Unit 3: Crop Production Package of Practices for Kharif Pulses - Practice Quiz

AGR210 — Crop Production Technology-I (Kharif Crops) 60 Questions
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1 Which country is generally regarded as the primary centre of origin of pigeon pea?

Pigeon pea: origin Easy
A. Canada
B. India
C. Australia
D. Brazil

2 Pigeon pea is mainly cultivated in which group of regions?

Pigeon pea: geographical distribution Easy
A. Arctic and alpine regions
B. Tropical and subtropical regions
C. Tundra and polar regions
D. Cold desert regions

3 Which country is the largest producer and consumer of pigeon pea?

Pigeon pea: geographical distribution Easy
A. Canada
B. Japan
C. India
D. France

4 What is the main food product obtained from pigeon pea seeds?

Pigeon pea: economic importance Easy
A. Starch flour
B. Dal
C. Sugar
D. Edible oil

5 Why is pigeon pea valuable in cereal-based diets?

Pigeon pea: economic importance Easy
A. It supplies protein
B. It supplies caffeine
C. It supplies latex
D. It supplies wax

6 Which soil is most suitable for pigeon pea cultivation?

Pigeon pea: soil and climatic requirements Easy
A. Marshy peat soil
B. Well-drained loam soil
C. Highly saline soil
D. Permanently flooded clay

7 Which weather condition is most suitable for pigeon pea growth?

Pigeon pea: soil and climatic requirements Easy
A. Freezing weather
B. Snowy weather
C. Warm weather
D. Frosty weather

8 Which of the following is an early-maturing variety of pigeon pea?

Pigeon pea: varieties Easy
A. JL 24
B. UPAS 120
C. HD 2967
D. Pusa Basmati 1

9 When is pigeon pea generally sown as a Kharif crop?

Pigeon pea: cultural practices and yield Easy
A. At the end of spring
B. At the onset of monsoon
C. During severe summer drought
D. At the beginning of winter

10 Which biofertilizer is commonly used to treat pigeon pea seed?

Pigeon pea: cultural practices and yield Easy
A. Acetobacter culture
B. Azolla culture
C. Rhizobium culture
D. Blue-green algae

11 A well-managed pigeon pea crop commonly produces grain yield in which approximate range?

Pigeon pea: cultural practices and yield Easy
A. 15–20 quintals per hectare
B. 70–80 quintals per hectare
C. 1–3 quintals per hectare
D. 40–50 quintals per hectare

12 Which country is commonly recognized as a centre of origin of mung bean?

Mung bean and urd bean: origin Easy
A. Argentina
B. India
C. New Zealand
D. Norway

13 Urd bean is generally considered to have originated in which country?

Mung bean and urd bean: origin Easy
A. India
B. Russia
C. Mexico
D. Egypt

14 Mung bean and urd bean are most widely grown in which type of climate?

Mung bean and urd bean: geographical distribution Easy
A. Frozen tundra climate
B. Warm tropical climate
C. Cold polar climate
D. Cool alpine climate

15 What is a major nutritional benefit of mung bean and urd bean?

Mung bean and urd bean: economic importance Easy
A. High latex content
B. High wax content
C. High caffeine content
D. High protein content

16 How do mung bean and urd bean help improve soil fertility?

Mung bean and urd bean: economic importance Easy
A. By increasing soil salinity
B. By producing soil sodium
C. By removing soil humus
D. By fixing atmospheric nitrogen

17 Which field condition should be avoided when growing mung bean and urd bean?

Mung bean and urd bean: soil and climatic requirements Easy
A. Warm weather
B. Good drainage
C. Moderate rainfall
D. Waterlogging

18 Which of the following is a mung bean variety?

Mung bean and urd bean: varieties Easy
A. HD 2967
B. Pusa Basmati 1
C. Pusa Vishal
D. UPAS 120

19 Which of the following is a commonly cultivated urd bean variety?

Mung bean and urd bean: varieties Easy
A. SML 668
B. Asha
C. T-9
D. JL 24

20 What is the approximate grain yield expected from a well-managed Kharif mung bean or urd bean crop?

Mung bean and urd bean: cultural practices and yield Easy
A. 30–40 quintals per hectare
B. 8–12 quintals per hectare
C. 1–2 quintals per hectare
D. 60–70 quintals per hectare

21 A plant breeder searching for the primary centre of diversity of pigeon pea should prioritize germplasm collection from which region?

Pigeon pea: origin Medium
A. Central American plateau
B. Mediterranean basin
C. West Asian highlands
D. Indian subcontinent

22 Which combination best explains why pigeon pea is widely cultivated in the semi-arid tropics of India and eastern Africa?

