Important Agriculture MCQs – Test 02 | 1000 MCQ Series

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Important Agriculture MCQs – Test 02 | 1000 MCQ Series

Important Agriculture MCQs – Test 02 | 1000 MCQ Series

Important Agriculture MCQs – Test 02 | 1000 MCQ Series

 

Q.51. Attraction of two dissimilar kinds of molecules is known as?

(दो भिन्न प्रकार के अणुओं के बीच आकर्षण को क्या कहते हैं?)

  1. Adhesion (आसंजन)
  2. Retention (धारण)
  3. Cohesion (संसंजन)
  4. Conservation (संरक्षण)

Answer:- A. Adhesion (आसंजन)

Explanation:- Adhesion is the attraction between molecules of different substances.

 

Q.52. Covering the soil surface by any organic material is termed as?

(मृदा की सतह को किसी कार्बनिक पदार्थ से ढकने को क्या कहते हैं?)

  1. Green manuring (हरी खाद)
  2. Mulch (मल्च)
  3. Nurse crop (नर्स फसल)
  4. None of these (इनमें से कोई नहीं)

Answer:- B. Mulch (मल्च)

Explanation:- Mulching is the practice of covering the soil surface with organic or other materials to conserve moisture and suppress weeds.

 

Q.53. Harvest index in wheat is approximately?

(गेहूँ का हार्वेस्ट इंडेक्स लगभग कितना होता है?)

  1. 40%
  2. 52%
  3. 58%
  4. 62%

Answer:- A. 40%

Explanation:- Harvest index is the ratio of economic yield to total biological yield, and in wheat it is approximately 40%.

 

Q.54. The Molya disease of wheat is caused by?

(गेहूँ का मोल्या रोग किसके कारण होता है?)

  1. Anguina tritici
  2. Heterodera avenae
  3. Rotylenchus robustus
  4. Pratylenchus penetrans

Answer:- B. Heterodera avenae

Explanation:- Molya disease of wheat is caused by the cereal cyst nematode Heterodera avenae.

 

Q.55. Sannhemp belongs to the family?

(सनहेम्प किस कुल का पौधा है?)

  1. Tiliaceae
  2. Liniaceae
  3. Leguminoseae
  4. Compositeae

Answer:- C. Leguminoseae

Explanation:- Sunnhemp (Crotalaria juncea) belongs to the family Leguminosae (Fabaceae).

 

Q.56. Country having the richest rice germplasm collection in the world?

(विश्व में धान का सबसे समृद्ध जर्मप्लाज्म संग्रह किस देश में है?)

  1. USA
  2. China
  3. India
  4. Taiwan

Answer:- C. India

Explanation:- India possesses one of the world’s richest collections of rice germplasm, reflecting its enormous rice diversity.

 

Q.57. Equivalent acidity of ammonium sulphate is?

(अमोनियम सल्फेट की समतुल्य अम्लता कितनी होती है?)

  1. 80
  2. 86
  3. 110
  4. 128

Answer:- C. 110

Explanation:- The equivalent acidity of ammonium sulphate is approximately 110 kg CaCO₃ per 100 kg fertilizer.

 

Q.58. Study of fresh water is called?

(मीठे जल के अध्ययन को क्या कहते हैं?)

  1. Hydrology
  2. Synecology
  3. Limnology
  4. Hydrometeorology

Answer:- C. Limnology

Explanation:- Limnology is the scientific study of inland waters, especially freshwater ecosystems such as lakes and ponds.

 

Q.59. 95 to 99.5% portion of plant tissues are made up of?

(पौधों के ऊतकों का 95–99.5% भाग किन तत्वों से बना होता है?)

  1. N, P and K
  2. C, H and O
  3. Ca, Mg and C
  4. None of these

Answer:- B. C, H and O

Explanation:- Carbon, hydrogen and oxygen constitute about 95–99.5% of the dry matter of plant tissues.

 

Q.60. Aroma of earthy smell in first shower of monsoon is due to?

(मानसून की पहली वर्षा में मिट्टी की सुगंध किसके कारण आती है?)

