Which of these induces the development of corpus Luteum:
1.  LH
2.  Oestrogen
3.  FSH
4.  LTH

After ovulation, follicles convert into:
1.  Corpus luteum
2.  Corpus albicans
3.  Corpus cavernosa
4.  Corpus callosum

Which set is similar:
1.  Corpus luteum – Graafian follicles
2.  Sebum-sweat
3.  Bundle of his – Pacemaker
4.  Vita $B_7$ - Niacin

If the mammalian ovum fails to get fertilized, which one of the following is unlikely:

1. Estrogen secretion further decreases

2. Progesterone secretion rapidly declines

3. Corpus luteum will disintegrate

4. Primary follicle starts developing