Four words are given, out of which only one word is spelt correctly. Choose the correctly spelt word and click the button corresponding to it.
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Which of the following bacterium causes crown gall disease in plants?
Which of the following function is performed by the kidneys in the human body?
Nitric acid does not react with
Which of the following is not correctly matched?
A Sonar of a ship sends sounds waves of speed 1600 m/s. These waves are reflected back by the ocean floor in 4 seconds. Find the depth (in m) of the ocean floor.
How many layers are there in the OSI networking model?
Junagadh inscription is the first inscription of which of the following languages?