Which of the following are somatogenic variations ?
A.Wrestler’s muscles
B.Small feet of Chinese women
C.Circumcised penis of Muslims
D.All of these
Category: Variations and Mutations Mcqs
In bacteria the mutations can be induced by:
A.Exposure of organisms to high energy radiations
B.Growing different strains in the same medium
C.Adding all the required substances in nutrient medium
D.Starving the bacteria
Variations are:
A.All the dissimilarities of environmental conditions
B.All the dissimilarities
C.All the dissimilarities between environmental conditions and animals
D.None of these
One cannot induce a specific gene to mutate as:
A.Genes are located on chromosomes
B.Genes are very small and not visible through compound microscopes
C.It will be a very expressive process
D.Scientists have yet not found any method and have not been able to do so.
All somatogenic variations are:
A.Heritable
B.Often non-heritable
C.Always non-heritable
D.Partially heritable
There would have been no organic evolution if:
A.The individuals did not transmit acquired characters to their offsprings
B.Individuals in a population did not show gene variation
C.Somatic variations did not get inherited
D.Somatic variations did not get transformed into genetic variations
Somatogenic variations are dissimilarities which:
A.Confine to ‘soma’ only and are heritable
B.Confine to ‘germ’ and are inheritable
C.Confine to ‘soma’ only and are inheritable
D.Confine both to ‘soma’ and ‘germ’ and are often heritable and often non-heritable
Sudden changes in characteristics of organism due to chemical changes in their genetic materials are called:
A.Variations
B.Mutations
C.Both (a) & (b)
D.None of these
Concept of a sudden genetic change which breeds true in an organism is visualized:
A.Independent assortment
B.Variation
C.Mutation
D.Natural selection
A sudden heritable change is called:
A.Mutation
B.Seggregation
C.Variation
D.None of these
