[A] : Pila is adopted to lead an amphibious life .
[R] : It is provided with a pulmonary sac for aerial respiration and a gill or ctenidium for aquatic respiration .

Respiration by gills or pulmonary sac are present in ?

[A] : Fermentation is a wasteful process. [R]: It yields only 5% of the energy provided by aerobic respiration.

[A] : Fermentation is a wasteful process. [R]: It yields only 5% of the energy provided by aerobic respiration.

[A] : Fermentation is a wasteful process. [R]: It yields only 5% of the energy provided by aerobic respiration.

[A] : Fermentation is a wasteful process. [R]: It yields only 5% of the energy provided by aerobic respiration.

Assertion Pila has a dual mode of respiration . Reason Pila leads an amphibious life.

Providing oxygen to anaerobically respiring structures leads to

Providing oxygen to anaerobically respiring structures leads to

Frothing in Yamuna: The primary reason behind the formation of the toxic foam is high phosphate content in the wastewater because of detergents used in dyeing industries, dhobi ghats and households .Yamuna's pollution level is so bad that parts of it have been labelled 'dead' as there is no oxygen in it for aquatic life to survive. If a sample of water containing detergents is provided to you, which of the following methods will you adopt to neutralize it?