  1. Bacteria
  2. Fungi
  3. Actinomycetes
  4. None of the above

Answer:- C. Actinomycetes

Explanation:- The earthy smell after the first rain is mainly associated with geosmin produced by soil microorganisms, especially actinomycetes such as Streptomyces.

 

Q.61. International Year of Pulses was celebrated in?

(अंतर्राष्ट्रीय दलहन वर्ष कब मनाया गया?)

  1. 2014
  2. 2018
  3. 2016
  4. 2019

Answer:- C. 2016

Explanation:- The United Nations declared 2016 as the International Year of Pulses to promote awareness of their nutritional and agricultural importance.

 

Q.62. Which transgenic crop has the maximum cultivated area in the world?

(विश्व में सर्वाधिक क्षेत्रफल में उगाई जाने वाली ट्रांसजेनिक फसल कौन-सी है?)

  1. Wheat
  2. Cotton
  3. Soybean
  4. Brinjal

Answer:- C. Soybean

Explanation:- Genetically modified soybean occupies the largest cultivated area among major transgenic crops worldwide.

 

Q.63. Best method of irrigation in potato crop is?

(आलू की फसल के लिए सर्वोत्तम सिंचाई विधि कौन-सी है?)

  1. Furrow method
  2. Drip method
  3. Border strip method
  4. Basin method

Answer:- A. Furrow method

Explanation:- Furrow irrigation is traditionally preferred for potato because water is supplied through furrows without directly flooding the tubers.

 

Q.64. How much percentage of calcium is present in SSP?

(SSP में कैल्शियम की मात्रा कितनी होती है?)

  1. 19.50%
  2. 12%
  3. 16%
  4. None of these

Answer:- A. 19.50%

Explanation:- Single Super Phosphate (SSP) generally contains about 18–19.5% calcium along with phosphorus and sulphur.

 

Q.65. Microbial population of soil generally?

(मृदा में सूक्ष्मजीवों की संख्या सामान्यतः कैसी होती है?)

  1. Increases with depth
  2. Constant throughout profile
  3. Decreases with depth
  4. No specific trend

Answer:- C. Decreases with depth

Explanation:- Soil microbial populations generally decrease with depth because organic matter, oxygen and available nutrients decline with depth.

 

Q.66. Which is not a form of water erosion?

(निम्न में से कौन जल अपरदन का प्रकार नहीं है?)

  1. Sheet erosion
  2. Saltation
  3. Splash erosion
  4. Rill erosion

Answer:- B. Saltation

Explanation:- Saltation is a mode of sediment transport, whereas sheet, splash and rill erosion are forms of water erosion.

 

Q.67. Red soils are found maximum in?

(लाल मिट्टी सर्वाधिक कहाँ पाई जाती है?)

  1. Karnataka
  2. Uttar Pradesh
  3. Tamil Nadu
  4. Assam

Answer:- C. Tamil Nadu

Explanation:- Red soils are extensively distributed in peninsular India, with Tamil Nadu having a large area under red soils.

 

Q.68. Soil strength is determined by?

(मृदा की शक्ति किससे मापी जाती है?)

  1. Penetrometer
  2. Micrometer
  3. Hydrometer
  4. Dynamometer

Answer:- A. Penetrometer

Explanation:- A penetrometer is used to measure soil penetration resistance, an important indicator of soil strength or compaction.

 

Q.69. Cider is prepared from?

(साइडर किससे बनाई जाती है?)

  1. Grapes
  2. Apple
  3. Pears
  4. Plums

Answer:- B. Apple

Explanation:- Cider is a fermented beverage traditionally prepared from apple juice.

 

Q.70. Natural colouring agent of chilli is?

(मिर्च का प्राकृतिक रंगद्रव्य क्या है?)

  1. Turmeric
  2. Resinocine
  3. Oleoresin
  4. None of these

Answer:- C. Oleoresin

Explanation:- Chilli oleoresin contains carotenoid pigments that impart the characteristic red colour to chilli products.

 

Q.71. Example of a non-climacteric fruit is?

(नॉन-क्लाइमेक्टेरिक फल का उदाहरण है?)

  1. Lemon
  2. Papaya
  3. Mango
  4. Banana

Answer:- A. Lemon

Explanation:- Lemon is a non-climacteric fruit and does not show a pronounced respiration peak during ripening.

