The correct answer is (a) Sunflower.
Sunflowers are a type of annual plant that can be grown in all three seasons of the year. They are a popular choice for home gardens because they are easy to grow and produce beautiful flowers. Sunflowers can also be grown commercially for their seeds, which are used in a variety of products, including sunflower oil, sunflower seeds, and birdseed.
Safflower is a type of annual plant that is native to the Mediterranean region. It is a popular choice for commercial cultivation because it is a drought-tolerant crop that can be grown in a variety of climates. Safflower is used to produce a variety of products, including safflower oil, safflower meal, and safflower dye.
Mustard is a type of annual plant that is native to Europe, Asia, and North Africa. It is a popular choice for commercial cultivation because it is a relatively easy crop to grow and produces a high yield of seeds. Mustard seeds are used to produce a variety of products, including mustard oil, mustard flour, and mustard condiments.
Linseed is a type of annual plant that is native to Europe, Asia, and North Africa. It is a popular choice for commercial cultivation because it is a relatively easy crop to grow and produces a high yield of seeds. Linseed seeds are used to produce a variety of products, including linseed oil, linseed meal, and linseed fiber.
Sunflowers are the only crop on the list that can be grown in all three seasons of the year. Safflower, mustard, and linseed are all annual plants that can only be grown in one season of the year.