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

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

View solution

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

View solution

Q. Bioaccumulation of organic substances follows the simple empirical model of partition.

View solution

Q. In partial hypothesis, the entire organism is considered as a single compartment.

View solution

Q. Which of the following factors is responsible for chemical accumulation in the organism?

View solution

Q. Exposure of standard test batteries to a known concentration of toxicant is not an acceptable method to test bio-accumulation.

View solution