Someone who has strong moral principles and does the right thing is said to have “rectitude.” As for the other answer choices, “inflexibility” means either stubbornness or inability to bend; “ineptitude” means the lack of necessary skills; “zeal” means passion, often too much passion; and “detachment” describes a feeling of distance from things or lack of attachment.

A “hovel” is the name given to a small, dirty house. A “mansion” is a big and expensive house; it is the opposite to a “hovel.” A “hoax” is a practical joke, often a large-scale one; a “lull” is a decline in energy or activity; and “occupant” means resident or someone who lives in something.

An “impasse” is another word for stalemate, so this is the correct answer. An “endorsement” is official support given to someone; “culprit” means guilty person or person responsible for something done wrong; “recreation” means hobby or something done for enjoyment or entertainment; “agility” means nimbleness and the ability to manipulate one’s own body.

The sentence tells us that the witness lied "in court," and the terms “witness” and “accused” support this point. Lying in court when you are under oath to tell the truth is a specific crime called “perjury.” “Mockery” means the act of making fun of something; "a mockery" can also mean an embarrassment; “imitation” means a copy, or the act of mocking something by copying it; “instigation” means the thing that started something or provocation; “initiation” means start or the act of admitting someone into a group.

Whatever existed between the two brothers grew into mutual hatred (“enmity”) when their father died. Because it only intensified, rather than came from nowhere, the relationship between the two brothers was likely "discord," or a state in which all parties involved do not agree or work well with one another. As for the other answer choices, an “accord” is an agreement or a state of agreement; “chaos” is uncontrolled frenzy and disorder; "creativity" means ability to develop one's own unique ideas (especially artistic ones) and solutions to problems; and "ingenuity" is cleverness and inventiveness.

The boy's parents are worried about him, and violence is not a good thing, so this suggests that he must have an inclination towards violence. The correct answer is therefore “propensity,” which means natural inclination towards or tendency to do something. “Distaste” is an antonym of "propensity"; it means dislike or aversion; "facade" means the front part of a building that faces the street or a false pretense or appearance; "defense" means way of protecting oneself against a threat; and “estimation” is an approximation or a guess.

From the context of the sentence, you can reasonably determine that the answer choice must be another word for “fight.” This should lead you “brawl,” which is a chaotic and disorderly fight, usually involving more than two people. As for the other answer choices, “daze” means a state of being stunned or confused and momentarily not reacting to one's surroundings; “fleet” means a group of ships; “argument" means dispute involving spoken statements; and "organization" means orderliness or official group.

You are looking for an answer choice that describes a long journey, so the correct answer is “trek.” To provide further help, a “runt” is the smallest of a group; “tirade” means an angry speech; and “divide” means separate into two or a specified number of parts or groups. 

We are told that biologists struggled to do something due to a lack of a uniform naming system. Here the word “uniform” means standardized or accepted by everyone. So, it makes sense that Carl Linnaeus would change the world of biology by introducing a logical naming system, or “nomenclature.”

As the play is four hours long, we can infer that after a couple of hours, the play would be half over. At the halfway point of most long plays there is a break where the audience can get up and walk around, also known as an “intermission.”