Evolution — BIOLOGY STD 12 Science — Question

What is a hot spot?

What are the major components of seminal plasma?

Name the three important components of biodiversity.

How many X-chromosomes and how many autosomes are present in a human ovum?

Coelacanth that was caught in 1938 in South Africa, was very significant in the evolutionary history of vertebrates. Why?

Give any two microbes that are useful in biotechnology.

Write a difference between net primary productivity and gross primary productivity.

OR

How is net primary productivity different from gross primary productivity?

Which is the site of control of gene expression in prokaryotes?

A geneticist interested in studying variations and patterns of inheritance in living beings prefers to choose organisms for experiments with shorter life cycle. Provide a reason.

Inflated pods, Terminal flowers, Yellow seeds, Green pods (all in garden pea).