Choose the word opposite in meaning to-
Succumb
a) Curb
b) Resist
c) Injure
d) Shoot

Hint:The dictionary meaning of the word ‘succumb' is ‘fail to resist some negative force'. For example: Succumb to our fate.

Complete answer:
The given word ‘succumb' is a verb which means to fail to resist pressure, temptation, or some other negative force. For example, We cannot merely give up and succumb to despair. In the given question we have to find out the opposite of the given word ‘succumb'.
Now, let us examine all the given options to find out the correct answer :
Option ‘a’ is Curb. It is a noun that means a check or restrain on something. For example : Plans to introduce tougher curbs on insider feelings.
Option ‘b’ is Resist. It is a verb which means to withstand the action or effect on something. For example, Antibodies help us to resist infection.
Option ‘c’ is Injure. It is a verb which means to do physical harm or damage to (someone). For example, The explosion injured several people.
Option ‘d’ is Shoot. It is a verb which means to kill or wound (a person or animal) with a bullet or arrow. For example, He was shot in the head.
As we have analyzed all the given options, we can easily figure out the correct option. Here, the word opposite in meaning to ‘succumb' is ‘resist’. Hence, option ‘b’ is the correct option.

Note:
All the other options are plausible detractions. Don’t confuse between ‘curb’ and ‘resist’. We are asked to give an antonym and not a synonym.