There are two syllables. Check and mark are one syllable each.
The word 'answer' has 2 syllables. An-swer.
There are four syllables in the word "usually".
The word "abide" has two syllables.
The word antelope has three syllables. The syllables in the word are an-te-lope.
The word twenty has two syllables. The syllables in the word are twen-ty.
The word mark has one syllable.
The word marker has two syllables. Mark-er.
there are 5 syllables in popularity. you can check by clapping the word out.
There are 4.
It has 4 syllables. If you have questions about the syllables of any other word, check a dictionary, they will always have the syllables. 
It has one syllable. BTW if you want to know how many syllables are in a word or if you want to check than you can always look the word up in a dictionary-- it will separate the word into a certain number of syllables, for example: a-non-y-mous as in four syllables
1 syllable. If you want to know the number of syllables in a word, check out: http://www.HowManySyllables.com
3 three syllables A way to check this is by putting your hand under your chin and seeing how many times your chin hits your hand as you say the word. This number is the number of syllables it has.
Two syllables in the word teacher.
one. to check just count how many times your jaw drops =]]
The word 'answer' has 2 syllables. An-swer.
There are four syllables in population. You can check this by placing your hand about a 1cm under your chin and each time it touches your hand whilst you say a word, is how many syllables it has! Hope this was useful!