India, the population growth [CBSE PMT 1996] |
| A. | Like some animal species, human population is likely to reach zero population growth level |
| B. | Can be reduced by natural calamities and birth control methods |
| C. | Like many animal species, it is also going to take sigmoid curve |
| D. | Can be controlled by adopting national family welfare programmes |
| Answer» E. | |
| 3. |
The concept that 'Population tends to increase geometrically while food supply increases arithmetically'' was put forward by [CBSE PMT 1995; BHU 2000] |
| A. | Thomas Malthus |
| B. | Adam Smith |
| C. | Stuart Mill |
| D. | Charles Darwin |
| Answer» B. Adam Smith | |
| 4. |
In India, if the marriage age is changed to 21 years then |
| A. | Population growth rate will be unaffected |
| B. | Population growth rate will decrease |
| C. | Population growth rate will increase |
| D. | None of the above |
| Answer» C. Population growth rate will increase | |
| 5. |
Exponential phase of human growth started about |
| A. | 1 A.D. |
| B. | 1600 A.D. |
| C. | 1750 A.D. |
| D. | 1975 A.D. |
| Answer» D. 1975 A.D. | |
| 6. |
The environmental resistance means |
| A. | The environmental factors which tend to maintain homoeostasis by regulating emigration |
| B. | Factors imposing check on population size |
| C. | Resistance of a species to the environmental factors which impose a check on population size |
| D. | Physiological capacity of a species to resist changes in the environment |
| Answer» C. Resistance of a species to the environmental factors which impose a check on population size | |
| 7. |
Environmental resistance includes factor |
| A. | Shortage of food |
| B. | Diseases and predation |
| C. | Limited space |
| D. | All the above |
| Answer» E. | |
| 8. |
Which of the following factors regulate human life with reference to population density [AMU 1989; MP PMT 1994] |
| A. | Availability of blood, housing and health facilities |
| B. | Urbanisation |
| C. | Climatic conditions |
| D. | All the above |
| Answer» E. | |
| 9. |
Information on birth-rate, death-rate, sex-ratio, age distribution of a population can be got from [MP PMT 1994] |
| A. | Natality table |
| B. | Mortality table |
| C. | Age distribution table |
| D. | Life table |
| Answer» E. | |
| 10. |
In a population where competition between individuals is severe, then the distribution is said to be [MP PMT 1994] |
| A. | Random |
| B. | Uniform |
| C. | Irregular |
| D. | Non-random |
| Answer» C. Irregular | |
| 11. |
Which of the following is not a controlling factor of population density [MP PMT 1989] |
| A. | Psychological factor |
| B. | Geographical factor |
| C. | Socioeconomic factor |
| D. | Demographic factor |
| Answer» B. Geographical factor | |
| 12. |
In the population having high growth rate, the age pyramid is shown by |
| A. | Straight pyramid shaped |
| B. | Bell shaped |
| C. | Parabola shaped |
| D. | None |
| Answer» B. Bell shaped | |
| 13. |
Density of human population is determined predominatly by [MP PMT 1989] |
| A. | Socio-cultural factors |
| B. | Cold temperature of the environment |
| C. | Availability of plenty of water |
| D. | Availability of good food |
| Answer» E. | |
| 14. |
The natural growth rate of population is checked by certain factors. These are known as |
| A. | Population growth control |
| B. | Environmental resistance |
| C. | Natural resistance of healthy population |
| D. | None of the above |
| Answer» C. Natural resistance of healthy population | |
| 15. |
A force which acts against the achievement of highest possible level to population growth is known as [AMU 1989] |
| A. | Population pressure |
| B. | Saturation level |
| C. | Carrying capacity |
| D. | Environmental resistance |
| Answer» E. | |
| 16. |
According to which theory will be the human population out-run food supply [MP PMT 1992] |
| A. | Altrusian theory |
| B. | Malthusian theory |
| C. | Eltons theory |
| D. | Kalthusian theory |
