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InterviewSolution
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Briefly explain the following terms : (i) Destarched plant (ii) Phenotype (iii) Death rate (iv) Power of accommodation of the eye. (v) Natural immunity |
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Answer» (i) Destarched Plant: A plant from the leaves of which starch has been removed. This can be done by placing the plant in the dark for 24 to 48 hours. (ii) Phenotype: The expressed character whieh Is genetically controlled. Example : Tall pea plants (genotype TT or Tt), dwarf pea plant (genotype tt). So this expressed tallness or dwarfness is called as phenotype. (iii) Death Rate: This is also called as mortality It is the number of death per 1000 of population per year. (iv) Power of Accommodation of the eye: The process of focussing the eye at different distances is called as power of accommodation of the eye. (v) Natural Immunity: This is also called as native or innate immunity. This immunity is by virtue of genetic constitutional make up Tt is there in the body without any external stimulation of a previous infection. |
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