The concept of ''Omnis cellula-e cellula'' regarding cell division was first proposed by :

The frequency of recombination between gene pairs on the same chromosome as a measure of the distance between genes was explained by :

Match the hominids with their correct brain size :

(a) Homo habilis	(i) 900 cc
(b) Homo neanderthalensis	(ii) 1350 cc
(c) Homo erectus	(iii) 650-800 cc
(d) Homo sapiens	(iv) 1400 cc

Select the correct option.

Identify the correct pair representing the causative agent of typhoid fever and the confirmatory test for typhoid.