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Which one of the following statements is not true?(2015 Cancel | MemoNeet Official

Which one of the following statements is not true?(2015 Cancelled)
Anonymous Quiz
31%
The flowers pollinated by flies and bats secretefoul odour to attract them
47%
Honey is made by bees by digesting pollen collected from flowers
15%
Pollen grains are rich in nutrients and they are used in the form of tablets and syrups
7%
Pollen grains of some plants cause severe allergies and bronchial afflictions in some people