Evolution MCQs | Evolution Multiple Choice Questions (MCQs) and Answers

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Questions
1 In which condition gene ratio remains constant in a species?
A gene flow
B mutation
C random mating
D sexual selection

Answer:random mating
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

Answer: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

Answer:Lamarck
12 Which of these is not a living fossil?
A Archaeopteryx
B Duck-billed platypus
C Lungfish
D Frog

Answer: Archaeopteryx
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

Answer: Weismann
15 Human being belongs to the species of
A Homo erectus
B Homo habillis
C Homo sapiens
D Hominidae

Answer:Homo sapiens
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

Answer:fossils
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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