The correct matches are:
Grains - Rice
The grains are plants that are grass-like. They are one seasonal, and every year have to be seeded again. They produce very small grains which are high in carbohydrates and are very nutritious, so the majority of the world uses them as primary food source. They include rice, wheat, corn...
Roots and tubers - Carrots
The roots and tubers are plants that use their root as storage of sugars. This makes the root become bulky, meaty, and very nutritious. These plants include the carrots, potatoes, ginger, Jerusalem artichoke...
Pulses - Lentils
The pulses are plants with small steams, and small grain-like seeds. These seeds are actually very rich in iron, so they are often used by the people in order to keep the hemoglobin on a good level. They include the lentils, legume, green beans, chickpeas...
Herbaceous - Lettuce
The herbaceous plants have the appearance of wide leafed grasses. They have thick, juicy leaves, and they tend to be rich in lot of vitamins. Very often they are used as salads. These plants include the lettuce, spinach, arugula...
Oil seeds - Sunflower
The oil seeds are thin relatively high grass-like plants. They produce flowers that have oil rich seeds. They are used for producing oil in general. These plants include the sunflower, canola, sesame...
Fiber plants - Jute
The fiber plants are plants that have very thick and strong fibers. They are not really used as a food, but more as a material for making cloths. These plants include the jute, some types of cannabis, cotton...