Multiple Choice Questions

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

  • chemoautotrophs

  • eobionts

  • prokaryotes

  • microspheres


D.

microspheres

Microspheres are the most primitive cell like chemical aggregates. They resemble coccoid bacteria. These are molecular aggregates of proteinoids and capable of growth and division (binary fission or by budding).


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A colourblind mother and normal father would have

  • colourblind sons and normal/carrier daughters

  • colourblind sons and daughters

  • all colourblind

  • all normal


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


Autosomes in humans are

  • 11 pairs

  • 22 pairs

  • 23 pairs

  • 43 pairs


Ruminate endosperm occurs in

  • Annonaceae/Areca nut

  • Compositae

  • Cruciferae

  • Euphorbiaceae


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Which of the following are most abundant types of antibodies ?

  • IgA

  • IgE

  • IgG

  • IgM


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

  • Titanic

  • Vikrant

  • Vectoria

  • Beagle


The earliest fossil form in phylogeny of horse is

  • Merychippus

  • Mesohippus

  • Eohippus 

  • Equus


Inheritance of ABO blood groups illustrates

  • polyploidy

  • multiple allelism

  • euploidy

  • dominance


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Cranial capacity of modern man is

  • 450-650 cc

  • 600-1000 cc

  • 900-1100 cc

  • 1200-1600 cc