MCQ
Rarely observed phenotype in population is called as:
- AWild type
- BMutant type
- CVariant type
- DAll of the above
Explanation:
A mutant is an organism or a new genetic character arising or resulting from an instance of mutation, which is a base pair sequence change within the DNA of a gene or chromosome of an organism.The natural occurrence of genetic mutations in integral to the process of evolution.The study of mutants is an integral part of Biology; by understanding the effect that a mutation in a gene has, it is possible to establish the normal function of that gene.The term 'wild type' refers to a strain, organism or gene that is predominant in the wild population
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$(1)$ Decomposition is largely an oxygen -requiring process.
$(2)$ Warm and moist environment slow down decomposition process.
$(3)$ Decomposition rate is slower if detritus is rich in lignin and chitin
$(4)$ Humus is colloidal in nature it serves as are servoir of nutrients.
$(i)$ The gynoecium represents the female reproductive part of the flower
$(ii)$ Ovule is located in Anther
$(iii)$ Each pistil has three parts the stigma, style, and ovary
$(iv)$ The upper most part of gynoecium is Anther