Test 2

1. What is the correct sequence of stages in the cell cycle?

2. If the ratio of boys to girls in a class is 3:5 and there are 24 boys, how many girls are there?

3. Which of the following is NOT a stage of mitosis?

4. A recipe calls for a ratio of 2 cups of flour to 3 cups of sugar. How many cups of sugar are needed for 8 cups of flour?

5. What is the result of rounding 3.456 to the nearest tenth?

6. How many chromosomes are present in a human cell during the G1 phase?

7. A map scale shows that 1 cm represents 20 km. If two cities are 4 cm apart on the map, what is the real distance between them?

8. What stage of the cell cycle involves the replication of DNA?

9. If a recipe uses a ratio of 4:1 for flour to cocoa powder and you have 2 cups of cocoa powder, how much flour do you need?

10. What is the approximate value of π (pi) when rounding to two decimal places?