Correct answer
C. COD much higher than BOD
Explanation
The correct answer is COD much higher than BOD.
Realising the need for the conservation of National Resources, the Government of Pakistan with the assistance of the World Conservation Union (IUCN) framed a National Conservation Strategy ________.
When the number of organisms at successive levels are plotted, they assume the space of a pyramid. This is called the pyramid of:
Aleolesthes berta Solbky: (Cerambyycidae – Celeoptera) is / are:
________ mountains of Pakistan are subject to heavy soil erosion:
The soils that are fully laden with water i.e., water logged, are known are:
Dark coloured soils are considered most fertile as they contain: