Botanical names of jowar and rice are respectively
Sorghum vulgare and Oryza sativa
Sorghum vulgare, commonly known as Jowar is a species of monocotyledonous plant belonging to family Poaceae. It is native to Australia. It is an important crop worldwide used as food, animal fodder.
Oryza sativa, commonly known as rice or Asian rice is a species of monocotyledonous plant belonging to family Poaceae. Rice is an important part of the diet in many countries, especially in Asia. Rice straw is used as a feed, building materials etc.
So, the correct answer is 'Sorghum vulgare and Oryza sativa'.