Tendrils of Cucurbita and thorns of Bougainvillea are ... .. [ DPMT 2007]
100%
a) Homologous organs
0%
b) Analogous organs
0%
c) Vestigial organs
0%
d) Atavistic divergence
Q.2.
Which is not vestigial in man? ... ... [ BHU 2008 ]
25%
a) Tail vertebrae
50%
b) Nails
0%
c) Nictitating membrane
25%
d) Vermiform appendix
Q.3.
The earliest fossil form in the phylogeny of Horse is ... ... [ CBSE 1994 ]
33%
a) Merychippus
0%
b) MEsohippus
67%
c) Eohippus
0%
d) Equus
Q.4.
The biogenetic law of Haeckel is ... ... [ BHU 2005 ]
25%
a) Omnis vivum ex vivum
0%
b) Omnis cellula e cellula
75%
c) Ontogeny repeats phylogeny
0%
d) Phylogeny repeats ontogeny
Q.5.
Darwin is associated with ... .. [ HPPMT 1995 ]
100%
a) Natural selection
0%
b) Mutation
0%
c) Inorganic evolution
0%
d) All the above
Q.6.
Age of evolution of man is measured by ... ... [ CPMT 2001 ]
20%
a) Electron microscope
20%
b) Chemical reaction
60%
c) Radioactive dating
0%
d) Ultraviolet radiation
Q.7.
An evolutionary pattern characterized by increase in number and kind of closely related species is ... .. [ AMU 2012]
67%
a) Convergent evolution
0%
b) Parallel evolution
0%
c) Adaptive radiation
33%
d) Divergent evolution
Q.8.
Darwin in his "Natural Selection Theory" did not believe in any role of which one of the following ... .. [ CBSE 2003]
67%
a) Parasites and predators as natural enemies
0%
b) Survival of the fittest
0%
c) Struggle for existence
33%
d) Discontinuous variations
Q.9.
Species inhabiting the same geographical area are ... .. [ BHU 2012]
100%
a) Sympatric
0%
b) Sibling
0%
c) Taxonomic
0%
d) Allopatric
Q.10.
Which is not concept of Lamarckism ... .. [ CPMT 2007]
100%
a) rate and survival of organisms different due to variations
0%
b) Environmental pressure produce variations
0%
c) An organ in constant use will grow in size
0%
d) Inheritance of acquired characters
Q.11.
In which geological era did microbes originate .. .. [ MPPMT 2012]
33%
a) Precambrian
67%
b) Proterozoic
0%
c) Azoic
0%
d) Palaeozoic
Q.12.
Interacting populations are ... ... [ AMU 2002 ]
50%
a) Symbiotic
50%
b) Mutualistic
0%
c) Parasitic
0%
d) Coevolved
Q.13.
Higher frequency of melanic moths and DDT resistance in mosquitoes are examples of ... .. [ KCET 2008]
67%
a) Point mutation
0%
b) Genetic drift
33%
c) Natural selection
0%
d) Survival of the fittest
Q.14.
Concept of mutations was put forth by .. ... [ CBSE mains 2012]
33%
a) Charles Darwin who found a wide variety of organisms during sea voyage
67%
b) Hugo de Vries who worked on Evening Primrose
0%
c) Gregor Mendel who worked on Pisum sativum
0%
d) Hardy Weinberg who worked on allele frequencies in population
Q.15.
Ozone layer is important as it ... ... [ CPMT 1996 ]
25%
a) reduces light reflection
0%
b) provides oxygen to jet fliers
0%
c) absorbs extra light rays
75%
d) filters out ultra-violet radiation
Q.16.
Adaptive similarities in animals of the same habitat constitute ... .. [ Pb PMT 1999]
50%
a) Adaptive radiation
0%
b) Parallel evolution
50%
c) Convergent evolution
0%
d) Divergent evolution
Q.17.
Which is not given by Darwin? ... .[ AMU 2009]
50%
a) Variations
0%
b) Natural selection
0%
c) Survival of the fittest
50%
d) Struggle for existence
Q.18.
Parallelism is due to ... .... [ DPMT 2007]
50%
a) Adaptive divergence
50%
b) Adaptive convergence
0%
c) Adaptive convergence of unrelated species
0%
d) Adaptive convergence of closely related species
Q.19.
Finches of Galapagos provide evidence for ... ... [ CBSE 2007]
50%
a) Retrogressive evolution
0%
b) Special creation
50%
c) Biogeographical evolution
0%
d) Evolution due to mutation
Q.20.
A mutation is most likely to have selective advantage if it ... .. [ CPMT 2005]
100%
a) Affects dominant alleles
0%
b) Affects recessive alleles
0%
c) Affects whole chromosome
0%
d) Environment remains stable
Q.21.
Cyanobacteria originated on earth about ... ... [ HPPMT 2005 ]
50%
a) 4.3 - 4.8 billion years ago
50%
b) 3.3 - 3.8 billion years ago
0%
c) 2.3 - 2.8 billion years ago
0%
d) 1.3 - 1.8 billion years ago
Q.22.
