Please select a subject first
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______ was developed is 1887 by Yei Sakizo of Japan
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______ cell is used to operate devices such as mobile phones, computers, and emergency lights.
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A battery is a group of ______.
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Match the following
| 1. | Dry cells | a. | Reversible |
| 2. | Electrolyte | b. | Opens or closes the circuit |
| 3. | Switch | c. | Solution |
| 4. | Secondary cell | d. | Torches |
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What is the source of electric current in a T.V. remote?
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Name the portable form of an avalanche cell.
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Name the substance that becomes ions in solutions and acquires the capacity to conduct electricity.
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Define electric cell. What is the direction of the electric current in a cell?
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Write the differences between the primary cell and the secondary cell.
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solid substances like ______, ______ that get converted into gas directly upon heating without becoming liquid.
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______ is not a fugus.
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Fungi need water to complete their life cycle.
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Match the following:
| 1. | Fungi | a. | Funaria |
| 2. | Mosses | b. | Cycas |
| 3. | Gymnosperms | c. | Adiantum |
| 4. | Flowering Plants | d. | Agaricus |
| 5. | Ferns | e. | Tamarind |
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Mention two salient features of class Mammalia.
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Stars mainly consist of ______.
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All planets except mercury in our solar system have Moons.
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Name the star that appears to be stationary in the night sky.
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Name the planets which have more than 60 Moons.
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What is the distance that light travels in one year called?
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Write a note on the planet.
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