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Showing: Class 3 (258 questions)
The black tip of your pencil is made of __________________________ .
Brain sends signals to our muscles through ___________________.
If PEN is called KEY, KEY is called SNAKE, SNAKE is called OX, then what do we use to open a lock ?
Which of the following is not a valid example of Doppler Effect ?
Which of the following is not a renewable source of energy ?
Which of the following contains highest amount of proteins ?
Which of the following words stays the same in both singular and plural forms ?