List the three types of extinction processes.

(a) Write, what DNA replication refers to. (b) State the properties of DNA replication model. (c) List the three enzymes involved in the process along with their functions.

Types of Thermodynamic Processes

Give three main causes of extinction of a species by human intervention.

List three phases of gametogenesis.

List three omnivores.

List the types of industries on the basis of source of raw materials.

Indicate whether the following statements are true or false. Correct each faqlse statement to make it true. (i) Mass extinction is the extermination of a large number of species due to catastrophers. (ii) IUCN Red list (2004) documents the extinction of 359 animal species. (iii) Quagga from Africa and Stellers sea cow from America have been extinct in last few years. (iv) Anthropogenic extinction is 10-100 times more faster than the rate of natural extinctions.