 

Q.72. In hexagonal planting system, plants accommodated are?

(षट्कोणीय रोपण प्रणाली में कितने अधिक पौधे लगाए जा सकते हैं?)

  1. 10% more
  2. 15% more
  3. 20% more
  4. 25% more

Answer:- B. 15% more

Explanation:- The hexagonal system accommodates about 15% more plants than the square system for the same spacing distance.

 

Q.73. Covered smut of barley is caused by?

(जौ का कवर्ड स्मट रोग किससे होता है?)

  1. Ustilago avenae
  2. Ustilago scitaminea
  3. Ustilago hordei
  4. Ustilago nuda tritici

Answer:- C. Ustilago hordei

Explanation:- Covered smut of barley is caused by the fungus Ustilago hordei.

 

Q.74. Ear Cock disease of wheat is caused by?

(गेहूँ का ईयर कॉक रोग किसके कारण होता है?)

  1. Bacteria
  2. Nematode
  3. Fungus
  4. Virus

Answer:- B. Nematode

Explanation:- Ear cock disease of wheat is caused by the nematode Anguina tritici.

 

Q.75. Bordeaux mixture was discovered in?

(बोर्डो मिश्रण की खोज किस वर्ष हुई?)

  1. 1890
  2. 1885
  3. 1807
  4. 1905

Answer:- B. 1885

Explanation:- Bordeaux mixture was discovered in France in 1885 and became an important copper-based fungicide.

 

Q.76. Central Coffee Research Institute is situated at?

(केंद्रीय कॉफी अनुसंधान संस्थान कहाँ स्थित है?)

  1. Chennai, Tamil Nadu (चेन्नई, तमिलनाडु)
  2. Balahanur, Karnataka (बालाहोनूर, कर्नाटक)
  3. Hyderabad, Andhra Pradesh (हैदराबाद, आंध्र प्रदेश)
  4. None of these (इनमें से कोई नहीं)

Answer:- B. Balahanur, Karnataka (बालाहोनूर, कर्नाटक)

Explanation:- The Central Coffee Research Institute is located at Balehonnur in Chikkamagaluru district of Karnataka.

 

Q.77. Who is the chief editor of the Indian Journal of Agronomy?

(इंडियन जर्नल ऑफ एग्रोनॉमी के मुख्य संपादक कौन हैं?)

  1. Dr. Rajendra Prasad (डॉ. राजेन्द्र प्रसाद)
  2. Dr. I. P. S. Ahlawat (डॉ. आई. पी. एस. अहलावत)
  3. Dr. A. R. Sharma (डॉ. ए. आर. शर्मा)
  4. Dr. R. C. Gautam (डॉ. आर. सी. गौतम)

Answer:- B. Dr. A. R. Sharma (डॉ. ए. आर. शर्मा)

Explanation:- Dr. A. R. Sharma is given as the chief editor in the supplied answer key.

 

Q.78. Select the correct sequence of erosion.

(अपरदन का सही क्रम चुनिए।)

  1. Gully → Splash → Sheet → Rill
  2. Rill → Sheet → Splash → Gully
  3. Splash → Sheet → Rill → Gully
  4. Sheet → Gully → Rill → Splash

Answer:- C. Splash → Sheet → Rill → Gully

Explanation:- The progression of water erosion is commonly described as splash, sheet, rill and finally gully erosion as severity increases.

 

Q.79. Crop used as the symbol in ICAR logo is?

(ICAR के प्रतीक चिन्ह में किस फसल का उपयोग किया गया है?)

  1. Rice (धान)
  2. Wheat (गेहूँ)
  3. Maize (मक्का)
  4. None (कोई नहीं)

Answer:- B. Wheat (गेहूँ)

Explanation:- Wheat is represented as the crop symbol in the ICAR emblem, reflecting the importance of agricultural research and food production.

 

Q.80. World Bee Day is celebrated on?

(विश्व मधुमक्खी दिवस कब मनाया जाता है?)

  1. 24 August
  2. 20 May
  3. 26 May
  4. 21 November

Answer:- B. 20 May

Explanation:- World Bee Day is observed every year on 20 May to highlight the importance of bees and other pollinators.

