Fundamentals Of Human Geography(Exams > NCERT > Geography ) Questions and Answers
Explanation:-
Answer: Option B. -> A stable population with high mortality and fertility to a stable population with low mortality and low fertility.:
B
Explanation: Demographic transition theory can be used to describe and predict the future population of any area. The theory tells us that the population of any region changes from high births and high deaths to low births and low deaths to achieve a stable population as society progresses from rural agrarian and illiterate to urban industrial and literate society. The population becomes urbanised, literate and has high technical knowhow and deliberately controls the family size thus achieving a stable population. These changes occur in stages which are collectively known as the demographic cycle.
Question 2. Q. The shape of the population pyramids represents the different dynamics of the population. In this context which of the following statements is/are correct.
Select the correct answer using the code given below :
- A bell shaped pyramid represents a constant population.
- A triangular pyramid best represents developed countries.
- A pyramid of narrow base and tapered top represents expanding the population.
Select the correct answer using the code given below :
Explanation:-
Answer: Option A. -> 1 only:
A
Explanation
Statement 1 is correct: A bell shaped pyramid represents constant population and is also called stationary or near stationary population pyramids. It displays somewhat equal numbers or percentages for almost age groups.
Statement 2 is incorrect: The Triangular Pyramid explains expanding population and usually a feature of developing countries like India.
Statement 3 is incorrect: A pyramid of narrow base and tapered top explains declining population like that of Japan. The Japan pyramid has a narrow base and a tapered top showing low birth and death rates.
Explanation:-
Answer: Option B. -> 2 only:
B
Explanation
Statement 1 is correct. Panama Canal connects the Atlantic Ocean in the east to the Pacific Ocean in the west. It has been constructed across the Panama Isthmus between Panama City and Colon by the U.S. government which purchased 8 km of area on either side and named it the Canal Zone.
Statement 2 is incorrect. The Suez Canal is an artificial sea-level waterway in Egypt, connecting the Mediterranean Sea to the Red Sea through the Isthmus of Suez. It is often considered to define the border between Africa and Asia. It gives Europe a new gateway to the Indian Ocean and reduces direct sea-route distance between Liverpool and Colombo compared to the Cape of Good Hope route.