--- title: Rice, maize and potatoes: the plants that feed the world — the lesson's questions with trees and pragmatics · Biology description: The 16 test and exam questions of lesson 345 «Rice, maize and potatoes: the plants that feed the world» of the biology course of Mova's primary school, each with its options, Mova's choice and the right answer, every sentence with its dependency tree and pragmatics. --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/questions/biology/345-rice-maize-and-potatoes-the-plants-that-feed-the-world/) [home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [questions](https://md.mova.elamur.ai/free/en/corpora/questions/) / [Biology](https://md.mova.elamur.ai/free/en/corpora/questions/biology/) / Rice, maize and potatoes: the plants t… # Rice, maize and potatoes: the plants that feed the world The 16 questions of lesson 345 «Rice, maize and potatoes: the plants that feed the world» of the biology course of Mova's primary school with their options, 84 sentences, every one parsed by Mova with its syntax tree and pragmatics. How the student did on them: [the lesson at school](https://md.mova.elamur.ai/free/en/school-run/biology/345-rice-maize-and-potatoes-the-plants-that-feed-the-world/). - [t1](https://md.mova.elamur.ai/free/en/corpora/questions/biology/345-rice-maize-and-potatoes-the-plants-that-feed-the-world/t1/) — Count them: a corn cob has 16 rows with 40 kernels in each. How many kernels and how many silk threads did it once have? — wrong ✗ · ★ - [t2](https://md.mova.elamur.ai/free/en/corpora/questions/biology/345-rice-maize-and-potatoes-the-plants-that-feed-the-world/t2/) — «found a cob with 15 rows, bet that's normal» What is the best answer? — wrong ✗ · ★ - [t3](https://md.mova.elamur.ai/free/en/corpora/questions/biology/345-rice-maize-and-potatoes-the-plants-that-feed-the-world/t3/) — A farmer finds a cob with lots of gaps where kernels are missing. What does it tell him? — wrong ✗ · ★ - [t4](https://md.mova.elamur.ai/free/en/corpora/questions/biology/345-rice-maize-and-potatoes-the-plants-that-feed-the-world/t4/) — If one grain of rice gives a thousand, how many would ten grains give? — right ✓ · ★ - [t5](https://md.mova.elamur.ai/free/en/corpora/questions/biology/345-rice-maize-and-potatoes-the-plants-that-feed-the-world/t5/) — «spuds are just roots innit» What is the true answer? — wrong ✗ · ★ - [t6](https://md.mova.elamur.ai/free/en/corpora/questions/biology/345-rice-maize-and-potatoes-the-plants-that-feed-the-world/t6/) — In a cartoon, a cheeky potato with eyes and arms sprouts in a sunny window and the kid eats it raw, green bits and all. What is the danger? — wrong ✗ · ★ - [t7](https://md.mova.elamur.ai/free/en/corpora/questions/biology/345-rice-maize-and-potatoes-the-plants-that-feed-the-world/t7/) — Why should a sack of potatoes be kept in a dark cupboard? — right ✓ · ★ - [t8](https://md.mova.elamur.ai/free/en/corpora/questions/biology/345-rice-maize-and-potatoes-the-plants-that-feed-the-world/t8/) — «white rice is better, it's cleaner» What is the fairest reply? — right ✓ · ★ - [t9](https://md.mova.elamur.ai/free/en/corpora/questions/biology/345-rice-maize-and-potatoes-the-plants-that-feed-the-world/t9/) — How did farmers without science books turn a scruffy wild grass into big soft corn cobs? — right ✓ · ★ - [t10](https://md.mova.elamur.ai/free/en/corpora/questions/biology/345-rice-maize-and-potatoes-the-plants-that-feed-the-world/t10/) — Why might a plant that keeps its food underground cope well with cold mountain weather? — wrong ✗ · ★ - [t11](https://md.mova.elamur.ai/free/en/corpora/questions/biology/345-rice-maize-and-potatoes-the-plants-that-feed-the-world/t11/) — Why are rice fields on hills built as steps? — wrong ✗ · ★ - [t12](https://md.mova.elamur.ai/free/en/corpora/questions/biology/345-rice-maize-and-potatoes-the-plants-that-feed-the-world/t12/) — In Ice Age, Scrat chases an acorn. If he had a corn cob instead and planted every kernel, what would grow? — wrong ✗ · ★ - [e1](https://md.mova.elamur.ai/free/en/corpora/questions/biology/345-rice-maize-and-potatoes-the-plants-that-feed-the-world/e1/) — Identify the means by which the rice plant obtains air for its roots while standing in flooded fields. — right ✓ · exam - [e2](https://md.mova.elamur.ai/free/en/corpora/questions/biology/345-rice-maize-and-potatoes-the-plants-that-feed-the-world/e2/) — Ascertain the reason for which the rows of kernels upon a cob of maize are ordinarily even in number. — right ✓ · exam - [e3](https://md.mova.elamur.ai/free/en/corpora/questions/biology/345-rice-maize-and-potatoes-the-plants-that-feed-the-world/e3/) — Which of the following statements most accurately characterises the origin of the potato? — wrong ✗ · exam - [e4](https://md.mova.elamur.ai/free/en/corpora/questions/biology/345-rice-maize-and-potatoes-the-plants-that-feed-the-world/e4/) — Select the response consistent with the established facts concerning white rice. — wrong ✗ · exam - ← previous: [344. Honey and the beekeeper's year](https://md.mova.elamur.ai/free/en/corpora/questions/biology/344-honey-and-the-beekeepers-year/) - next →: [346. Fruit: how apples, bananas, oranges, strawberrie…](https://md.mova.elamur.ai/free/en/corpora/questions/biology/346-fruit-how-apples-bananas-oranges-strawberries-and-grapes-grow/) - ↑ back to [Biology](https://md.mova.elamur.ai/free/en/corpora/questions/biology/)