The ________ prevents poly spermy.

Prevention

Progesterone pill helps in preventing pergnancy by preventing

Which reagent is used for poly bromination of phenol

When 100gm Ethene polymerises entirely to poly ethene, the weight of poly ethene formed as per the equation nCH_3 = CH_2 to (CH_2- CH_2)_n is

Although both polymers are prepared by free radical processes, poly (vinyl chloride) is amorphous and poly (vinylidene chloride)(saran) is highly crystalline. How do you account for the different? (vinylidene chloride is I, I-dichloroethene).

Cu-T prevents pregnancy by preventing

Write a note on Apomixis or poly embryony.

These are projected inside from the poly nucleotide backbone

The poly dispersity index (PDI) is for - natural polymers