1-F-7PG have been used as interceptors against the Invading platforms from eastern side along f-16s. Should PAF had no faith in its capabilities,we would not have seen these fighters scrambling for interceptions (rather alone F-16s).
2-Again the proponents of the range theory forget that there are two broad type of sensing: 1)Passive 2)Active. The pesive sensing has significantly longer range than the active sensing since it works like ears. It receives what is available out there (e.g a radar echo), so if a fighter turns his eco off, the sensor becomes deaf.Secondly, the determination of precise location of target is another issue as these sensor carry out detection on target characteristics. The active sensor, on the other hand, work like the eyes. Significantly short ranged vis-a-vis passive sensors, but more precise and are not dependent upon the input of target. Secondly, the radar range varies with the size of target, for example the radar range reduced with the RCS of target, so absolute figures don't mean anything. for a complete understanding of radar ranges, read this thread
http://www.defence.pk/forums/air-warfare/94948-radar-ranges-different-fighters-2.html
PGMs, Yes. BVRs, Yes. WVR, Yes. IRST, nops