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06.04.2020.
Тест. Биология, Прочее
Тест по изменчивости на английском языке для студентов
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Список вопросов теста
Вопрос 1
Which of the given factorsis mutagenic:
Варианты ответов
- thermal radiation
- metabolic products of fatty acids
- metabolic products of ethyl alcohol
- artificial vitamins
Вопрос 2
Parentswithnormalkaryotypegavebirthtoagirl, inwhosediploidcells 3 X-chromosomeswerefound. Which form of variability do these changes are referred to?
Варианты ответов
- combinative
- modification
- mutational
- accidental phenotypical
Вопрос 3
Identify the description of somatic mutation
Варианты ответов
- is transferred to the following generation in sexual reproduction
- often serves as the reason for development of malignant mutations
- happens in gametes or precursor cells of gametes
- does not cause «mosaicity of the organism»
Вопрос 4
Identify the mutation which involves the largest amount of genetic material
Варианты ответов
- point substitution of a nucleotide
- polyploidy
- trisomy
- deletion of a triplet
Вопрос 5
Identify the feature with the widest norm of a reaction
Варианты ответов
- the amount of heart beats per minute
- chemical composition of hemoglobin molecules
- рН of blood
- body temperature
Вопрос 6
Which is inherited by the offspring?
Варианты ответов
- norm of organism indices
- norm of a reaction to external conditions
- norm of a reaction to external irritants
- wide norm of a reaction
Вопрос 7
phenocopies are:
Варианты ответов
- modifications within the genotype
- morphoses, similar to mutations
- all thesections of the variation series
- irreversible morphoses
Вопрос 8
Morphoses:
Варианты ответов
- are irreversible
- are most time irreversible
- are always reversible
- can be equally reversible and irreversible
Вопрос 9
Identify the mutation with the least amount of genetic material, involved in it
Варианты ответов
- insertion of a virus DNA into a chromosome
- deletion of a triplet
- point substitution of a nucleotide
- polyploidy
Вопрос 10
Age modification is:
Варианты ответов
- winter shedding of moose
- reaching the stage of puberty
- increase in the body mass due to training
- formation of pigmentation spots on skin
Вопрос 11
Identify the feature with the narrowest norm of a reaction
Варианты ответов
- chemical composition of hemoglobin
- arterial pressure
- amount of heart beats per minute
- рН of blood
Вопрос 12
The exampleof nonheritable variability is:
Варианты ответов
- determinate variation
- determinate mutation
- combinative variability
- combination of genes in fertilization
Вопрос 13
deletionis:
Варианты ответов
- loss of the terminal part of a chromosome
- destruction of the middle part of a chromosome
- duplication of a fragment of a chromosome
- shift of a fragment of a chromosome
Вопрос 14
Which mutations are found more often?
Варианты ответов
- point
- сhromosomal
- genome
- cytoplasmic
Вопрос 15
Choose the correct statement
Варианты ответов
- the gene of daltonism is located in theУ-chromosome of a human
- colchicine refers to physical factors of mutagenesis
- inherent to all the living organisms
- the gene of albinism is linked with the Х-chromosome
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