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Question-1
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-2
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-3
The smallest fundamental unit of classification is known as:
(A)
Species
(B)
Polymorphism
(C)
Selection
(D)
Genus
Question-4
The study of frequencies of genes in a population is called:
(A)
Population genetics
(B)
Genetic variation
(C)
Macrogenesis
(D)
Natural selection
Question-5
Darwin gave the biological world a master key that unlocked the previous intricacies about:
(A)
Lamarckism
(B)
Low of inheritance
(C)
Theory of Germplasm
(D)
Natural selection
Question-6
Sum total of all the genes in a population is known as:
(A)
Saltation
(B)
Macrogenesis
(C)
Gene pool
(D)
Population genetics
Question-7
Different species evolved from a single one in a process is called:
(A)
New species
(B)
Allopolyploid
(C)
Hybrid
(D)
Adaptive radiation
Question-8
“To unfold or unroll or to reveal hidden potentialities ” is otherwise called:
(A)
Diversity
(B)
Modification
(C)
Evolution
(D)
Organism
Question-9
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-10
Process of formation of new species, by the gradual transformation of pre-existing ones is known as:
(A)
Natural selection
(B)
Variations
(C)
Speciation
(D)
Lamarckism
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Cambridge Advanced Grade 12
IGCSE
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