CBSE Class 10 Answered
1. What are the factors needed for maintaining the direction of diffusion in plants?
2. Differentiate between
1. Ectoparasite & Endoparasite
2. Absorption & Assimilation.
Asked by Aravindh Ramesh | 10 May, 2014, 03:37: PM
Expert Answer
1.The direction of diffusion in plants depends upon the concentration gradient of the ion for a particular substance and the membrane potential.
2. (i) Ectoparasites live on the body of the host whereas endoparasites live inside the body of the host.
(ii) The respiration in ectoparasites is aerobic whereas in endoparasites, respiration is anaerobic.
(iii) Example of ectoparasites are louse, ticks but the examples of endoparasites are malarial parasite, Ascaris.
3. (i) Absorption is taking simple molecules, which were produced as a result of digestion into the body from the intestinal cavity whereas assimilation is making new compounds from the absorbed molecules, which are necessary to produce energy.
(ii)Absorption takes place in small intestine whereas assimilation is taking place in the liver or any other cell.
Answered by Sivanand Patnaik | 11 May, 2014, 08:47: AM
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