1. Mango
2. Walnut
3. Funaria
4. Chilgoza
Chilgoza
1. The number of needles in a spur of Pinus roxburghii is three
2. Each vascular bundle in the long shoot of Pinus consists of xylem facing towards the centre of the shoot
3. Microsporophyll of Pinus bears two microsporangium
4. Pinus is a homosporous gymnosperm
Pinus is a homosporous gymnosperm
1. NO2
2. SO2
3. Hydrocarbons
4. CO2
CO2
1. Ammonia
2. Hydrogen cyanide
3. Methyl isocyanate
4. 2, 4 - D dichlorophenoxy acetic acid
Methyl isocyanate
1. 5th June
2. 6th June
3. 5th May
4. 6th August
5th June
1. Chlorine
2. Ozone
3. Chloramine
4. Phenyl
Phenyl
1. Basel convention - Biodivesity conservation
2. Kyoto Protocol - Climatic change
3. Monteal Protocol - Global warming
4. Ramsar Convention - Ground water pollution
Kyoto Protocol - Climatic change
1. Excess of arsenic concentration in driking water
2. Excess of nitrate in driking water
3. Deficiency of iron in food
4. Increased methane content in the atmosphere
Excess of nitrate in driking water
1. DDT is non - biodgradable pollutant
2. Excess fluoride in drinking waster casuses osteoporosis
3. Excess Cadmium in drinking water causes black foot disease
4. Methyl Mercury in water may cause itai - itai disease
DDT is non - biodgradable pollutant
1. Escherichia coli
2. Euglena viridis
3. Amoeba proteus
4. Paramecium caudatum
Escherichia coli