| Answer» C. Eltons theory | |
| 17. |
During the lag phase of population growth curve there was very less growth due to |
| A. | High birth and death rate |
| B. | Low birth and death rate |
| C. | High birth and low death rate |
| D. | Low birth and high death rate |
| Answer» B. Low birth and death rate | |
| 18. |
Hereditary diseases constitute an important factor in checking the growth of population of a small community if |
| A. | They marry only within the community |
| B. | They encourage marriage outside the community |
| C. | They adopt birth control measures |
| D. | They do not adopt birth control measures |
| Answer» B. They encourage marriage outside the community | |
| 19. |
Which of the following does not help in the control of population growth |
| A. | Decreased birth rate |
| B. | Increased contraceptive use |
| C. | Decreased death rate |
| D. | Increased literacy |
| Answer» D. Increased literacy | |
| 20. |
Rate of human population growth is [MP PMT 1991] |
| A. | Directly proportional to good weather |
| B. | Directly proportional to industrial development |
| C. | Inversely proportional to education |
| D. | Directly proportional to the use of drugs |
| Answer» D. Directly proportional to the use of drugs | |
| 21. |
The impact of human population is directly related to [MP PMT 1993] |
| A. | Standard of living |
| B. | Food supply and housing |
| C. | Health and medical care |
| D. | All of the above |
| Answer» E. | |
| 22. |
When there is an exponential growth in a population, then it will be called as |
| A. | Carrying capacity |
| B. | Log stage |
| C. | Negative acceleration phase |
| D. | Positive acceleration phase |
| Answer» C. Negative acceleration phase | |
| 23. |
Human population after 17th century A.D. is thought to be in [MP PMT 1993] |
| A. | Lag phase |
| B. | Exponential phase |
| C. | Stationary phase |
| D. | None of these |
| Answer» C. Stationary phase | |
| 24. |
The process by which individuals are included into a population is known as |
| A. | Immigration |
| B. | Emigration |
| C. | Migration |
| D. | a and b both |
| Answer» B. Emigration | |
| 25. |
If the age pyramid of a population is bell shaped, it will show |
| A. | Low percentage of children |
| B. | High percentage of children |
| C. | High percentage of olds |
| D. | None of these |
| Answer» B. High percentage of children | |
| 26. |
Capacity of the environment in which a species can get maximum nutrition is called |
| A. | Carrying capacity |
| B. | Growth capacity |
| C. | Population density |
| D. | Death rate |
| Answer» B. Growth capacity | |
| 27. |
Carrying capacity of earth is |
| A. | 5000 millions |
| B. | 50,000 millions |
| C. | 5,00,000 millions |
| D. | 50,00,000 millions |
| Answer» C. 5,00,000 millions | |
| 28. |
Population density means |
| A. | The number of human per unit area |
| B. | The number of human in a unit area at a specific time |
| C. | The concentration of human population at a place |
| D. | None of above |
| Answer» C. The concentration of human population at a place | |
| 29. |
The bio-index number means |
| A. | Natality - Mortality |
| B. | Natality × Mortality |
| C. | Mortality - Natality |
| D. | Natality/Mortality |
| Answer» E. | |
| 30. |
Cause of decline of population in 1927 was |
| A. | First world war |
| B. | Flood |
| C. | Lack of food |
| D. | Second world war |
| Answer» D. Second world war | |
| 31. |
The different age group in a population is classified by |
| A. | Reproduction rate |
| B. | Death rate |
| C. | Age of marriage |
| D. | Sex ratio |
| Answer» B. Death rate | |
| 32. |
The declining phase of a population occurs when |
| A. | Mortality > Natality |
| B. | Natality > Mortality |
| C. | Mortality = Natality |
| D. | Natality = Mortality = 0 |
| Answer» B. Natality > Mortality | |
| 33. |
Which type of curve will be for the coming century |
| A. | Circular |
| B. | Parabolic |
| C. | Triangular |
| D. | Trapezium |