Pigeon pea: geographical distribution Medium
A. Deep roots and drought tolerance
B. Aquatic growth and salt tolerance
C. Short roots and shade tolerance
D. Shallow roots and frost tolerance

23 A farmer retains pigeon pea stalks after threshing instead of burning them. Which use provides the most direct additional economic benefit?

Pigeon pea: economic importance Medium
A. Using them as fuel and thatching material
B. Using them for producing natural rubber
C. Using them for extracting edible oil
D. Using them for manufacturing sugar

24 A pigeon pea field receives heavy monsoon rain and remains saturated for several days. Which intervention would most directly reduce crop damage?

Pigeon pea: soil and climatic requirements Medium
A. Providing surface drainage channels
B. Increasing the seed rate immediately
C. Delaying intercultural operations indefinitely
D. Applying additional nitrogen fertilizer

25 Which field is most suitable for establishing a rainfed pigeon pea crop?

Pigeon pea: soil and climatic requirements Medium
A. A flooded clay field with poor drainage
B. A coarse dune with no moisture storage
C. A well-drained loam with moderate fertility
D. A highly acidic peat soil under shade

26 A farmer needs an early-maturing pigeon pea variety to fit into a pigeon pea-wheat sequence. Which variety is the most appropriate choice?

Pigeon pea: varieties Medium
A. Bahar
B. Narendra Arhar 1
C. UPAS 120
D. MAL 13

27 Pigeon pea is planted at spacing. Approximately how many planting positions are available per hectare?

Pigeon pea: cultural practices and yield Medium
A.
B.
C.
D.

28 A farmer wants to suppress early weeds in a wide-spaced pigeon pea crop while improving soil aeration. Which operation is most suitable?

Pigeon pea: cultural practices and yield Medium
A. Removing lower branches at flowering
B. Continuous flooding during early growth
C. Inter-row hoeing during early growth
D. Harvesting the crop before pod formation

29 In a cereal-pigeon pea intercropping system, what is the main agronomic reason for arranging crops in distinct row ratios?

Pigeon pea: cultural practices and yield Medium
A. To eliminate the need for weed control
B. To make both crops equally shade tolerant
C. To reduce competition and ease field operations
D. To ensure both crops mature on one date

30 A pigeon pea field of ha produces kg of clean grain. What is the grain yield in quintals per hectare?

Pigeon pea: cultural practices and yield Medium
A.
B.
C.
D.

31 A researcher studying the domestication of both mung bean and urd bean would most reasonably focus initial archaeological and genetic sampling in which region?

Mung bean and urd bean: origin Medium
A. Northern Scandinavia
B. Central Australia
C. Southern South America
D. Indian subcontinent

32 Why can short-duration mung bean varieties be cultivated in several different seasons across India?

Mung bean and urd bean: geographical distribution Medium
A. They remain dormant through the warm season
B. They need prolonged frost for flowering
C. They require permanent standing water
D. They fit into brief periods between major crops

33 A cereal-based farm includes mung bean as a catch crop. Besides grain income, which benefit is most relevant to the following cereal crop?

Mung bean and urd bean: economic importance Medium
A. Permanent elimination of all soil pathogens
B. Complete replacement of irrigation requirements
C. Conversion of saline soil into neutral soil
D. Biological nitrogen addition through nodulation

34 A nutrition programme must choose between polished rice and urd bean to improve dietary protein intake. Why is urd bean the better addition?

Mung bean and urd bean: economic importance Medium
A. It supplies substantially more starch
B. It is composed mainly of edible oil
C. It supplies substantially more protein
D. It contains no dietary fibre

35 A low-lying field is frequently waterlogged after monsoon showers. Why is it risky for mung bean and urd bean cultivation?

Mung bean and urd bean: soil and climatic requirements Medium
A. Wet soil prevents all vegetative growth
B. Poor aeration restricts roots and nodules
C. Excess water causes immediate seed dormancy
D. High moisture always delays seed germination

36 Mung bean flowering coincides with several days of continuous heavy rain. Which outcome is most likely?

Mung bean and urd bean: soil and climatic requirements Medium
A. Greater nodulation without disease risk
B. Reduced pollination and increased flower drop
C. Immediate maturity with larger seeds
D. Improved pod set and uniform seed filling

37 A farmer wants a short-duration mung bean variety suitable for intensive cropping and known for resistance to mung bean yellow mosaic virus. Which variety is an appropriate choice?

