Which of the following option is incorrect about the

Which of the following uses spores to reproduce?

Oxidation number of Mn in KMnO₄ is

Which of the following statements is/are correct in regards to Champaran Satyagraha?

1.    It was the first popular satyagraha movement

Red Data book is the source book which keeps a record of:

Which one of the following sources states that Srinagar was built by Ashoka?

Which of the following numbers will replace the question mark (?) in the given series?

3, 7, 13, 21, 31, ?

For the first time in India, medical benefit as a non-cash benefit was provided under?

What is the minimum distance one has to stand at from a wall to hear an echo?

The principle that suggests recording expenses only when they are realized, and income only when they are certain, is known as: