yellow dying leaves

[madmucka]

i have a 11 week old tripple cheese. she been on flower for a week. I've noticed leaves yellowing a dropping off in the centre of the plant. I will attach some images. I'm not sure if it's a nitrogen defincey or nute burn. this is my first grow. it is a photo plant. thanks.

 

[Toker1]

Sometimes leaves yellow off and die. It’s natural. If you overfed you usually see burnt looking leaf tips.
Could be a deficiency, light penetration issue, or could be pests. Hard to say at this point.
Have you checked for pests yet?