Explain ETS.

Explain Sandmeyer reaction.

What is infertility ? Explain IVF-ET and ZIFT methods to assist infertile couple to have children,

Explain the steps involved in IVF-ET techniques.

(a) Explain the following assisted reproductive technologies : (i) IVF-ET (ii)ZIFT (iii) ICSI (b) Name any two hormone producing IUD’s.

A) Explain the following assisted reproductive technologies : I) IVF-ET II) ZIFT III) ICSI B) Name any two hormone producing IUD's.

Explain Heterocyst.

Explain predation.

Explain micturition.

Explain the term aromaticity.