 

Q.81. Little leaf of cotton is caused by the deficiency of?

(कपास में लिटिल लीफ विकार किस तत्व की कमी से होता है?)

  1. Cu
  2. Mo
  3. Zn
  4. Mn

Answer:- C. Zn

Explanation:- Zinc deficiency can cause little leaf symptoms, characterized by reduced leaf size and shortened internodes in plants.

 

Q.82. Production of seedless grapes requires?

(बीजरहित अंगूर उत्पादन के लिए किस हार्मोन का उपयोग किया जाता है?)

  1. IAA
  2. NAA
  3. Ethylene
  4. Gibberellins

Answer:- D. Gibberellins

Explanation:- Gibberellins, particularly GA₃, are widely used to induce and improve seedlessness and berry size in grapes.

 

Q.83. First superfine aromatic Basmati hybrid released in India is?

(भारत का पहला सुपरफाइन सुगंधित बासमती संकर कौन-सा है?)

  1. PUSA Basmati-1
  2. PUSA RH-10
  3. PUSA RH-23
  4. GEB-24

Answer:- B. PUSA RH-10

Explanation:- PUSA RH-10 is recognized as an early aromatic rice hybrid developed for high yield and grain quality.

 

Q.84. First hybrid of pigeonpea in the world is?

(विश्व का पहला अरहर संकर कौन-सा है?)

  1. PUSA-Arhar
  2. PUSA HR-1
  3. ICPH-10
  4. ICPH-8

Answer:- D. ICPH-8

Explanation:- ICPH-8 is recognized as the first commercial hybrid pigeonpea developed using cytoplasmic-nuclear male sterility technology.

 

Q.85. Pahala blight of sugarcane is caused by the deficiency of?

(गन्ने में पहाला ब्लाइट किस तत्व की कमी से होता है?)

  1. Fe
  2. Cu
  3. Mn
  4. Zn

Answer:- C. Mn

Explanation:- Manganese deficiency in sugarcane is associated with characteristic leaf symptoms and disorders including Pahala-type blight symptoms.

 

Q.86. The total amount of water present in the soil is called?

(मिट्टी में उपस्थित कुल जल की मात्रा को क्या कहते हैं?)

  1. Echard
  2. Chesard
  3. Holard
  4. None of these

Answer:- C. Holard

Explanation:- Holard refers to the total amount of water present in the soil under a given condition.

 

Q.87. The Central Arid Zone Research Institute (CAZRI) was established in?

(केंद्रीय शुष्क क्षेत्र अनुसंधान संस्थान (CAZRI) की स्थापना कब हुई?)

  1. 1952
  2. 1957
  3. 1959
  4. 1961

Answer:- C. 1959

Explanation:- CAZRI was established in 1959 at Jodhpur to conduct research on agriculture and natural resource management in arid regions.

 

Q.88. ICARDA was established in?

(ICARDA की स्थापना कब हुई?)

  1. 1957
  2. 1967
  3. 1977
  4. 1987

Answer:- C. 1977

Explanation:- ICARDA, the International Center for Agricultural Research in the Dry Areas, was established in 1977 to address agricultural challenges in dry areas.

 

Q.89. Which fruit has the highest fat content?

(सबसे अधिक वसा किस फल में होती है?)

  1. Avocado
  2. Date palm
  3. Custard apple
  4. Mango

Answer:- A. Avocado

Explanation:- Avocado is an oil-rich fruit and contains substantially more fat than most commonly consumed fruits.

 

Q.90. Optimum sowing depth for most field crops is?

(अधिकांश फसलों की उपयुक्त बुवाई गहराई कितनी होती है?)

  1. 3–5 cm
  2. 1–3 cm
  3. 7–8 cm
  4. 5–8 cm

Answer:- A. 3–5 cm

Explanation:- A sowing depth of about 3–5 cm is suitable for many field crops, though the exact depth varies with crop and soil conditions.

 

Q.91. Plant population per hectare of maize crop is?

(मक्का की प्रति हेक्टेयर पौध संख्या कितनी होती है?)

