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Evolution

689 Questions Start Allen Test
All Exams Allen Errorless
Q626 Allen ANALYTICAL QUESTIONS MCQ
According to Darwin, the organic evolution is due to:
A.
Reduced feeding efficiency in one species due to the presence of interfering species
B.
Intraspecific competition
C.
Interspecific competition
D.
Competition within closely related species
Q627 Allen ANALYTICAL QUESTIONS MCQ
Variation in gene frequencies within populations can occur by chance rather than by natural selection. This is referred to as:
A.
Genetic load
B.
Genetic flow
C.
Genetic drift
D.
Random mating
Q628 Errorless ORIGIN OF LIFE MCQ
Which of the following was most likely to have been absent in free form in the primordial atmosphere at the time of origin of life
A.
$O _ { 2 }$
B.
$C H _ { 4 }$
C.
$H _ { 2 }$
D.
$N H _ { 3 }$
Q629 Errorless ORIGIN OF LIFE MCQ
The complex organic compounds that may have first evolved in the direction of origin of life on earth, may have been
A.
Proteins and amino acids
B.
Proteins and nucleic acids
C.
Urea and nucleic acids
D.
Urea and amino acids
Q630 Errorless ORIGIN OF LIFE MCQ
In his classic experiment on the formation of amino acids, Stanley Miller passed an electric discharge in a mixture of
A.
$C H _ { 4 } , H _ { 2 }$, $N H _ { 3 }$
B.
$C H _ { 4 } , C O _ { 2 } , O _ { 2 }$ and $H _ { 2 }$
C.
$N H _ { 3 } , O _ { 2 } , H _ { 2 }$ and steam
D.
$C H _ { 4 } , H _ { 2 } , N _ { 2 }$ and steam
Q631 Errorless ORIGIN OF LIFE MCQ
It is believed that the organisms first inhabited earth's surface were [NCERT]
A.
Heterotrophic or holozoic
B.
Heterophytic or holophytic
C.
Saprophytic
D.
Saprozoic
Q632 Errorless ORIGIN OF LIFE MCQ
There is no life on moon because there is no [NCERT]
A.
Carbon
B.
Nitrogen
C.
Water
D.
Silicates
Q633 Errorless ORIGIN OF LIFE MCQ
According to available evidence life evolved through the process of
A.
Abiogenesis
B.
Biogenesis
C.
Special creation
D.
Spontaneous generation
Q634 Errorless ORIGIN OF LIFE MCQ
The abiogenesis occurred about how many billion years ago?
A.
1.2 billion
B.
1.5 billion
C.
2.5 billion
D.
3.5 billion
Q635 Errorless Organic Evolution and Speciation MCQ
The most accepted and recent theory of organic evolution [NCERT]
A.
Natural selection theory
B.
Phase theory
C.
Synthetic theory
D.
Mutation theory
Q636 Errorless Organic Evolution and Speciation MCQ
Evolution means [NCERT; MP PMT 19
A.
History of race
B.
Development of race
C.
History and development of race with variations
D.
Progressive development of the race
Q637 Errorless Evidences of Evolution MCQ
Homologous organs explain
A.
Convergent evolution
B.
Divergent evolution
C.
Pedogenesis
D.
Prodagility
Q638 Errorless Evidences of Evolution MCQ
Man evolved in
A.
Triassic period
B.
Jurassic
C.
Permian period
D.
Pliocene
Q639 Errorless Evidences of Evolution MCQ
The given figure shows an example of
A.
Divergent evolution
B.
Recapitulation
C.
Parallel evolution
D.
Convergent evolution
Q640 Errorless Evidences of Evolution MCQ
The following structures shows that [NCERT Pg. No. 115]
A.
They have nothing to do with each other
B.
They are analogous
C.
They are vestigial structures
D.
They are homologous
Q641 Errorless Evidences of Evolution MCQ
The rocks that contain fossil are Or The fossils are preserved in
A.
Metamorphic rocks
B.
Igneous rocks
C.
Sedimentary rocks
D.
All the above
Q642 Errorless Evidences of Evolution MCQ
Analogous organs have arisen in the evolutionary process through
A.
Recombination
B.
Mutation
C.
Hybridisation
D.
Adaptation
Q643 Errorless Evidences of Evolution MCQ
The field in which zoology and geology are very intimately connected, is Or Existence of coal / petroleum can be known from the study of [NCERT]
A.
Herpatology
B.
Cytology
C.
Palaeontology
D.
Organic evolution
Q644 Errorless Lamarckism MCQ
Germplasm theory against Lamarck's principle, was given by
A.
Weismann
B.
Darwin
C.
Lamarck
D.
Hugo de Vries
Q645 Errorless Darwinism MCQ
A scientist who gave a theory very similar to that given by Darwin was [NCERT Pg. No. 113] Or Co-worker of Darwin was
A.
Malthus
B.
Wallace
C.
Goldstein
D.
Mendel
Q646 Errorless Darwinism MCQ
Match the scientists and their contributions in the field of evolution
Column-IColumn-II
(A)Charles Darwin
(B)Lamarck
(C)Hugo de Vries
(D)Ernst Haeckel
(E)August Weismann
(P)Mutation theory
(Q)Germ plasm theory
(R)Philosophie Zoologique
(S)The Origin of Species
(T)Biogenetic law
(U) Essay on population
A.
A-S, B-R, C-P, D-T, E-Q
B.
A-S, B-R, C-T, D-P, E-U
C.
A-S, B-S, C-T, D-R, E-P
D.
A-Q, B-R, C-P, D-T, E-Q
E.
A-R, B-S, C-P, D-T, E-Q
Q647 Errorless Darwinism MCQ
In forming the theory of evolution by natural selection, Darwin was greatly influenced by
A.
Mutations of Hugo de Vries
B.
Malthus idea of population control
C.
Environmental factors
D.
Lamarck acquired characters
Q648 Errorless Darwinism MCQ
In which case Darwin theory is wrong
A.
Arrival of the fittest
B.
Survival of the fittest
C.
Origin of species
D.
High efficiency of reproduction
Q649 Errorless Darwinism MCQ
What is the most important factor for the success of animal population
A.
Natality
B.
Unlimited food
C.
Adaptability
D.
Interspecies activity
Q650 Errorless Darwinism MCQ
The classical example of adaptive radiation in development of new species is
A.
Darwin finches
B.
Marsupials of Australia
C.
Giant turtle
D.
All of these