CTET Solved Paper - CTET September 2016 Paper2
- Option : C
- Explanation : Vinegar is a good conductor of electricity because an aqueous solution of acetic acid dissociates in to ions. When sugar is dissolved in water, the solution does not conduct electricity because of no ions in formed the solution. Salt water is a good conductor of electricity because it is an electrolyte solution and dissociates in to ions in aguenes solution. Distilled water docs not conduct electricity because it does not contain any impurities.
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- Option : D
- Explanation : Among the given statements, only (b) is not true as plants cannot survive without respiration.
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68. A block of wood is lying at rest on a table. What can be said about the force(s) acting on it?
- Option : C
- Explanation : When an object is at rest, then a pair of balanced forces are acting on it which cancel out each other and hence, the net force is zero.
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69. Which type of leaf pattern, i.e., leaf venation and root type are present in bamboo?
- Option : A
- Explanation : Bamboo leaves have parallel venation and fibrous root.
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70. Which of the following facts is not correct about magnets?
- Option : A
- Explanation : Repulsion and not attraction is a sure test of magnetism. The other magnetic substances which are also non-magnets would only be attracted to a magnet.
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