Q. The solubility of the toxicant through the membrane is dependent on the strength of the bonds.

View solution

Q. Lipophilic compounds can enter the tissues of terrestrial plants through ___________

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

Q. Metabolically active organisms accumulate more amount of toxicant.

View solution