The correct answer is Only (a). Oat (Avena sativa) Oat is one of the most important cereal fodder crops of rabi season in the North, Central and West Zone of the country. It provides soft and palatable fodder rich in crude protein (10-12%). The chemical composition of green fodder varies with the stage of harvest. Oat is also used as straw, hay or silage. Its grain makes a good feed, particularly for horses, sheep and poultry. Additional InformationSorghum sudanensIt is cultivated mainly for grain and also for fodder. Sorghum is a drought-resistant annual crop. It thrives in a tropical climate with a temperature range of 25-35oC. It is not suited to higher elevations (more than 1200 m). It can be grown under an annual rainfall of 300-350 mm. It can be grown on any soil except on very sandy soils. Pennisetum purpureumElephant grass, merker grass, Napier grass, napier, Uganda grass, bana grass, barner grass Elephant grass (Pennisetum purpureum Schumach. ) is a major tropical grass. It is one of the highest yielding tropical grasses. It is a very versatile species that can be grown under a wide range of conditions and systems: dry or wet conditions, smallholder or larger-scale agriculture. It is a valuable forage and very popular throughout the tropics, notably in cut-and-carry systems. Barley (Hordeum vulgare L. )It has been traditionally used as a grain crop for human consumption and animal feed in India. It is grown during the winter season (Rabi) in the northern plains as well as in northern hills, mostly under rainfed or limited irrigation condition on poor to marginal soils.