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Question-1
The study of frequencies of genes in a population is called:
(A)
Population genetics
(B)
Genetic variation
(C)
Macrogenesis
(D)
Natural selection
Question-2
The smallest fundamental unit of classification is known as:
(A)
Species
(B)
Polymorphism
(C)
Selection
(D)
Genus
Question-3
From generation to generation natural selection will keep the range of coloration in the insect population about the same, these type of change is called:
(A)
Directional selection
(B)
Disruptive selection
(C)
Stabilising selection
(D)
Speciation
Question-4
The theory of evolution by natural selection was put forward by:
(A)
Landmark
(B)
Charles Robert Darwin
(C)
A.Weismann
(D)
Alfred Russel
Question-5
The smallest fundamental unit of classification is known as:
(A)
Polymorphism
(B)
Natural selection
(C)
Species
(D)
Speciation
Question-6
“To unfold or unroll or to reveal hidden potentialities ” is otherwise called:
(A)
Diversity
(B)
Modification
(C)
Evolution
(D)
Organism
Question-7
The minimum two alternative forms of a gene or unit factor it represents are together called:
(A)
Chromosome
(B)
Allele
(C)
Nucleus
(D)
Gametes
Question-8
Different species evolved from a single one in a process is called:
(A)
New species
(B)
Allopolyploid
(C)
Hybrid
(D)
Adaptive radiation
Question-9
Sudden heritable changes occurring in the genetic make up or chromosomal organization of an organism.
(A)
Adaptation
(B)
Genetic change
(C)
Mutations
(D)
Evolution
Question-10
The random change in the allele frequency, occurring by chance alone, is known as:
(A)
Recombination
(B)
Gene migration
(C)
Mutation
(D)
Genetic drift
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Cambridge Advanced Grade 12
IGCSE
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