There is mass mortality of fishes in a pond. | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(D) The mass mortality of fishes in a pond can be attributed to several environmental factors:$(i)$ Thermal pollution: An increase in water temperatur

Vedclass · Accepted Answer

All of the above

Vedclass · Answer

(D) The mass mortality of fishes in a pond can be attributed to several environmental factors:$(i)$ Thermal pollution: An increase in water temperature reduces the concentration of dissolved oxygen,leading to suffocation.$(ii)$ Addition of poisonous compounds: Toxic substances like mercury or pesticides can cause direct poisoning of aquatic life.$(iii)$ Blockage of gills: Suspended pollutants or oil spills can physically block the gills,preventing respiration and leading to death.

There is mass mortality of fishes in a pond. What may be the reasons?

Similar Questions

Why does the moon have extreme temperature variations,ranging from $-190\,^{\circ}C$ to $110\,^{\circ}C$,even though it is at approximately the same distance from the sun as the Earth?

$(a)$ Name the two forms of oxygen found in the atmosphere.
$(b)$ Write the biotic and abiotic components of our environment.

Carbon dioxide is essential for plants. Why do we consider it a pollutant?

$(a)$ How do forests influence the following?
$(i)$ Air
$(ii)$ Soil
$(iii)$ Water
$(b)$ Is the atmosphere on Venus and Mars different from our atmosphere? How?

Biotic component of biosphere is not constituted by:

Vedclass Test Series

Exam Paper Generator

Online Exam Module