1. Soil structure
2. Crystalloids
3. Organic colloids
4. None of the above
Organic colloids
1. population explosion
2. migration
3. biodiversity loss
4. pollution
biodiversity loss
1. endangered species
2. extinct species
3. vulnerable species
4. conservation dependent species
vulnerable species
1. large number of automobiles
2. large number of factories
3. supersonic jets
4. chimeny exhausts
supersonic jets
1. Cinchona and Leopard
2. Banjan and Black buck
3. Bentinckia nicobarica and Red Panda
4. Tamarind and Rhesus monkey
Bentinckia nicobarica and Red Panda
1. 1994
2. 1993
3. 1992
4. 1983
1994
1. DBCP
2. PCB
3. Formaldehyde
4. Mercury
PCB
1. Rice Research Institute, Cuttack
2. CSIR, New Delhi
3. Punjab Agriculture University, Lundhiana
4. The International Rice Research Institute in Philippines
The International Rice Research Institute in Philippines
1. can live upto this concentration
2. will die if concentration is lower than this
3. can tolerate ten times more concentration of DDT than 102ppm
4. cannot tolerate DDT at all
can live upto this concentration
1. quality of environment
2. quantity of environment
3. quality of monitor
4. pure air
quality of environment