Artificial teeth minerals is used Feldspar, Macromolecule in plants and minor mineral animal is Iron

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Free Online Mock Biology Multiple Choice Test on Natural Resources

Sub Category : Natural Resources	Test : 3	Time Left :
1.Man made satellites used for communication etc. are situated in" c"
(1) Mesophere (2) Stratosphere (3) Thermosphere (4) Exosphere
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2.A salt content of upto ..... of water is safe for irrigation.
(1) 1.5 gm/lit (2) 2.5 gm/lit (3) 3.5 gm/lit (4)7.5 gm/lit
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3.Which of the following is used as emulsifier
(1) Algin (2) Agar (3) Carrageenan (4) Funoran
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4.In artificial teeth, which of the following minerals is used?
(1) Asbestos (2) Feldspar (3) Fluorspar (4) Phosphates
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5.Which is a macromolecule in plants and minor mineral in animale?
(1) Iron (2) Sulphur (3) Zinc (4) Chlorine

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Free Online Mock Biology Multiple Choice Test on Natural Resources