Kidney of vertebrates resembles with contractile vacuole of protozoan in
1). Expelling out glucose
2). Expelling out urea and uric acid
3). Expel1ing out excess of water
4). Expelling out salts
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1. The major constituent of gobar gas is
2. Glycol is added to aviation gasoline because it
3. Convert 104°F into Degree Celsius,
4. Ureotelic animals are those that eliminate the nitrogenous wastes predominantly in the form of
5. A copper disc has a hole. If the disc is heated the size of the hole
6. Should cars have bumpers that collapse under impact?
7. When cone H2S04 is added to dry KNO3 brown fumes are evolved. These fumes are due to
9. What is the element required for solar energy conversion ?