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level: Level 1

Questions and Answers List

level questions: Level 1

Question	Answer
the branch of science dealing with process of improvement of human race by selective breeding is called	euphenics
theory of pangenesis was given by	darwin
the cranial capacity was largest among the	neanderthal man
a baby has been born with a small tail. it is the case exhibiting	atavism
homo sapiens implies	human beings
a population is in hardy-weinberg equilibrium for a gene with only two alleles. if the gene frequency of an allele A is 0.7, the genotype frequency of Aa is ( calculate!)	0.42
acc. to hardy-weinberg principle, allele and genotype frequencies in a population will remain constant from generation to generation in the absence of other evolutionary influences. it makes several assumptions	random mating, sexual reproduction and non overlapping generations
which of the following was most similar to modern man	cro-magnon man
we have lost all the direct evidences of origin of life only due to	destruction of fossils on account of climatic changes
it belongs to the ginkgoales evolved during the jurassic period and is still existing without any morphological or anatomical changes.	ginkgo biloba
complete development of foetal takes place in	270-290 days in human also called the gestation period
why can't coacervates be the precursors of life	because they do not have lipid outer membrane and hence they cannot reproduce
who gave the theory of germplasm	weismann
ancestral seed-eating stock of darwin's finches radiated out from south american mainland to different geographical areas of the galapagos islands, where they found competitor-free new habitats	darwin's finches show a variety of beaks suited for eating large seeds, flying insects and cactus seeds
the earliest organisms that appeared on the earth were non-green and presumably anaerobes	because of the reducing atmosphere and the first autotrops were chemoautotrophs
eohippus is the earliest fossil form in the phylogeny of horse and it was found in the period	eocene
jave ape-man, peaking man and heidelberg man are the fossils of	homo erectus
homo erectus evolved from	homo habilis
natural selection is the outcome of difference in survival and reproduction among individuals that show variation in one or more traits	adaptive forms of a given trait tend to become more common, less adaptive ones become less or disappear
organic compounds that first evolved in earth which required for origin of life were	protien and nucleic acid
all life forms were in	aquatic environment only