The survey, which was conducted by The British Nutrition Foundation (BNF) and included more than 27,500 children in the research, found that about 10 percent secondary school kids believe that tomatoes grow under the ground, the Daily Star reported.
The study - launched on Monday by The Princess Royal – has more than 3,000 schools participating in the week-long event, during which more than 1.2 million kids will learn about healthy eating, cooking and where food comes from.
Flashback: When sexy models sizzled in bikinis at Tokyo fashion show
Photos: Amy Jackson, Daisy Shah at Mumbai airport
Photos: Sridevi, Irrfan and other celebs at 'Mughal-e-Azam' screening
Photos: WWE Diva Kelly Kelly sizzles in bikinis on Instagram
Photos: Parineeti Chopra celebrates birthday with fans