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Choose the correct option. 3. What does the following road sign indicate?A. Speed breaker aheadB. Mountains aheadC. Lake aheadD. Narrow bridge aheadAnswer: A. Speed breaker ahead 4. Which of the…
Describe the problems faced by the Weimar Republic. Answer. The Weimar Republic was the new German government formed after World War I. It faced numerous serious problems: 1. Unfair Peace…
A. Choose the correct option. A mirror that always produces a virtual, upright image of the same size as the object is a spherical mirrora. convex mirrorb. convex mirrorc. plane…
A. Choose the correct option. Wind is caused because ofa. the movement of the Earth around the Sunb. uneven heating of the Earthc. the position of the moond. trees movingAnswer:…
A. Choose the correct option 1. Which of these is a basic component of an electric circuit?a. An electric toasterb. An electric bellc. A source of electric currentd. An electromagnet…
A. Choose the correct option. The time period of a simple pendulum depends on thea. length of the stringb. mass of the bobc. extent to which the bob is displacedd.…
1. Choose the correct option. a. Read the statements carefully and choose the correct option.Statement I - The organic impurities present in wastewater are nitrates, sulphates, phosphates and metals.Statement II…
1. Choose the correct option. a. Which is the lowest layer of the forest?i. Emergentii. Forest flooriii. Canopyiv. Understorey Answer: ii. Forest floor b. Which of these animals is an…
1. Choose the correct option. a. Choose the standard symbol of a bulb for a circuit diagram.i.Answer: (i) b. What is the SI unit of potential difference?i. ampereii. jouleiii. newtoniv. volt…
1. Choose the correct option from the following. 1. Choose the correct option from the following. a. Suhani’s finger got injured and started bleeding while trimming a pencil. Which component…