A very important factor in evolution of new species is ... .. [ RPMT 1998 ]
33%
a) Extensive inbreeding
44%
b) Extensive outbreeding
22%
c) Reproductive isolation
0%
d) Immigration
Q.3.
Fossils are studied for ... .. [ CET Chd. 2000 ]
56%
a) Tracing evolutionary history of organisms
33%
b) Studying extinct organisms
11%
c) Filling gaps in our study
0%
d) Providing jobs to scientists
Q.4.
Which are immortal? ... .. [ BHU 1997 ]
44%
a) Germ cells
33%
b) Somatic cells
11%
c) Pituitary cells
11%
d) Glomerular cells
Q.5.
The first organisms were ... ... [ BHU 2007 ]
33%
a) Chemoautotrophs
33%
b) Chemoheterotroph
22%
c) Autotrophs
11%
d) Eukaryotes
Q.6.
Heart of four chambered in ... ... [ AMU 2000 ]
22%
a) Amphibian
22%
b) Fishes
56%
c) Mammals
0%
d) Reptiles
Q.7.
A living connecting link which provides evidances for organic evolution ... ... [ MPPMT 2000 ]
56%
a) Archeopteryx between reptiles and mammals
0%
b) Lung fish between pisces and reptiles
44%
c) Duck bill Platypus between reptiles
0%
d) Sphenodon between reptiles and birds
Q.8.
Dinosaurs were present during the ... ... [ JKCMEE 2005 ]
25%
a) palaeozoic era
12%
b) Cenozoic era
62%
c) mesozoic era
0%
d) precambrian era
Q.9.
Inheritance of acquired characters comes under ... .. [ Odisha 2005]
50%
a) Darwinism
0%
b) Neo Darwinism
50%
c) Lamarckism
0%
d) Neo Lamarckism
Q.10.
Assertion: The earliest organisms that appeared on earth were nongreen and presumably anaerobes. Reason: The first autotrophic organisms were the chemoautotrophs that never released oxygen
40%
a) If both the assertion and reason are true and reason explains the assertion.
0%
b) If both the assertion and reason are true but reason does not explain the assertion.
60%
c) If assertion is true but reason is false
0%
d) If assertion is false but reason is true.
Q.11.
Connecting link between annelida and mollusca is ... .. [ BHU 2007 ]
33%
a) Nautilus
50%
b) Neopilina
0%
c) Glochidium larva
17%
d) Veliger larva
Q.12.
Which one is correct ... ... [ CBSE 2007]
33%
a) There is no evidence of presence of gills in mammalian embryos
67%
b) Ontogeny repeats phylogeny
0%
c) All plant and animal cells are totipotent
0%
d) Stem cells are specialized cells
Q.13.
Dinosaurs were dominant features during the period of ... ... [ JKCMEE 2002 ]
100%
a) Jurassic
0%
b) Cretaceous
0%
c) Triassic
0%
d) Palaeocene
Q.14.
Individuals of a species which occur in a particular area constitute .. .. [ BHU 1998 ]
50%
a) Flora
0%
b) Fauna
50%
c) Community
0%
d) Population
Q.15.
"Every cell of the body contributes gemmules to the germ cells and so share in the transmission of inheritances" This theory is known as ... ... [ KCET 2003 ]
67%
a) theory of inheritance of acquired characteristic
0%
b) Theory of germplasm
33%
c) Theory of pangenesis
0%
d) Theory of mutation
Q.16.
Presence of NaCl in body fluid indicates that life originated in .... ... [ MPPMT 1998 ]
100%
a) Primitive ocean
0%
b) Rain water lakes
0%
c) Salt solution
0%
d) All the above
Q.17.
Which is a pair of vestigial organs? ... ... [ AIIMS 2002 ]
67%
a) Coccyx and intercostal muscles
33%
b) Coccyx and auricular muscles
0%
c) Facial hairs in ladies
0%
d) Coccyx and premolars
Q.18.
Organic evolution is change in ... ... [ AMU 2000 ]
67%
a) Single individual
0%
b) A few members of population
33%
c) Major portion of population
0%
d) Entire population
Q.19.
Evolution will not occur if ... .. [ CPMT 1994 ]
67%
a) There is no environmental influence
0%
b) Genes are without effect
0%
c) Somatic variation are not heritable
33%
d) There is no genetic variations in individua;s of a populations
Q.20.
Rule of embryonic development was given by ... ... [ CPMT 1996 ]
67%
a) Von baer
33%
b) Haeckel
0%
c) Mendel
0%
d) Darwin
Q.21.
Chance elimination of alleles from a small population is an example of ... .. [ CPMT 2004]
67%
a) Adaptation
33%
b) Genetic drift
0%
c) Speciation
0%
d) Selection pressure
Q.22.
Fossilised faecal material are known as .. .. [ JKCMEE 2011]
100%
a) Coprolites
0%
b) Compressions
0%
c) Moulds
0%
d) Casts
Q.23.
Organic compound evolved on earth and required for origin of life were ... .. [ RPMT 2011]
100%
a) Protein and nucleic acids
0%
b) Urea and amino acid
0%
c) Proteins and amino acids
0%
d) Urea and nucleic acids
Q.24.
Fossil remains of Archaeopteryx indicates that ... ... [ BHU 1994 ]
67%
a) It was a flying reptile from Triassic
0%
b) It was a flying reptile from Permian
0%
c) Reptiles gace rise to birds during Permian
33%
d) Reptiles gave rise to birds during Jurassic
Q.25.
Mass extinction at the end of mesozoic era was probably caused by .. ... [ DPMT 2009]
100%
a) Continental drift
0%
b) Massive glaciation
0%
c) Collision of earth with large meteorite
0%
d) Change in earth's orbit
Q.26.
