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 is essential for the synthesis of thyroxin?
A change in which no new substances are formed is called _____________.
In an acid base reaction which product is produced along with a salt?
In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.
On a wing and a prayer
In the following question, a word has been written in four different ways out of which only one is correctly spelt. Select the correctly spelt word.
According to the Hornbostel–Sachs system of Indian Musical Instruments, Ghungroo can be classified as
The ozone layer is mainly found in the lower portion of the _______.