Quiz

Quiz: Coordination and Response Question 1 Define the term ‘reflex action’. [2] Question 2 The diagram below shows a simple reflex arc. Identify the role of the effector in this process. [1] Explain why reflex actions are important for survival. [2] Question 3 Identify the hormone produced by the pancreas that lowers blood glucose levels. [1] Question 4 Plants respond to their environment through growth movements. Define ‘phototropism’. [2] State the name of the plant hormone responsible for controlling phototropism. [1] Question 5 Compare the structure and function of a sensory neuron and a motor neuron. [4] ...

Chemistry Quiz: Metals Question 1 List three general physical properties of metals. [3] Question 2 Define the term ‘reactivity series’. [2] Question 3 When magnesium is heated in air, it reacts with oxygen. State the observation during this reaction. [1] Write a balanced symbol equation for this reaction. [2] Question 4 Explain why aluminum is extracted by electrolysis rather than by reduction with carbon. [2] Question 5 Steel is an alloy of iron and carbon. Explain why steel is harder than pure iron. [2] ...