If the theory that novae occur in close binary system is correct, then:?

Question

Novae should occur in regions of star formation.
Novae should repeat after some time interval.
Novae should not occur in old star clusters.
Novae should produce synchrotron radiation.
Novae should eventually produce a black hole.

Answer 1

The answer is "Novae should repeat after some time interval." This is because one star takes matter from the other star in the binary system. After a nova occurs, the matter starts building up again until it is enough for another nova.

Answer 2

No.
Yes.
no.
Not likely.
No.
No,though theory say "Yes"a black hole is strictly theoretical and cannot exist.