In a seed, food is generally stored in which part of the seed?
A. Cotyledons or endosperm
B. Fruit
C. Micropyle and Testa
D. All

Answer
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Hint: Seeds are generated by numerous related plant species, and the angiosperms ("enclosed seeds") differ from the gymnosperms ("open seeds") ("naked seeds"). Angiosperm seeds are formed in a hard or fleshy structure known as a fruit, which protects the seeds and ensures proper development.

Complete answer:
A blooming plant's seed is an essential component. They produce a new plant as a result of their actions. They can come in a variety of forms, colors, and sizes. They come in a variety of shapes and sizes, including spherical, wrinkled, winged, and hairy. They will remain dormant until they acquire enough sunshine, water, and soil. Germination is the process of a plant growing from a seed. A seed is made up of three parts:
Endosperm: The endosperm is where the nutrients are kept. It gives the seed nutrition in the form of starch, carbs, and proteins to help the embryo germinate. It can be found beneath the seed coat. Until germination, the seeds can be kept alive by consuming nutrients.
Embryo: A seed's embryo is the most vital component. It is diploid, having been created from a fertilized egg. The embryo contains all of the cells necessary for it to grow into a mature embryo.
Seed Coat: The interior components of a seed are protected by a seed coat. The seed coat is made up of two layers. The thick outer layer is known as the testa. Tegmen is the name for the thin inner layer.
The endosperm, cotyledons, and perisperm are all places where stored food may be found in seeds. During seed germination, the stored nourishment is utilized to sustain the embryo. The seed is called albuminous when the plant nourishment is stored outside of the embryo in a big endosperm. Exalbuminous seeds are those in which the embryo maintains its own food reserve, generally inside the cotyledons.

Thus, the answer is option A: Cotyledons or endosperm

Note:
Seed output in natural plant populations fluctuates dramatically from year to year, depending on climatic conditions, insects and diseases, and internal plant cycles. For example, forests of loblolly and shortleaf pine generated anything from 0 to over 5 million sound pine seeds per hectare during a 20-year period. When it came to producing enough seedlings for natural forest reproduction, there were six bumper, five poor, and nine excellent seed harvests during this time period.