Q1:
A: What is science? Explain the scientific approach to understand the natural world.
B: Describe the relationship between science and technology.
Q2:
A: Explain how DNA determines an organism’s structures and functions.
B: Compare the dynamics of nutrients and energy in an ecosystem.
Q3:
A: Define 4 biological macromolecules. Describe each molecule with examples
B: Explain why fats and steroids, which are structurally very different, are both classed as lipids.
Q4:
A: How do plants obtain water and nutrients and prepare sugars?