Construct an age pyramid which reflects an expanding growth status of human population.
The age pyramid reflects an expanding growth status of human population as the number of individuals in the post reproductive stage is lower than the Reproductive and the pre-reproductive stage.
Explain the significant role of the genus Nucleopolyhedrovirus in an ecological sensitive area.
Describe the mutual relationship between fig tree and wasp and comment on the phenomenon that operates in their relationship.
Make a list of any three out breeding devices that flowering plants have developed and explain how they help to encourage cross-pollination.
Write the scientific name of the fruit-fly. Why did Morgan prefer to work with fruit-flies for his experiments? State any three reasons.
How have transgenic animals proved to be beneficial in:
(a) Production of biological products
(b)Chemical safety testing.
With the help of one example, explain the phenomena of co-dominance and multiple allelism in human population.
Linkage or crossing-over of genes are alternatives of each other. Justify with the help of an example.