| Answer» C. Triangular | |
| 34. |
The stationary phase of a population occurs when |
| A. | Natality > Mortality |
| B. | Natality = Mortality |
| C. | Mortality > Natality |
| D. | Natality = 0 |
| Answer» C. Mortality > Natality | |
| 35. |
"In the absence of environmental resistance the population grows in geometrical ratio when the food is given in arithmetical ratio''. This is |
| A. | Kenze theory of population |
| B. | Malthus theory of human population |
| C. | Kenze theory modified by malthus |
| D. | None of the above |
| Answer» C. Kenze theory modified by malthus | |
| 36. |
Exponential growth in human population was done in |
| A. | Lag phase |
| B. | Log phase |
| C. | Plateau stage |
| D. | First stage |
| Answer» C. Plateau stage | |
| 37. |
High growth at the time of exponential phase of human population growth curve is due to |
| A. | High birth and death rates |
| B. | High birth and low death rate |
| C. | Low birth and high death rate |
| D. | Low birth and death rates |
| Answer» C. Low birth and high death rate | |
| 38. |
Human population growth curve of today is |
| A. | Of 'J' shape |
| B. | Of 'S' shape changed from `J' shape |
| C. | Of 'S' shape |
| D. | Of parabolic shape |
| Answer» D. Of parabolic shape | |
| 39. |
Happiness, health and prosperity of the population of a place depends upon |
| A. | Environment |
| B. | High birth rate |
| C. | Social status |
| D. | Availability of work |
| Answer» B. High birth rate | |
| 40. |
There is a continuous increase in the growth rate (population) of the world. It is due to [MP PMT 1988] |
| A. | Increase in the fertility |
| B. | Supply of more food |
| C. | Industrialization |
| D. | Decrease in the death of children |
| Answer» E. | |
| 41. |
Main cause of population explosion in the world is [MP PMT 1990] |
| A. | Excellent job facilities |
| B. | Increase in agricultural production |
| C. | Excellent health care |
| D. | Fewer battles and wars |
| Answer» D. Fewer battles and wars | |
| 42. |
In the population curve of India, nowadays the number of |
| A. | N = M |
| B. | M > N |
| C. | M < N |
| D. | Deaths and births both are more |
| Answer» C. M < N | |
| 43. |
The primary cause behind rapidly growing population of the world in recent times is [MP PMT 1989] |
| A. | Improvement in the standard of living |
| B. | Decrease in death rate |
| C. | Increase in birth rate |
| D. | Heating of earth |
| Answer» C. Increase in birth rate | |
| 44. |
Housing problems, health problems, pollution problems etc. are created by the |
| A. | Low working capabilities of persons |
| B. | Non-availability of national resources |
| C. | Higher population growth rate |
| D. | a and b both |
| Answer» C. Higher population growth rate | |
| 45. |
The growth of population is determined by |
| A. | Biotic potential only |
| B. | Environmental resistance only |
| C. | Emigration only |
| D. | a and b both |
| Answer» E. | |
| 46. |
Population growth is reduced by the environmental resistance. This phase is |
| A. | Steady phase |
| B. | Exponential phase |
| C. | Lag phase |
| D. | All of the above |
| Answer» C. Lag phase | |
| 47. |
The apex of age pyramid of a stationary population is |
| A. | Very narrow |
| B. | Broad |
| C. | Not much difference |
| D. | Equal to base |
| Answer» E. | |
| 48. |
Accumulation of national resources and saving is known as |
| A. | Society betterment |
| B. | National saving |
| C. | National production |
| D. | a and c both |
| Answer» C. National production | |
| 49. |
How many persons are added to the Indian population per year |
| A. | 13.6 million |
| B. | 36 million |
| C. | 80 million |
| D. | 137 million |
| Answer» B. 36 million | |
| 50. |
Appropriate and better investment is essential for the direct |
| A. | Solution of problems of the world |
| B. | Solution of the personnel problems |
| C. | Development of the country |
| D. | All of the above |
| Answer» D. All of the above | |