27. Reasons for overpopulation, contraceptives and their principle

Choose the correct answer:

[Note: Choose all the correct options, there may be one more correct options]

1. Which of the following statements is not the reasons for population explosion?

Decrease in maternal mortality rate
Decrease in infant mortality rate
Increase in maternal mortality rate
Increase in infant mortality rate

2. What are the use of contraception?

Prevents unwanted pregnancy
Increases the chance of STDs
Prevents the spread of STDs
Improves the chances of pregnancy

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