Q. Bio accumulation through roots gets absorbed in the root hair zone.

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Q. Aquatic algae ingest metals by formation of coordination complexes.

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Q. Which of the following phases doesn’t lead to bio accumulation in aquatic organism?

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Q. The initial phase of uptake of toxicant is very fast.

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Q. The toxicant accumulation can occur by direct absorption from the medium and ________

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Q. In young organism, steady state can be achieved very fast.

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Q. The time to reach half of the concentration of the toxicant is a function of environmental concentration and _______________

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Q. Which of the following factor doesn’t influence the rate of Bioaccumulation by food?

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Q. At plateau of bio accumulation, rate of uptake is equal to rate of elimination.

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Q. Sometimes organism metabolizes the accumulated toxicant to facilitate its own growth.

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Q. What does ∆t depicts in the given formula: C = Cₘₐₓ Δt/B + Δt?

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Q. Upon which of the following factors the accumulation kinetics depend?

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Q. Beyond a certain concentration range the accumulation kinetics is not altered.

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Q. Which of the environmental condition is not favorable of the toxicant accumulation?

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Q. The soil humic substances make complexes with metal ions adversely affecting _______________

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Q. Which of the following factors can influence the physio chemistry of membrane lipids, hence, affecting the rate of Bio accumulation?

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Q. Elimination of one species affects the energy transfer in the biota.

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Q. Metabolically active organisms accumulate more amount of toxicant.

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Q. Sometimes bio accumulation depends upon the tissue organization and composition.

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Q. The organs with high lipid content can accumulate more number of lipophilic toxicant, like in __________

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