Which one of the following amino acid was not found to be synthesised in Miller's experiment? 

  • Aspartic acid

  • Glutamic acid

  • Alanine

  • Glycine

Two geographical regions separated by high mountains are 

  • Oriental and Austrailian

  • Palaearctic and Oriental

  • Nearctic and Palaearctic

  • Neotropical and Ethiopian

Correct order is [1991]

  • Palaeozoic →      Archaeozoic →     Coenozoic
  • Archaeozoic →      Palaeozoic →      Proterozoic
  • Palaeozoic →     Mesozoic →      Coenozoic
  • Mesozoic →     Archaeozoic →      Proterozoic

Homologous organs are

  • wings of insects and bat

  • gills of fish and lungs of rabbit

  • pectoral fins of fish and fore limbs of horse

  • wings of grasshopper and crow

Evolution of different species in a given area starting from a point and spreading to other geographical areas is known as 

  • adaptive radiation

  • natural selection

  • migration

  • divergent evolution

Which was absent in the atmosphere at the time of origin of life?

  • NH3

  • H2   

  • O2   

  • CH4

Darwin in his 'Natural Selection Theory' did not believe in any role of which one of the following in organic evolution?

  • Discontinuous variations

  • Parasites and predators as natural enemies

  • Survival of the fittest

  • Struggle for existence

In recent years, DNA sequences (nucleotide sequence) of mtDNA and Y-chromosomes were considered for the study of human evolution, because

  • they can be studied from the samples of fossil remains

  • they are small and, therefore, easy to study

  • they are uniparental in origin and do not take part in recombination

  • their structure is known in greater detail

Which one is irrelevant to evolution of man? 

  • Perfection of hand for tool making

  • Change of diet from hard nuts/roots to soft food

  • Increased ability to communicate or develop community behaviour

  • Loss of tail

Study of fossils is 

  • palaeontology

  • herpetology

  • saurology

  • organic evolution

An important evidence in favour of organic evolution is the occurrence of 

  • analogous and vestigial organs

  • homologous organs only

  • homologous and analogous organs 

  • homologous and vestigial organs

The earliest fossil form in the phylogeny of horse is

  •  Merychippus

  • Mesohippus

  • Eohippus

  • Equus

Which is not a vestigial part in humans ? 

  • Segmental muscles of abdomen

  • Finger nails

  • Third molar

  • Coccyx

Which one of the following statements is correct?

  • stem cells are specialised cells

  • There is no evidence of the existence of gills during embryogenesis of mammals

  • All plant and animal cells are totipotent

  • Ontogeny repeats phylogeny

Evolutionary convergence is the development of 

  • common set of characters in the group of different ancestry

  • dissimilar characters in closely related groups

  • common set of characters in closely related groups

  • random mating

The finches of Galapagos islands provide an evidence in favour of

  • special creation

  • evolution due to mutation

  • retrogressive evolution 

  • biogeographical evolution 

Which of the following primate is the closest relative of humans ? 

  • Rhesus monkey

  • Orangutan

  • Gorilla

  • Gibbon

Convergent evolution is illustrated by

  • dogfish and whale

  • rat and dog

  • bacterium and protozoan

  • starfish and cuttle fish

Evolutionary history of an organism is known as

  • ancestry 

  • palaeontology

  • ontogeny 

  • phylogeny

Genetic drift operates in 

  • small isolated population

  • large isolated population

  • fast reproductive population

  • slow reproductive population

Which of the following pair is homologous organ?

  • Wings of birds and locust

  • Wings of birds (sparrow) and pectoral fins of fish

  • Wings of bat and butterfly

  • Legs of frog and cockroach

De Vries gave his mutation theory on organic evolution while working on

 

  •  Pisum sativum

  •  Drosophila melanogaster

  •  Oenothera lamarckiana

  •  Althea rosea

Peripatus is a connecting link between

  • Ctenophora and Platyhelminthes

  • Mollusca and Echinodermata

  • Annelida and Arthropoda

  • Coelenterata and Porifera

The age of the fossil of Dryopithecus on the geological time scale is 

  • 5 x 106 yr back

  • 25 x 106 yr back

  • 50 x 106 yr back

  • 75 x 106 yr back

Evolution is 

  • progressive development of a race

  • history and development of race along with variations

  • history of race

  • development of race

Darwin's finches provide an excellent evidence in favour of evolution. This evidence comes from the field of 

  • Biogeography

  • Anatomy

  • Embryology

  • Palaeontology

Which one of the following is incorrect about the characteristics of protobionts (coacervates and microspheres) as envisaged in the abiogenic origin of life?

  • They were able to reproduce

  • They could separate combinations of molecules from the surroundings

  • They were partially isolated from the surroundings

  • They could maintain an internal environment

Darwin's finches are an excellent example of 

  • adaptive radiation

  • seasonal migration

  • brood parasitism

  • connecting links

Basic principles of embryonic development were pronounced by 

  • Von Baer 

  • Weismann

  • Haeckel

  • Morgan

Which one of following scientists name is correctly matched with the theory put forth by him?

  • Weismann-Theory of continuity of germplasm

  • Pasteur- Inheritance of acquired characters

  • De vries-Natural selection

  • Mendel-Theory of pangenesis

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