Mung bean and urd bean: varieties Medium
A. SML 668
B. T 9
C. Bahar
D. UPAS 120

38 A seed lot is labelled T 9 and is recommended for kharif pulse production. To which crop does this variety belong?

Mung bean and urd bean: varieties Medium
A. Pigeon pea
B. Cowpea
C. Mung bean
D. Urd bean

39 An uninoculated field has not grown mung bean for several years. Which seed treatment is most likely to improve nodulation?

Mung bean and urd bean: cultural practices and yield Medium
A. Common salt treatment
B. Crop-specific Rhizobium inoculation
C. Lime-free water soaking
D. Concentrated urea coating

40 A ha mung bean field has a target yield of . If harvest and post-harvest losses are expected to be , what marketable grain quantity should be expected?

Mung bean and urd bean: cultural practices and yield Medium
A.
B.
C.
D.

41 Which combination of evidence most strongly supports the Indian subcontinent as the primary center of domestication of pigeon pea?

Pigeon pea: origin Hard
A. Perennial wild relatives and mechanized pigeon pea cultivation occurring in Australia
B. Maximum modern cultivation area and numerous processing industries occurring in Africa
C. High present-day yields and extensive commercial breeding occurring in the Americas
D. Ancient seed remains and closely related wild Cajanus species occurring in India

42 Why have short-duration, relatively photoperiod-insensitive pigeon pea varieties expanded cultivation into subtropical regions more effectively than traditional long-duration varieties?

Pigeon pea: geographical distribution Hard
A. They remain vegetative until winter rainfall replenishes the soil profile
B. They complete reproduction before low-temperature or frost injury becomes likely
C. They tolerate prolonged soil submergence during the late monsoon season
D. They require longer nights and lower temperatures to initiate flowering

43 Sole pigeon pea and sole sorghum yield and t ha, respectively. Their intercrop yields are and t ha. What is the land equivalent ratio and its correct interpretation?

Pigeon pea: economic importance Hard
A. ; the intercrop has a land-use advantage
B. ; the intercrop has a land-use advantage
C. ; the sole crops have a land-use advantage
D. ; the intercrop has a land-use advantage

44 A deep Vertisol stores enough water for pigeon pea, but intense monsoon rainfall causes temporary saturation and subsequent wilt incidence. Which intervention best addresses the principal soil-related constraint?

Pigeon pea: soil and climatic requirements Hard
A. Increase sowing depth so roots remain below the saturated surface horizon
B. Provide broad-bed-and-furrow drainage while retaining stored subsoil moisture
C. Apply frequent irrigation to maintain a uniformly wet root-zone environment
D. Compact the seedbed to reduce infiltration and conserve surface soil moisture

45 A farmer needs pigeon pea to mature in approximately 120–130 days so that wheat can be sown on time. Which varietal choice is most consistent with this objective?

Pigeon pea: varieties Hard
A. MAL 13, selected primarily for its medium-late maturity
B. Gwalior 3, selected primarily for its traditional long duration
C. UPAS 120, selected primarily for its early maturity
D. Bahar, selected primarily for its long-duration growth

46 In a field with recurring Fusarium wilt and sterility mosaic disease, which pigeon pea variety is the most appropriate among the following choices?

Pigeon pea: varieties Hard
A. Prabhat, emphasizing short duration rather than dual resistance
B. UPAS 120, emphasizing earliness rather than dual resistance
C. T 21, representing an older selection with limited dual protection
D. ICPL 87119 (Asha), combining wilt and sterility mosaic tolerance

47 Pigeon pea is planted at cm with one plant per hill. Germination is , physical purity is , expected field establishment is , and thousand-seed weight is g. Approximately how much seed is required per hectare?

Pigeon pea: cultural practices Hard
A. kg ha
B. kg ha
C. kg ha
D. kg ha

48 A pigeon pea crop produces t ha of total above-ground dry matter with a harvest index of . If harvesting and processing losses equal of grain yield, what is the approximate marketable yield?

Pigeon pea: yield Hard
A. t ha
B. t ha
C. t ha
D. t ha

49 Which statement best represents the accepted domestication history of mung bean and urd bean?

Mung bean and urd bean: origin Hard
A. Mung bean originated in America, whereas urd bean originated in Central Asia
B. Both were domesticated in South Asia from distinct wild progenitor populations
C. Mung bean originated in Europe, whereas urd bean originated in Southeast Africa
D. Both were domesticated in East Africa from a common wild progenitor population

50 Which combination of crop traits most directly explains the geographical expansion of mung bean and urd bean into rice-fallow systems?

