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Maize/Wheat/Rice grain is
A) Fruit
B) Seed
C) Embryo
D) Dried bud

Last updated date: 13th Jun 2024
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392.7k+ views
Hint:Plants produce their food through photosynthesis in which the excess food produced is stored in the form of starch in various parts of the plant.

Complete answer:
Maize, wheat and rice belong to the family of poaceae which produce caryopsis. Caryopsis is in an indehiscent simple dry fruit in which the ovary wall is united to the seed coat. It is found in grasses and cereals. Let us find out the correct option to this question.

>Option A: Fruit of maize, wheat and embryo forms a structure that encloses the seed and embryo inside it just like the caryopsis in which the ovary wall is fused with a seed coat. Therefore, this is the correct option.
>Option B: Seed is the part of the plant which is protected by a covering and is formed during the process of reproduction in angiosperms and gymnosperms. Therefore, this is the incorrect option.
>Option C: Embryo in plants is a multicellular structure of undifferentiated cells which consists of bipolar axis and does not have any structure like caryopsis. Therefore, this is the incorrect option.
>Option D: The dried buds are those structures of plants that do not bear any nutritional value. The water content in these is nearly zero which makes them a non useful production in some plants of the grass family. Therefore, this is the incorrect option.

Thus, the correct answer is option (A) Fruit.

Additional information: The dried bud of wheat, maize and rice is a waste product and does not possess any commercial value.

Note:The importance of the three as follows,
i) Wheat - It is one of the most important food sources in the world and contains vitamins, iron, carbs, etc.
ii) Maize - It is an important livestock feed and also used industrially for oil and scratch extraction.
iii) Rice - It is one the major energy source and also provides vitamins, fiber, minerals, etc.