Q.31)-Which one of the following is an indicator of air pollution
- Cycas
- Algae
- Bryophytes
- Lichens
Q.32)-Which of the following item is not included in Environmental Auditing
- Pollution monitoring schemes
- Scrutiny by the government agencies
- Safety provisions for industrial workers
- Storage of toxic chemcicals
Q.33)-Which of the following does not cause pollution
- Burning of petrol
- use of solar energy
- Burning of rubber
- All of the above
Q.34)-Environmental pollution can be controlled by
- Checking atomic blasts
- Manufacturing electric vehicles
- Sewage treatement
- All of the above
Q.35)-Carbon Monoxide posoning can be cured by
- Exposing the affected person to fresh oxygen
- Eating butter
- Drinking lemon water
- Consuming multi-vitamin tablet
Q.36)-The total number of biosphere reserves present in India are
- 11
- 18
- 15
- 12
Q.37)-Which of the following weed has been found useful to check water pollution caused by industrial effluents
- Parthenium
- Elephant grass
- Water hyacinth
- Both a and b
Q.38)-Biodegradable wasters can usually be converted into useful substances with the help of
- Nuclear proteins
- Radio-Active substances
- Virsus
- Bacteria
Q.39)-During winter season dormancy period of animals is called
- Aestivation
- hibernation
- Regeneration
- Mutation
Q.40)-Greater population can be supported on the Earth only if we eat more
- Mutton
- Eggs
- Plant Products
- Beef