MERIT

[richman0201]

The quality of being particularly good or worthy, especially so as to deserve praise or reward. A good feature or point. Or we can say A pass grade in an examination denoting above-average performance.

[SM23031997]

 Hi I'm Jr.member here but i don't know how to gain MERIT. Please give me some idea. And i have read other post that you didn't ranked up from Jr.member to Member if you have not MERIT. Is that true?

Yup, it's true
Either you can try some merit giveaways where you need to point some quality posts done by you and they will be merited by others
or
come up with some unique and different idea, make a thread. You will be rewarded merit points for that.