Biological Oxygen Demand (BOD) is a measure of the amount of dissolved oxygen needed by aerobic biological organisms to break down organic material present in a given water sample at certain temperature over a specific time period. It is a common indicator of water pollution.
What is the full form of 'BOD'?
Asked in ECONOMIC INVESTIGATOR(EO) 2019 · Topic: Subdivisions of Biology (Ecology)
More Biology questions
- Consider the following statements and select the correct answer from the codes given below : (i) The word biophilia originates from the Latin word. (ii) Biophilia means an urge to affiliate with other forms of life. (iii) Biophilia means an unreasonable fear of animals. (iv) Biophilia is the name of a recently discovered bacteria. Codes : A) (i) only B) (ii) C) (iii) D) (i) and (iv)
- Which harmful rays are absorbed by Ozone layer ?
- Which of the following is not bio-degradable? - [a] Woollen Mat - [c] Leather Bag - [b] Silver foil - [d] Jute basket
- Palaeontology is the study of:
- Fact 1 : All chickens are birds. Fact 2 : Some chickens are hens. Fact 3 : Female birds lay eggs. If the first three statements are facts, which of the following statement/(s) must also be a fact ? I. All birds lay eggs. II. Hens are birds. III. Some chickens are not hens. Choose the correct answer from the options given below :
- The study of ageing is known as
- Which is the result of damage to relative biological effectiveness?
- "Effective dose-50%" describes which one of the following?