1. Which of the following is a weak electrolyte?
A. HClB. HFC. CuSO4D. C6H12O6
2. What type of bond present in the base of the chain? DNA
A. IonicB. CovalentC. HydrogenD. Vander waals
3. Not a part of karyokinesis-
A. ProphaseB. MetaphaseC. InterphaseD. Anaphase
4. The noun of ‘excite’ is ______.
A. excitableB. excitingC. excitedD. excitement
5. Value of in water saturated with oxygen at temperature is- DO 15∘C
A. 10 ppmB. 9.2 ppmC. 8 ppmD. 12 ppm
6. How many times should be the velocity of an object to thrown compared to escape velocity, to turn it into an artificial satellite? ve
A. 1 2 veB. √2 veC. 1 √2 veD. 2ve