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Free download in PDF Evolution Multiple Choice Questions (MCQs) and Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams like NEET, AIIMS, JIPMER etc. These short solved questions or quizzes are provided by Gkseries./p>
(1)
In which condition gene ratio remains constant in a species?
[A]
gene flow
[B]
mutation
[C]
random mating
[D]
sexual selection
(2)
Lamarck theory of organic evolution is usually known as
[A]
Natural selection
[B]
Inheritance of acquired characters
[C]
Descent with change
[D]
continuity of fermplasm
Answer: Inheritance of acquired characters
(3)
Which one is used for knowing whether or not a population is evolving?
[A]
Degree of evolution
[B]
Genetic drift
[C]
Proportion between acquired variations
[D]
Hardy Weinberg equation
Answer: Hardy Weinberg equation
(4)
Balancing selection is concerned with successful reproduction of
[A]
Homozygous recessives
[B]
homozygous indivduals
[C]
heterozygous individuals
[D]
None
Answer: heterozygous individuals
(5)
Alternative forms of a gene are called
[A]
loci
[B]
multiples
[C]
Chromosomes
[D]
Alleles
(6)
Heredity or inheritance of specific traits became clearer due to
[A]
Lamarck's theory
[B]
Mendel worked on garden peas
[C]
Darwinism
[D]
Neo-Darwinism
Answer: Mendel worked on garden peas
(7)
Which of the following sentences is true about the evolutionary process?
[A]
There is no real 'progress' in the idea of evolution.
[B]
humans are unique, a totally new type of organism.
[C]
progress is nature's religion.
[D]
Evolution of life forms was rapid in the beginning ages.
Answer: There is no real 'progress' in the idea of evolution.
(8)
Microevolution takes place due to
[A]
somatogenic variation
[B]
blastogenic variation
[C]
continuous variation
[D]
Successive variation
Answer: blastogenic variation
(9)
The difference between Homo sapiens and the Homo erectus was
[A]
Homo sapiens originated in Africa while Homo erectus was in Asia
[B]
Homo erectus were much smaller in size than homo sapiens.
[C]
Homo erectus stayed in Africa while Homo sapiens did not.
[D]
The size of their brain of Homo eructus was smaller to homo sapiens
Answer: The size of their brain of Homo eructus was smaller to homo sapiens
(10)
By studying analogous structures we look for
[A]
similarities in appearance and function but different in structure.
[B]
similarities in appearance but differences in functions.
[C]
Similarities in organ structure.
[D]
Similarities in cell make up.
Answer: similarities in appearance and function but different in structure.
(11)
........ was a predecessor of Darwin and he developed the theory of acquired characteristics.
[A]
Weismann
[B]
Mendel
[C]
Malthus
[D]
Lamarck
(12)
Which of these is not a living fossil?
[A]
Archaeopteryx
[B]
Duck-billed platypus
[C]
Lungfish
[D]
Frog
(13)
Which of the following are not the examples of analogous structures?
[A]
Wings of bat and butterfly.
[B]
Wings of bat and forelimb of cattle.
[C]
Thorn and spine.
[D]
Tendril of Lathyrus and tendril of Gloriossa.
Answer: Wings of bat and forelimb of cattle.
(14)
The scientist who cut off the tails of mice of successive generations to prove Lamarck's theory was wrong was
[A]
Weismann
[B]
Haeckel
[C]
Darwin
[D]
Wallace
(15)
Human being belongs to the species of
[A]
Homo erectus
[B]
Homo habillis
[C]
Homo sapiens
[D]
Hominidae
(16)
Links between organisms that show branching pattern of evolutionary relationships are shown by
[A]
living fossils
[B]
comparative embryology
[C]
phylogenetic trees
[D]
two fossil layers
Answer: phylogenetic trees
(17)
Speciation is the evolutionary process by which
[A]
a new gene pool is formed
[B]
evolutionary paths of species converge
[C]
hybrid species formed
[D]
Shows up differences in physical traits
Answer: a new gene pool is formed
(18)
Evidences of evolutionary relationships is found in
[A]
atmosphere
[B]
fossils
[C]
ocean beds
[D]
rocks
(19)
Which of the following is not a source of variation in a population?
[A]
Inherited genetic differences
[B]
Differences due to health
[C]
Differences due to age
[D]
None of the above
Answer: None of the above
(20)
Which of the following examples of variation is not important from an evolutionary standpoint?
[A]
Genetic differences between individual organisms comprising the population
[B]
Inherited differences between individual organisms comprising the population
[C]
Differences due to diet, health, age or accident that have no affect on an individual's ability to survive and reproduce
[D]
A and B
Answer: Differences due to diet, health, age or accident that have no affect on an individual's ability to survive and reproduce
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