Depending upon the amount of net primary productivity the various ecosystems can be arranged in a decreasing sequence of yield.
Answer: Tropical rain forest – Tropical seasonal forest – Woodland and Shrubland–Temperate Grassland.
Raunkiaer’s normal biological spectrum for phanerogamic flora of the world exhibits one of the following
sequence of occurrence (%) of different life forms.
Answer: Phanerophytes,Hemicryptophytes, Therophytes,Chaemophytes, Cryptophytes
One of the following categories of earthworms is most suitable for wasteland reclamation.
How many mega-bio-diverse countries have been identified in the world ?
Which one of the following is an Ex-situ method of biodiversity conservation ?
Which one of the following is a methyl isocyanate (MIC) based pesticide ?
The sequence of fossil fuels in the order of higher to lower heating value is as follows :
Answer: Hydrogen,Natural Gas, Petroleum, Coal.
Natural ore of radioactive materials does not contain which one of the following isotope ?
The process of splitting bigger hydro-carbon into smaller hydrocarbon molecules is called
Which one of the following is a complex in organic fertilizer ?
Average composition of biodegradable waste in Municipal Solid Waste(MSW) of India is
The treatment method recommended for the human anatomical waste generated from hospitals is
Which of the following is true when frequency of occurrence of risk is remote but possible ?
Answer: Risk is acceptable.
An earthquake measuring over 8 on Richter Scale is rated as
In a false – color set, human visual perception is limited to how many independent coordinates ?