HSC Core Subjects 3

Question 1

In Mathematics Extension 1, the binomial theorem expands (a + b)ⁿ. What is the coefficient of the third term when n = 4?

Accepted Answer

6

Answer

4

Answer

8

Answer

12

Question 2

Which of the following best defines 'homeostasis' in Biology?

Accepted Answer

The maintenance of a stable internal environment despite external changes

Answer

The process of cell division

Answer

The conversion of glucose into ATP

Answer

The replication of DNA before mitosis

Question 3

In English, the term 'intertextuality' refers to:

Accepted Answer

The way a text references, echoes, or is shaped by other texts

Answer

Comparing two texts from different cultures

Answer

Writing an essay that includes multiple quotations

Answer

Analyzing a text within its historical context

Question 4

In Chemistry, Le Chatelier's Principle states that a system at equilibrium will:

Accepted Answer

Shift to counteract any applied stress and restore equilibrium

Answer

Always shift toward producing more products

Answer

Remain unchanged when a stress is applied

Answer

Increase its temperature when pressure is reduced

Question 5

Which economic concept refers to the additional output produced by employing one more unit of a factor of production?

Accepted Answer

Marginal product

Answer

Total revenue

Answer

Fixed cost

Answer

Opportunity cost

Question 6

In Physics, which property of a wave determines its pitch when heard as sound?

Accepted Answer

Frequency

Answer

Amplitude

Answer

Wavelength

Answer

Speed

Question 7

A historian arguing that economic factors were the primary cause of World War I is presenting which type of argument?

Accepted Answer

Monocausal

Answer

Social constructivist

Answer

Multicausal

Answer

Revisionist