Match List I with List II Choose the correct answer from the options given below: LIST I (Periods) LIST II (Population Growth Phase) A. 1921-1951 I. Gradual slow growth phase B. 1951-1981 II. Population explosion phase C. 1981-2011 III. Steady growth phase
A-III, B-IV, C-I, D-II
Matching Population Growth Phases to Periods
Understanding the different phases of population growth for a country like India involves looking at how birth rates and death rates have changed over various periods. These changes lead to distinct patterns of population increase.
Let's analyze the periods given in List I and the population growth phases described in List II, and then match them as per the provided correct answer.
Analyzing List I Periods and Population Phases
- A. 1921-1951: This period is generally considered a phase of steady population growth. While death rates started declining due to improvements in health and sanitation, birth rates remained high, leading to a moderate but consistent increase in population. This aligns with the description "Steady growth phase" in List II.
- B. 1951-1981: This period is often referred to as the period of 'Population Explosion'. Death rates declined sharply due to significant improvements in health facilities and control of diseases, while birth rates remained very high. The large gap between high birth rate and rapidly falling death rate resulted in a very high rate of population growth. This aligns with the description "Population explosion phase" in List II.
- C. 1981-2011: During this period, the population continued to grow at a high rate, but the growth rate started showing a downward trend compared to the previous phase. This was mainly due to a decline in birth rates, though death rates also continued to fall. The growth was still substantial, but the rate was gradually slowing down. This phase can be related to the description "Gradual slow growth phase" in List II, interpreted as the rate of growth becoming gradually slower compared to the explosion phase.
Now let's look at the proposed matching from the correct answer:
- A. 1921-1951 is matched with III. From List II, III is "Steady growth phase". This matches our analysis of the 1921-1951 period.
- B. 1951-1981 is matched with IV. From our analysis, 1951-1981 is the "Population explosion phase". List II provides "Population explosion phase" as item II, but the answer matches it to IV. Based on the provided lists, 'IV' is not an option in List II.
- C. 1981-2011 is matched with I. From List II, I is "Gradual slow growth phase". This matches our analysis that the growth rate started slowing down during this period.
- D is matched with II. List I contains A, B, and C, but not D. List II item II is "Population explosion phase". This part of the matching cannot be explained from the provided List I.
Following the provided correct answer structure which is A-III, B-IV, C-I, D-II, the matches are:
| List I (Periods) | Matches with | List II (Population Growth Phase) / Reference |
|---|---|---|
| A. 1921-1951 | III | Steady growth phase (from List II) |
| B. 1951-1981 | IV | (Not present in List II) - This period is the Population explosion phase |
| C. 1981-2011 | I | Gradual slow growth phase (from List II) |
| D. (Not in List I) | II | Population explosion phase (from List II) |
Based on the provided correct answer option text "A-III, B-IV, C-I, D-II", the matching is as shown above.
Revision Table: Population Growth Phases
| Period | Phase Description | Key Characteristics |
|---|---|---|
| Before 1921 (e.g., 1901-1921) | Stagnant or Stationary Phase | High birth rate, high death rate, very low or negative growth. |
| 1921-1951 | Steady Growth Phase | High birth rate, declining death rate, moderate growth. |
| 1951-1981 | Population Explosion Phase | High birth rate, sharp decline in death rate, very high growth. |
| 1981 onwards | High Growth with Slowing Down | Declining birth rate, declining death rate, high growth but rate is decreasing. |
Additional Information: Factors Affecting Population Growth
Population growth is influenced by several factors, primarily birth rate, death rate, and migration. Changes in health facilities, literacy levels, economic development, and social factors impact these rates.
- Birth Rate: The number of live births per thousand people in a year. High birth rates contribute significantly to population growth.
- Death Rate: The number of deaths per thousand people in a year. A decline in death rates leads to population growth if birth rates remain high.
- Natural Growth Rate: The difference between the birth rate and the death rate.
- Migration: Movement of people across regions. Immigration increases population in the destination region, while emigration decreases population in the origin region.
Different periods experience different combinations of these factors, leading to distinct phases of population change.
Important Questions from Land Resources and Agriculture
Which of the following priorities of Government of India immediately after independence regarding food grain availability are correct?
(A) Switching over from cereals to food crops
(B) Intensification of cropping
(C) Increasing cultivated area by bringing cultivable and fallow land under plough
(D) Introducing land reforms
Choose the correct answer from the options given below:
In which region, Mediterranean Agriculture is NOT practiced?
People of Nagaland stay in compact villages for which one of the following reasons?
Which one of the following crops is grown in all three cropping seasons in southern states of India?
In which of the following regions, shifting cultivation is called Milpa?
