Human Health and Disease — BIOLOGY STD 12 Science — Question

Population growth depends on changes in _________ and _________,_________ factors.

The structure forming vascular contact between embryo and uterus is called _________.

Tubectomy is a method of sterilisation in which _________.

The vector used for gene cloning in most of the dicotyledonous plant is _________ and in animal cell is _________.

The flow of energy is _________ in all the ecosystems of biosphere

In 2002, the World Summit on Sustainable Development was held _________ in South Africa.

The triangular age pyramid represents the _________ population.

At the time of ovulation, ovum developing during oogenesis in human female is called _________ .

Proteins containing cry proteins required to control the cotton worm is encoded by _________ gene and to control the corn borer are encoded by_________ gene.

The process of separation and purification of expressed proteins before sending them to the market is called _________.