Solving Analogy Questions: Heart, Veins, River

Analogy questions test your ability to find the relationship between pairs of words and apply that same relationship to another pair. The given analogy is: Heart : Veins :: River : ?

We need to understand the relationship between the first pair, 'Heart' and 'Veins', and then find a word from the options that has the same relationship with 'River'.

Relationship Between Heart and Veins

Let's analyze the relationship between the Heart and Veins:

• The heart is a central organ in the circulatory system.
• Veins are blood vessels that carry deoxygenated blood from different parts of the body back to the heart.
• So, veins are structures that feed or bring something (blood) into the heart.

The relationship is 'something that brings X back to Y', where Y is the central element (Heart) and X is what is brought back (Blood) via the structures (Veins).

Applying the Relationship to River

Now, we apply this relationship pattern to the second pair, 'River : ?'. The river is the central element (like the Heart). We are looking for something that brings water (like blood) into the river (like the heart).

Analyzing the Options

Let's look at the given options:

• Water: Water is the substance that makes up a river, not something that flows into it from the outside in this context.
• Current: Current refers to the flow of water within the river itself.
• Ocean: An ocean is a large body of water that a river often flows into, not something that flows into the river.
• Tributaries: Tributaries are smaller streams or rivers that flow into a larger river. They bring water from surrounding areas into the main river channel.

Identifying the Correct Analogy

Comparing the options to the relationship we identified ('something that brings X into Y'):

• Veins bring blood into the Heart.
• Tributaries bring water into the River.

The relationship between 'Tributaries' and 'River' is the same as the relationship between 'Veins' and 'Heart'. Therefore, 'Tributaries' is the correct term.

Conclusion

Based on the analysis of the relationship between Heart and Veins, and applying that same logic to River, the term that completes the analogy is Tributaries. Tributaries are the streams that feed into a river, just as veins feed into the heart.

The element that brings water to the River is Tributaries.

Analogy Revision Table

Additional Information on Analogies and Relationships

Analogies often rely on identifying different types of relationships between words. Some common types include:

• Part to Whole: e.g., Finger : Hand (Finger is part of Hand)
• Cause and Effect: e.g., Heat : Evaporation (Heat causes Evaporation)
• Worker and Tool: e.g., Carpenter : Saw (Saw is a tool used by a Carpenter)
• Synonyms: e.g., Happy : Joyful (Happy and Joyful mean similar things)
• Antonyms: e.g., Hot : Cold (Hot and Cold are opposite)
• Study and Topic: e.g., Biology : Life (Biology is the study of Life)

In this case, the relationship is functional, describing how one element serves the other by bringing something to it. Understanding these common relationship types helps in solving various analogy questions.