Which of the following was formed in S.Miller's experiment? [ CPMT 2008]
67%
a) microspheres
0%
b) nucleic acids
33%
c) amino acids
0%
d) UV radiations
Q.23.
Famous paleontologist/ paleobotanist of India was ... .. [ Bih PMT 1995 ]
50%
a) P. Maheshwari
0%
b) S.R. Kashyap
50%
c) B. Sahni
0%
d) B.P. Pal
Q.24.
Evolution is experimentally demonstrated by ... .. [ Odisha 2011]
50%
a) rapid mutation - neo-Lamarckism
0%
b) Survival of the fittest - Wallace
50%
c) Replica plating - Lederberg
0%
d) Ancon sheep - Neo Darwinism
Q.25.
Closely related , morphologically similar, reproductively isolated sympatric populations are designed as ... .. [ CBSE 1995 ]
50%
a) Clones
0%
b) Clines
0%
c) Demes
50%
d) Sibling species
Q.26.
Origin of life occurred in ... ... [ kerala 2000 ]
50%
a) Carboniferous
0%
b) Cambrian
50%
c) Pre-cambrian
0%
d) Ordovician
Q.27.
Evolution of different species starting from a point and spreading to other areas is .. .. [ CBSE 2012]
100%
a) Adaptive radiation
0%
b) Natural selection
0%
c) Migration
0%
d) Divergent evolution
Q.28.
Formation of new species from pre-existing ones is ... .. [ JKCMEE 2002]
50%
a) Mutation
50%
b) Speciation
0%
c) Isolation
0%
d) Polyploidy
Q.29.
Assertion: Gene flow increases genetic variations Reason: Random introduction of new alleles into recipient population and their removal from donor population affect allele frequency
50%
a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion
0%
b) The Assertion and Reason are true but Reason is not correct explanation of Assertion
0%
c) Assertion is true but, Reason is false
50%
d) Assertion is false but, Reason is true
Q.30.
The animal that explains industrial melanism is ... .. [ KCET 2000 ]
50%
a) Lizard
50%
b) Peppered Moth
0%
c) Monkey
0%
d) Frog
Q.31.
Most modern breeds of domestic Dog have evolved through ... .. [ CPMT 1992 ]
50%
a) Sexual selection
50%
b) Artifical selection
0%
c) Natural selection
0%
d) Isolation
Q.32.
Evidences for evolution from fossils belong to the domain of ... ... [ JKCMEE 2002 ]
50%
a) Biogeography
0%
b) Embryology
50%
c) Palaeontology
0%
d) Anatomy
Q.33.
Study of fossils comes under ... ... [ AIIMS 1996 ]
20%
a) Organic evolution
0%
b) Paleogeography
80%
c) Palaeontology
0%
d) Herpetology
Q.34.
Industrial melanism is connected with ... .. [ DPMT 2009]
50%
a) Defense against UV radiations
50%
b) Skin darkening due to smoke
0%
c) Protective resemblance to surroundings
0%
d) Drug resistance
Q.35.
De Vries theory of mutation is ... .. [ EAMCET 1996 ]
50%
a) Opposed to natural selection theory
0%
b) Not opposed to natural selection theory
0%
c) Opposed to germplasm theory
50%
d) Opposed to Lamarck’s theory
Q.36.
Animals of cold countries have shorter ears/ extremities. This is ... ... [ JIPMER 2000]
100%
a) Allen's law
0%
b) Cope's law
0%
c) Bergmann's law
0%
d) Dollo's law
Q.37.
A high density elephant population in an area will result in ... .. [ CBSE 2007]
100%
a) Mutualism
0%
b) Predation on one another
0%
c) Interspecific competition
0%
d) Intraspecific competition
Q.38.
Wings of birds and fore-limbs of horse are ... .. [ Odisha 2008]
50%
a) Vestigial
0%
b) Analogous
50%
c) Homologous
0%
d) None of the above
Q.39.
Theory of spontaneous creation was supported by ... ... [ AFMC 2000 ]
100%
a) Van Helmont
0%
b) Redi
0%
c) Spallanzani
0%
d) Pasteur
Q.40.
Occurrence of non-beneficial alleles in heterozygous genotype is ... ..[ AMU 2011]
100%
a) Genetic load
0%
b) Genetic drift
0%
c) Gene flow
0%
d) Selection
Q.41.
Precious stones, such as gem stones, are product of ... ..[Chd. CET 2012]
100%
a) Volcanic rock
0%
b) Sedimentary rock
0%
c) Metamorphic rocks
0%
d) Igneous rocks
Q.42.
Darwin's theory is based on ... .. [ CPMT 2003 ]
100%
a) Segregation
0%
b) Independent assortment
0%
c) Quantitative inheritance
0%
d) Natural selection
Q.43.
Which one provides direct and solid evidence in favour of organic evolution through ages ... ... [ BHU 1994 ]