The early stages of embryonic development in all metazoans i.e. morula, blastula and gastrula are basically similar and indicate:
A.Variation
B.Monophyletic origin
C.Mutation
D.None of these
Category: Organic Evolution Mcqs
Amphibians were at climax during:
A.Silurian period
B.Devonian period
C.Carboniferous period
D.Permian period
Presence of Cytochrome-C in all Eukaryote organisms is evidence of organic evolution related to:
A.Comparative Tectology
B.Comparative Physiology
C.Comparative Genealogy
D.Comparative Embryology
Serum of blood of man is mixed with rabbits antiserum, the result would be:
A.Coagulation
B.Precipitation into white ppt.
C.Both (a) & (b)
D.None of these
Recapitulation theory means that:
A.All animals start as an egg
B.History of the animal reflects it’s evolutionary history:
C.Organs which are lost are regenerated
D.Young one of an organism are similar to parents
Which of the following birds is unable to fly:
A.Peacock
B.Duck
C.Emu
D.Stork
A Vestigial organ in man is:
A.Ear pinnae
B.Ileum
C.Ear muscles
D.Tooth
Age of fossils is calculated by calculating the age of rock with the help of:
A.Chemical analysis
B.Liquid nitrogen
C.Carbon dating
D.None of these
Mammals are as old as:
A.Proterozoic era
B.Palaeozoic era
C.Mesozoic era
D.Coenozoic era
One of the following organ is not example of vestigial organ in man:
A.Plica semilunaris of eye
B.Vermiform appendix
C.Skin hair
D.Adrenal gland
