Understanding Homophones: Altar vs. Alter

This question tests our understanding of homophones. Homophones are words that sound alike but have different spellings and meanings. In this case, the homophones are "altar" and "alter".

Defining the Homophones

• Altar: This is a noun. It refers to a table or flat-topped block used as the focus for a religious ritual, especially for sacrifices or offerings. You would typically find an altar in a church or temple.
• Alter: This is a verb. It means to change or make something different. For example, you might alter a piece of clothing or alter your plans.

Analyzing the Sentences

Let's look at each sentence provided in the question:

1. The stained glass windows behind the _______ in Glenn Church are in need of repair.
   • The sentence mentions a church.
   • It refers to something located inside the church, behind which stained glass windows are placed.
   • The word needed is a noun that fits this description within a church context.
   • Comparing "altar" (a church structure) and "alter" (to change), "altar" is the correct word for this blank.
2. Genetic screening has the potential to _______ the genetic composition of the population.
   • The sentence discusses genetic screening and its potential effect on the genetic composition.
   • The word needed describes what genetic screening can do to the genetic composition.
   • Comparing "altar" (a church structure) and "alter" (to change), "alter" is the correct word, meaning genetic screening can change the genetic composition.

Selecting the Correct Pair

Based on the analysis, the correct word for the first blank is "altar", and the correct word for the second blank is "alter". Therefore, the correct pair of homophones is "altar, alter".

Comparing with Options

Let's check the provided options:

• Option 1: alter, altar (Incorrect - The order is wrong for the blanks)
• Option 2: altar, alter (Correct - Fits the requirements for both blanks)
• Option 3: alter, alter (Incorrect - The first word should be 'altar')
• Option 4: altar, altar (Incorrect - The second word should be 'alter')

The correct pair is "altar" for the first blank and "alter" for the second blank, matching option 2.

Revision Table: Homophones – Altar and Alter

Additional Information: More on Homophones and Word Usage

Understanding homophones is crucial for accurate writing and comprehension. Many words in English sound the same but have completely different meanings and spellings. Using the wrong homophone can change the entire meaning of a sentence or make it nonsensical.

Here are a few other common homophone pairs:

• Affect (verb - to influence) vs. Effect (noun - result)
• Their (possessive pronoun) vs. There (adverb of place) vs. They're (contraction of 'they are')
• To (preposition) vs. Too (adverb - also, excessively) vs. Two (number)
• Principle (noun - a rule or standard) vs. Principal (noun/adjective - head of a school, main)

When you encounter words that sound alike, it's always a good idea to check their spelling and meaning in a dictionary to ensure you are using the correct word in context.