Mung bean and urd bean: geographical distribution Hard
A. Long duration, flooding tolerance, and a requirement for puddled seedbeds
B. Cold requirement, deep dormancy, and suitability for prolonged winter conditions
C. Short duration, residual-moisture use, and suitability for low-tillage establishment
D. Perennial growth, shade dependence, and a requirement for standing irrigation water

51 A farmer claims that all nitrogen fixed by a mung bean crop becomes available to the succeeding cereal. Which evaluation is agronomically most accurate?

Mung bean and urd bean: economic importance Hard
A. The claim is incorrect because grain removal exports part of the accumulated nitrogen
B. The claim is incorrect because legumes cannot contribute nitrogen to subsequent crops
C. The claim is correct because biological fixation remains entirely in the soil
D. The claim is correct only when the mung bean crop receives high fertilizer nitrogen

52 A 75-day monsoon-season field has fertile clay soil but commonly experiences 48 hours of surface ponding after heavy rainfall. What should receive priority before selecting a mung bean or urd bean variety?

Mung bean and urd bean: soil and climatic requirements Hard
A. Apply additional nitrogen to stimulate root activity under submerged conditions
B. Construct surface drainage or raised beds to prevent root-zone saturation
C. Delay all weed control so weeds can remove excess water through transpiration
D. Increase seed rate to compensate for oxygen deficiency around established roots

53 A strongly acidic field has low calcium availability, aluminium toxicity, and poor nodulation despite adequate moisture. Which management strategy is most appropriate for mung bean or urd bean?

Mung bean and urd bean: soil and climatic requirements Hard
A. Apply lime according to soil requirement and use an effective Rhizobium inoculant
B. Apply sodium chloride to replace aluminium and improve biological nitrogen fixation
C. Maintain continuous saturation so aluminium is displaced from the exchange complex
D. Apply ammonium fertilizer heavily and omit inoculation until soil acidity increases

54 Which varietal classification is internally consistent?

Mung bean and urd bean: varieties Hard
A. SML 668—mung bean; T-9—urd bean
B. UPAS 120—mung bean; SML 668—urd bean
C. ICPL 87119—mung bean; Pant Urd 31—pigeon pea
D. T-9—mung bean; Pusa Vishal—urd bean

55 Four mung bean varieties produced the following yields across three disease-prone environments: SML 668—; Pusa Vishal—; Samrat—; IPM 02-3— t ha. Under a maximin risk criterion, which variety should be selected?

Mung bean and urd bean: varieties Hard
A. IPM 02-3
B. SML 668
C. Samrat
D. Pusa Vishal

56 Mung bean is planted at cm with one plant per hill. Germination is , purity is , field establishment is , and thousand-seed weight is g. What is the approximate seed requirement per hectare?

Mung bean and urd bean: cultural practices Hard
A. kg ha
B. kg ha
C. kg ha
D. kg ha

57 An urd bean field has severe early weed pressure, but frequent monsoon rain may prevent timely manual weeding. Which strategy offers the most reliable integrated control?

Mung bean and urd bean: cultural practices Hard
A. Postpone control until flowering and then perform one deep inter-row cultivation
B. Use a suitable pre-emergence herbicide followed by one need-based interculture
C. Increase nitrogen application so crop growth suppresses weeds throughout the season
D. Use repeated deep cultivation after emergence to destroy each new weed flush

58 A soil test shows low phosphorus and sulfur but adequate available nitrogen. Which nutrient plan best supports mung bean productivity and biological nitrogen fixation?

Mung bean and urd bean: cultural practices Hard
A. Apply soil-test-based phosphorus and sulfur with only a small starter dose of nitrogen
B. Apply nitrogen entirely at flowering and omit sulfur because pulses require little protein
C. Apply a large nitrogen dose and omit phosphorus because nodules supply phosphorus
D. Apply phosphorus only as a late foliar spray and suppress nodulation with mineral nitrogen

59 In a yellow mosaic disease hotspot, which production package is most likely to protect mung bean or urd bean yield sustainably?

Mung bean and urd bean: cultural practices Hard
A. Use a locally resistant variety, timely sowing, sanitation, and need-based whitefly management
B. Use untreated farm seed and delay vector control until most plants show mosaic symptoms
C. Use a susceptible variety, late sowing, dense planting, and repeated nitrogen top-dressing
D. Use any high-yielding variety and rely exclusively on calendar-based fungicide applications

60 A mung bean field has productive plants ha, pods per plant, seeds per pod, and a thousand-seed weight of g. If field and processing losses total , what is the approximate marketable grain yield?

Mung bean and urd bean: yield Hard
A. t ha
B. t ha
C. t ha
D. t ha