Find out which part has an error and mark it as your answer. If there is no error, mark ‘No error’ as your answer. The main sources of bio-fertilisers is microorganisms such nitrogen-fixing A)/ azotobacter, phosphate-solubilising bacteria B)/ and mycorrhizae fungi that promote uptake of nutrients by plants. C)/ No error D)
Find out which part has an error and mark it as your answer. If there is no error, mark ‘No error’ as your answer. The main sources of bio-fertilisers is microorganisms such nitrogen-fixing A)/ azotobacter, phosphate-solubilising bacteria B)/ and mycorrhizae fungi that promote uptake of nutrients by plants. C)/ No error D) Correct Answer A)
Option 1 is correct as,
According to the rules of Subject-Verb agreement, the verb has to agree with the given subject of the sentence.
If the subject is singular, the verb will also be singular and vice versa.
Since the given subject 'Sources' is plural noun, the verb will be selected accordingly.
Hence, 'are' will replace 'is' in 1st part of the given sentence.
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Feb 20, 2025