The earliest fossil form in phylogeny of horse is

• Merychippus

• Mesohippus

• Eohippus 

• Equus

The most primitive cell like chemical aggregates capable of growth and division were

• chemoautotrophs

• eobionts

• prokaryotes

• microspheres

Autosomes in humans are

• 11 pairs

• 22 pairs

• 23 pairs

• 43 pairs

Cranial capacity of modern man is

• 450-650 cc

• 600-1000 cc

• 900-1100 cc

• 1200-1600 cc

A colourblind mother and normal father would have

• colourblind sons and normal/carrier daughters

• colourblind sons and daughters

• all colourblind

• all normal

Ruminate endosperm occurs in

• Annonaceae/Areca nut

• Compositae

• Cruciferae

• Euphorbiaceae

Haeckel's biogenetic law or recapitulation theory states that

• life history of an animal reflects evolutionary history of the same

• progeny resembles parents

• mutations are acquired characters

• all organisms begin their life from zygote

Inheritance of ABO blood groups illustrates

• polyploidy

• multiple allelism

• euploidy

• dominance

Which of the following are most abundant types of antibodies ?

• I_gA

• I_gE

• I_gG

• I_gM

Name the ship on which Darwin got opportunity for a voyage of world.

• Titanic

• Vikrant

• Vectoria

• Beagle