IB geography sl (IB exam questions for chapter 1-2) Questions With Complete Solutions Define life expectancy at birth - Correct Answers ✅(LEB) the average number of years that a person can be expected to live in a given country.Describe what is meant by old-age dependency ratio - Correct Answers ✅(ODR) It's the number of people aged 65 and over for every 100 people aged 20 to 64 Define crude birth rate - Correct Answers ✅(CBR) the number of births per 1000 people in a specific population Define natural increase - Correct Answers ✅the difference between CBR and CDR, can be + or - Explain the meaning of the term population projection - Correct Answers ✅predictions about future population growth based on trends in Fertility, mortality, and migration Describe how a population pyramid shows the population structure of a country - Correct Answers ✅It shows age and sex structure of a population Define population momentum - Correct Answers ✅the tendency for a population to continue to grow despite a fall in CBR and fertility, (CBR x LEB) 1 / 2
IB geography sl (IB exam questions for chapter 1-2) Questions With Complete Solutions Suggest two reasons why men have a lower life expectancy than women in most countries - Correct Answers ✅Men tend to take more risks and do dangerous things, and secondly since women have to cope with the needs of having babies, they can cope with not enough food and over eating and all that.Explain two reasons why a population begins to age in a country - Correct Answers ✅The fertility rates go down and the CDR go down as well so people start living longer Explain two economic effects of a youthful population structure - Correct Answers ✅there is a strain of schools and there isn't enough workforce yet until the children grow older.Suggest two reasons why governments need population projections - Correct Answers ✅They use it to gauge future demand for food, water, energy needed, services, and so forth. They also use it Suggest reasons why female empowerment in politics has risen - Correct Answers ✅women are now able to have more education and this makes them more qualified, Women are being given more legal rights, cultures are changing and along with that is their value systems.
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