Species that occur in different geographical regions or separated by spatial barrier are said to be
Options
(a) allogenic (b) autogenic (c) sympatric (d) allopatric
Correct Answer:
allopatric
Explanation:
No explanation available. Be […]
Swan neck flask experiment was performed by
Options
(a) Louis Pasteur (b) Darwin (c) Oparin & Haldane (d) Aristotle
Correct Answer:
Louis Pasteur
Explanation:
No explanation available. Be the first to write the […]
Tendril of Cucurbita & thorns of Bougainvillea are
Options
(a) vestigial organ (b) analogous organ (c) homologous organ (d) both (a) and (c)
Correct Answer:
homologous organ
Explanation:
No explanation available. Be the […]
The age of fossils is determined by
Options
(a) analysis of bones (b) radioactive C¹⁴ dating (c) electron microscopy (d) weighing the fossils
Correct Answer:
radioactive C¹⁴ dating
Explanation:
No explanation available. Be […]
The best description of natural selection is
Options
(a) the survival of the fittest (b) the struggle for existence (c) the reproductive success of the members of a population best adapted to the […]
The biogenetic law of Haeckel is
Options
(a) Omnis vivum-e-vivum (b) Omnis cellula-e-cellula (c) ontogeny repeats phylogeny (d) phylogeny repeats ontogeny
Correct Answer:
ontogeny repeats phylogeny
Explanation:
No explanation available. Be the first […]
The brain capacity of Homo erectus was
Options
(a) 800 to 1300 cc (b) 1650 cc (c) 650 cc (d) 1400 cc
Correct Answer:
800 to 1300 cc
Explanation:
No explanation available. Be […]
The chance of elimination of genes from a small population is an example of
Options
(a) selection pressure (b) speciation (c) adaptation (d) genetic drift
Correct Answer:
genetic drift
Explanation:
No explanation available. […]
The closely related morphologically similar sympatric populations, but reproductively isolated are designated as
Options
(a) clines (b) clones (c) demes (d) sibling species
Correct Answer:
sibling species
Explanation:
No explanation available. Be the […]
The concept on the origin of species by means of Natural Selection was first published in
Options
(a) 1859 (b) 1858 (c) 1839 (d) 1836
Correct Answer:
1859
Explanation:
Charles Darwin(1809-1882) was an […]
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