Which was not present freely in the early atmosphere of earth? ... .. [ AFMC 2008 ]
67%
a) Water
0%
b) Carbon monoxide
0%
c) Hydrogen
33%
d) Oxygen
Q.27.
A vestigial organ in humans is ... ... [ JKCMEE 2008]
67%
a) Ear pinna
33%
b) Nictitating membrane
0%
c) Mammary glands in males
0%
d) Knee bone
Q.28.
Gene frequency in a population remains stable unless and until there is .. ... [ BHU 1997]
67%
a) Random drift
0%
b) Random mating
0%
c) Selection
33%
d) Mutation
Q.29.
Speciation in geographically separated region is ... ... [ AFMC 2002]
67%
a) Sibling
0%
b) Geopetric
0%
c) Sympatric
33%
d) Allopatric
Q.30.
Transfer of genes from one gene pool to another is ... .. [ KCET 2001 ]
67%
a) Genetic drift
33%
b) Gene flow
0%
c) Speciation
0%
d) Mutation
Q.31.
What is correct arrangement of periods of palaeozoic era in ascending order in geological time scale?
Which is vestigial structure in man ... [ Chd CET 2012 ]
33%
a) Caecum
33%
b) Pinna of ear
33%
c) Wisdom tooth
0%
d) Muscles of glottis
Q.33.
Inclusive fitness theory was proposed by ... ... [ DPMT 2005 ]
67%
a) Hamilton
33%
b) Wilson
0%
c) William
0%
d) Dangeard
Q.34.
Gene pool of a population tends to remain stable if the population is large, without large scale mutation, without migration and with ... .. [ BHU 2000 ]
100%
a) Random mating
0%
b) Moderate environmental change
0%
c) Nature selection
0%
d) Reduction in predators
Q.35.
Age of fossils was previously determined by radioactive elements. more precise recent method which has led to revision of evolutionary period is ... ... [ AIIMS 2007]
67%
a) Study of carbohydrate and protein in fossils
0%
b) Study of conditions of fossilization
33%
c) Electron spin resonance and fossil DNA
0%
d) Presence of carbohydrate and protein in rocks
Q.36.
First photosynthetic organism to appear on earth were ... .. [ C.E.T. Chd 1997 ]
67%
a) Bacteria
0%
b) Green algae
33%
c) Cyanobacteria
0%
d) Bryophytes
Q.37.
Birbal Sahni Institute of Palaeobotany is located in ... ... [ BHU 2002 ]
100%
a) Lucknow
0%
b) Delhi
0%
c) Culcutta
0%
d) Jodhpur
Q.38.
Who is not related to organic evolution? ... .. [ MPPMT 1998 ]
67%
a) T.R. Malthus
0%
b) Erasmus Darwin
33%
c) Darlington
0%
d) Charles Darwin
Q.39.
Which is incorrect about protobionts in abiogenic of life? ... .. [ CBSE 2008 ]
67%
a) They were partially isolated from surroundings
0%
b) They could maintains an internal environment.
33%
c) They were able to reproduce.
0%
d) They could separate combination of molecules from the surroundings.
Q.40.
The oldest fossil record of blue green alga is 2.9 billion years old. It is ... .. [ Pb PMT 2005 ]
100%
a) Stromatolites
0%
b) Archaeopteryx
0%
c) Archaeospheroides
0%
d) Chlamydomonas
Q.41.
A compound important in prebiotic evolution was ... ... [ AIIMS 1997 ]
33%
a) SO2
67%
b) CH4
0%
c) SO3
0%
d) NO
Q.42.
Hugo de Vries worked on the plant ... .. [ BHU 1989]
33%
a) Garden Pea/ Pisum sativum
33%
b) Sweat Pea / Lathyrus odoratus
0%
c) Primula sinensis
33%
d) Evening Primrose / Oenothera lamarckiana
Q.43.
Vestiges of girdles are found in ... .. [ AMU 2010]
33%
a) Rattle snakes
33%
b) Krait
0%
c) Cobra
33%
d) Python
Q.44.
Homologous organs are ... .. [ CBSE 2002 ]
33%
a) Wings of insects and Bat
33%
b) Gills of Fish and lungs of Rabbit
33%
c) Pectoral fins of Fish and fore limbs of Horse
0%
d) Wings of Grasshopper and Crow
Q.45.
Wings of bat/bird and insect show ... .. [ MPPMT 1998 ]
67%
a) Analogy
33%
b) Homology
0%
c) Connecting link
0%
d) Atavism
Q.46.
Which one does not favour Lamarckian concept of inheritance of acquired characters? ... .. [ AIIMS 2011]
67%
a) Lack of pigment in cave dwellers
0%
b) Absence of limbs in snakes
0%
c) Presence of webbed toes in aquatic birds
33%
d) Melanisation of Peppered Moth in industrial areas
Q.47.
Jurassic period belongs to era ... ... [ kerala 2001 ]
33%
a) Palaeozoic
67%
b) Mesozoic
0%
c) Cenozoic
0%
d) Proterozoic
Q.48.
Which is the most important for origin of life? ... ... [ AFMC 1998 ]
67%
a) Oxygen
33%
b) Water
0%
c) Nitrogen
0%
d) Carbon
Q.49.
As per Allen's rule, mammals of cold regions conserve body heat through ... .. [ AMU 2009]
100%
a) Larger body mass
0%
b) Small body mass
0%
c) Longer extremities
0%
d) Smaller extremities
Q.50.
Fossils of organisms found in South America resemble most of the fossils in ... ... [ Odisha 2004]
100%
a) North America
0%
b) Australia
0%
c) South Africa
0%
d) Both B and C
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