  1. 55,000
  2. 67,000
  3. 83,000
  4. 3,33,000

Answer:- B. 67,000

Explanation:- A plant population of around 67,000 plants per hectare is commonly used for maize under suitable agronomic conditions.

 

Q.92. First agronomic research was started by?

(सर्वप्रथम एग्रोनॉमिक अनुसंधान किसने प्रारम्भ किया?)

  1. Liebig
  2. Borlaug
  3. J. B. Boussingault
  4. None of these

Answer:- C. J. B. Boussingault

Explanation:- J. B. Boussingault is regarded as a pioneer of modern agronomic research because of his systematic field experiments on plant nutrition and crop production.

 

Q.93. Nursery area required for paddy is?

(धान की नर्सरी के लिए कुल क्षेत्रफल का कितना भाग आवश्यक होता है?)

  1. 1/10 of total area
  2. 1/8 of total area
  3. 1/16 of total area
  4. 1/5 of total area

Answer:- A. 1/10 of total area

Explanation:- Traditionally, about one-tenth of the main field area is required for raising a transplanted rice nursery.

 

Q.94. Rice Today magazine is published by?

(Rice Today पत्रिका किसके द्वारा प्रकाशित की जाती है?)

  1. FAO, Rome
  2. IRRI, Philippines
  3. IARI, New Delhi
  4. All of the above

Answer:- B. IRRI, Philippines

Explanation:- Rice Today is a magazine published by the International Rice Research Institute (IRRI) in the Philippines.

 

Q.95. Which species of sugarcane is known as Noble cane?

(गन्ने की कौन-सी प्रजाति नोबल केन कहलाती है?)

  1. Saccharum barberi
  2. Saccharum sinense
  3. Saccharum officinarum
  4. Saccharum spontaneum

Answer:- C. Saccharum officinarum

Explanation:- Saccharum officinarum is known as Noble cane and is characterized by thick, juicy and high-sugar stalks.

 

Q.96. Which of the following phosphate fertilizers is water soluble?

(निम्न में से कौन-सा फॉस्फेट उर्वरक जल में घुलनशील है?)

  1. Rock phosphate
  2. Di-calcium phosphate
  3. Rhenania phosphate
  4. Di-ammonium phosphate

Answer:- D. Di-ammonium phosphate (DAP)

Explanation:- Diammonium phosphate (DAP) is a water-soluble phosphate fertilizer containing nitrogen and phosphorus.

 

Q.97. Puddling is done to?

(पडलिंग किस उद्देश्य से की जाती है?)

  1. Kill weeds
  2. Reduce percolation of water
  3. Pulverize and level the soil
  4. All of the above

Answer:- D. All of the above

Explanation:- Puddling destroys weeds, breaks soil aggregates, levels the soil and reduces water percolation, making it suitable for transplanted rice.

 

Q.98. Luxury consumption is associated with excess uptake of which nutrient?

(लक्ज़री कंजम्प्शन किस पोषक तत्व के अधिक अवशोषण से संबंधित है?)

  1. Sulphur (S)
  2. Potassium (K)
  3. Phosphorus (P)
  4. Nitrogen (N)

Answer:- B. Potassium (K)

Explanation:- Luxury consumption refers to excessive uptake of a nutrient, especially potassium, beyond the amount required for maximum growth without further yield increase.

 

Q.99. Hans Molisch is associated with?

(हांस मोलिश किस अवधारणा से जुड़े हैं?)

  1. Allelopathy
  2. Competition
  3. Eutrophication
  4. Allelomediation

Answer:- A. Allelopathy

Explanation:- Hans Molisch introduced the term allelopathy to describe biochemical interactions between plants and other organisms.

 

Q.100. One hectare-centimetre (ha-cm) of water is equal to?

(एक हेक्टेयर-सेमी जल कितने लीटर के बराबर होता है?)

  1. 1,000 litres
  2. 10,000 litres
  3. 1,00,000 litres
  4. 10,00,000 litres

Answer:- C. 1,00,000 litres

Explanation:- One hectare-centimetre represents 10,000 m² × 0.01 m = 100 m³, which equals 1,00,000 litres of water.

 

Important Agriculture MCQs – Test 02 | 1000 MCQ Series

 

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