Unit 6: Crop Production Package of Practices for Kharif Forage Crops - Practice Quiz

1 Which region is generally considered the centre of origin of sorghum?

2 Maize is generally believed to have originated in which region?

3 What is the main use of forage sorghum?

4 Which type of climate is most suitable for growing sorghum?

5 Which soil condition is most suitable for forage maize?

6 Which of the following is a well-known forage maize variety?

7 At which stage is forage maize commonly harvested for good-quality fodder?

8 Napier grass originated primarily in which region?

9 Napier grass is mainly cultivated in which type of region?

10 Why is Napier grass important as a forage crop?

11 Which climatic condition promotes good growth of Napier grass?

12 Which of the following is a variety of guinea grass?

13 Which planting material is commonly used to establish hybrid Napier grass?

14 What is a major advantage of Napier and guinea grass after establishment?

15 Cowpea is generally considered to have originated in which region?

16 What is a major forage benefit of cowpea?

17 Which commercial product is obtained mainly from cluster bean seeds?

18 Which climatic condition is suitable for cluster bean cultivation?

19 Which of the following is a recognized fodder cowpea variety?

20 How does cowpea help improve soil fertility?

21 A breeder seeking maximum diversity for developing drought-tolerant forage sorghum should prioritize germplasm collected from which region?

22 Why is sorghum often preferred to maize as a forage crop in drought-prone rainfed areas?

23 A farmer has four fields available for kharif forage sorghum. Which field is most suitable?

24 A dairy farmer wants a multicut sorghum cultivar that can provide repeated forage harvests. Which type should be selected?

25 A forage sorghum crop is only 25 days old, but fodder is urgently needed. Which management decision best reduces the risk of hydrocyanic acid poisoning?

26 The presence of teosinte and extensive maize diversity makes which region especially important for maize-origin studies and germplasm collection?

27 Continuous monsoon rain has caused standing water in a forage maize field. What is the most appropriate immediate action?

28 Which cultivar would be the most appropriate choice when the primary objective is high-quality forage maize production rather than grain production?

29 A farmer wants maize fodder with a good balance of yield, palatability, and nutritive value. At which stage should the crop generally be harvested?

30 Why is Napier grass particularly suitable for intensive dairy farms in warm tropical regions?

31 Which production environment is most favorable for establishing a high-yielding Napier grass stand?

32 A farmer has seed material from ordinary Napier and stem cuttings from Bajra-Napier hybrid CO (BN) 5. Which method should be used to establish a uniform CO (BN) 5 field?

33 A well-established hybrid Napier field shows declining regrowth after each cut despite adequate irrigation. Which practice is most likely to restore productivity?

34 A plantation manager needs a perennial forage grass for partially shaded spaces beneath widely spaced trees. Which crop is the better choice?

35 Which site is likely to give the most persistent and productive stand of Guinea grass?

36 A farmer wants Guinea grass to remain leafy and palatable over several harvests. Which cutting strategy is most appropriate?

37 A farmer wants a kharif intercrop that supplies protein-rich fodder and improves the feeding value of cereal forage. Why is cowpea suitable?

38 Cowpea seedlings in a low-lying kharif field are yellowing after several days of standing water. Which diagnosis is most appropriate?

39 Cowpea has not been grown previously in a field, and the farmer wants to minimize nitrogen fertilizer use. What should be done before sowing?

40 For a drought-prone, light-textured field in a semi-arid kharif region, which forage legume is generally the most suitable?

41 A farmer must choose between forage sorghum and forage maize for a rainfed field with intermittent drought, high temperature, and uncertain rainfall. Which physiological and morphological combination most strongly favors sorghum?

42 Young forage sorghum is exposed to severe drought and then receives rainfall that triggers rapid regrowth. What is the safest harvest decision?

43 A forage maize crop is intended for high-quality silage. Which harvest stage best balances dry-matter yield, fermentable carbohydrate, moisture content, and feeding value?

44 Two fields receive identical nitrogen rates. Field I is well drained and Field II remains waterlogged for several days after each storm. Why is forage maize likely to show a larger yield penalty in Field II?

45 A multicut sorghum variety is compared with a single-cut variety under irrigation. Which management change is most essential for exploiting the multicut variety's yield potential?

46 A field produced of green forage maize containing 24% dry matter. Another produced of forage sorghum containing 32% dry matter. Which comparison is correct?

47 Which origin-distribution interpretation is most consistent with the domestication histories of sorghum and maize?

48 A farmer establishes hybrid Napier using botanical seed collected from an existing stand, but emergence and varietal uniformity are extremely poor. What is the best explanation and corrective practice?

49 A dairy unit requires a perennial grass for a partially shaded orchard with moderate rainfall and well-drained soil. Which crop-management combination is most suitable?

50 A hybrid Napier stand declines after successive harvests despite adequate irrigation. Records show that every cut was made almost at soil level. Which mechanism most directly explains the decline?

51 A producer harvests hybrid Napier at progressively longer intervals. Green yield per cut increases, but livestock intake and milk response decline. Which change most plausibly caused this outcome?

52 A rectangular hectare of hybrid Napier is planted at . If 8% of planting positions fail and each successful clump yields per cut, what is the expected green-forage yield per cut?

53 Which statement best integrates the origin, adaptation, and present distribution of Napier and guinea grass?

54 A cereal-forage mixture is sown on nitrogen-deficient soil. Which practice is most likely to improve the cowpea component's contribution to system nitrogen without directly applying more nitrogen fertilizer?

55 In a sorghum-cowpea forage mixture, the cowpea fraction becomes negligible because sorghum shades it soon after emergence. Which adjustment most directly addresses the cause while retaining both crops?

56 A low-rainfall farm has sandy soil, high evaporative demand, and limited irrigation. Which forage legume and trait combination is the more defensible choice?

57 A processor offers a premium for cluster bean grain even though its value as direct human food is locally limited. Which seed component most likely explains the premium?

58 A fodder cowpea crop is harvested very late to maximize standing biomass. The measured green yield rises, but its feeding value falls. Which harvest-related change best explains the result?

59 A pure cowpea stand yields of green forage at 20% dry matter. A cowpea-cereal mixture yields at 18% dry matter. How much greater is the mixture's dry-matter yield?

60 A vigorously growing cowpea field develops yellow foliage and poorly functioning roots after several days of standing water. Which diagnosis is most consistent with the crop's soil requirement?