1. The word marries illustrates an inflection to a verb which includes a spelling change to the base word.

True
False

2. What is the root word of unlocked?

A. un
B. lock
C. locked
D. ed

3. What is the root word of servant?

A. serv
B. ant
C. vant
D. serve

4. Amazingly has the root word maze.

True
False

5. Telegram is a ___..

A. root plus a suffix
B. Combining form

5. What is the root of this word (Use a dictionary if necessary.)?

weightlessness

A. weight
B. weightless
C. weigh

6. What is the root of this word (Use a dictionary if necessary.)?

miraculous

A. miracul
B. miracle
C. act

Because the word has changed its form in order to distinguish its case -in this case, the activity of a third person.
The root word is lock, the rest are added depending on the situation the writer wants to describe. Some are sufix, other are prefix. the other is already modified in order to describe the status of the person or a thing.
The root word is serve, the rest are added depending on the situation the writer wants to describe. One is a suffix, and the words serv and vant doesn't exist.
The word maze doesn't exist.
Because it is a form of a word that is normally used in compounds in combination with another element to form a word.
The last option is a verb and the second one has a suffix.
The first word doesn't exist, and the last one has a totally different meaning