Ephermeral are xerophytes of draught escaping, Polluted air causes respiratory disorder such as Bronchitis, Emphysema, Lung cancer

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Free Online Mock Biology Multiple Choice Test on Organism and Environment

Sub Category : Organism and Environment	Test : 11	Time Left :
1.Geothermal energy is
(1) Non renewable, conventional source of energy (2) Non renewable non conventional source of energy (3) Renewable non conventional source of energy (4) Renewable conventional source of energy
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2.Exposure of plants to high fluoride concentration results in necrosis of
(1) Leaf tip and leaf margins (2) Stem tip (3) Mid rib (4) Petiole but not lamina
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3.Ephemerals are xerophytes that are
(1) Draught enduring (2) Draught escaping (3) Draught resisting (4) None
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4.The major pollutant in Ahmedabad is?
(1) Black soot (2) Cotton dust (3) Smoke (4) None
1 2 3 4
5.The polluted air causes respiratory disorder such as?
(1) Bronchitis (2) Emphysema (3) Lung cancer (4) All of these

1 2 3 4
	1 2 4 5

Free Online Mock Biology Multiple Choice Test on Organism and Environment