1.  Mango

2.  Walnut

3.  Funaria

4.  Chilgoza

4
Correct Answer :

Chilgoza


Explanation :
No Explanation available for this question

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

4
Correct Answer :

Pinus is a homosporous gymnosperm


Explanation :
No Explanation available for this question

1.  NO2

2.  SO2

3.  Hydrocarbons

4.  CO2

4
Correct Answer :

CO2


Explanation :
No Explanation available for this question

1.  Ammonia

2.  Hydrogen cyanide

3.  Methyl isocyanate

4.  2, 4 - D dichlorophenoxy acetic acid

4
Correct Answer :

Methyl isocyanate


Explanation :
No Explanation available for this question

1.  5th June

2.  6th June

3.  5th May

4.  6th August

4
Correct Answer :

5th June


Explanation :
No Explanation available for this question

1.  Chlorine

2.  Ozone

3.  Chloramine

4.  Phenyl

4
Correct Answer :

Phenyl


Explanation :
No Explanation available for this question

1.  Basel convention - Biodivesity conservation

2.  Kyoto Protocol - Climatic change

3.  Monteal Protocol - Global warming

4.  Ramsar Convention - Ground water pollution

4
Correct Answer :

Kyoto Protocol - Climatic change


Explanation :
No Explanation available for this question

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

4
Correct Answer :

Excess of nitrate in driking water


Explanation :
No Explanation available for this question

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

4
Correct Answer :

DDT is non - biodgradable pollutant


Explanation :
No Explanation available for this question

1.  Escherichia coli

2.  Euglena viridis

3.  Amoeba proteus

4.  Paramecium caudatum

4
Correct Answer :

Escherichia coli


Explanation :
No Explanation available for this question

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