Agriculture Mega MCQ Test – Test 10 | 1000 MCQ Series

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Agriculture Mega MCQ Test – Test 10 | 1000 MCQ Series

Agriculture Mega MCQ Test – Test 10 | 1000 MCQ Series

Agriculture Mega MCQ Test – Test 10 | 1000 MCQ Series

Q.451. The aim of topping and desuckering in tobacco is?

(तम्बाकू में टॉपिंग एवं डीसकरिंग (Desuckering) का मुख्य उद्देश्य क्या है?)

  1. Reduce the plant height
  2. Divert the energy and nutrients to leaves
  3. Increase the horizontal branching of plant
  4. Protect the plants against lodging

Answer:- B. Divert the energy and nutrients to leaves

Explanation:- Topping and desuckering divert plant energy and nutrients toward leaf development and quality.

 

Q.452. One acre is equal to?

(एक एकड़ (Acre) कितने हेक्टेयर के बराबर होता है?)

  1. 0.603 ha
  2. 0.040 ha
  3. 0.404 ha
  4. 1.8 ha

Answer:- C. 0.404 ha

Explanation:- One acre is approximately equal to 0.404 hectare.

 

Q.453. Seed tuber rate for potato is?

(आलू की बीज कंद (Seed Tuber) की अनुशंसित मात्रा कितनी होती है?)

  1. 5–10 q/ha
  2. 10–15 q/ha
  3. 20–25 q/ha
  4. 25–30 q/ha

Answer:- C. 20–25 q/ha

Explanation:- The recommended seed tuber rate for potato is about 20–25 quintals per hectare.

 

Q.454. Silicon is the ______ most abundant element in the Earth’s crust.

(पृथ्वी की भू-पर्पटी (Earth’s Crust) में सिलिकॉन प्रचुरता की दृष्टि से कौन-सा तत्व है?)

  1. Third
  2. Fourth
  3. Sixth
  4. Second

Answer:- D. Second

Explanation:- Silicon is the second most abundant element in the Earth’s crust after oxygen.

 

Q.455. Who is known as the “Waterman of India”?

(“भारत के वाटरमैन” (Waterman of India) के नाम से किसे जाना जाता है?)

  1. Rajendra Prasad
  2. Ramdas
  3. Ambika Singh
  4. Rajendra Singh

Answer:- D. Rajendra Singh

Explanation:- Rajendra Singh is popularly known as the “Waterman of India” for his work in water conservation and watershed management.

 

Q.456. Which one of the following is a polyphagous pest?

(निम्नलिखित में से कौन-सा बहुभक्षी (Polyphagous) कीट है?)

  1. Termite
  2. Mango hopper
  3. Mango nut weevil
  4. Rice stem borer

Answer:- A. Termite

Explanation:- Termites are polyphagous pests that feed on a wide range of plant materials and crops.

 

Q.457. Genetic purity of nucleus seed is?

(न्यूक्लियस बीज (Nucleus Seed) की आनुवंशिक शुद्धता कितनी होती है?)

  1. 99%
  2. 98%
  3. 99.5%
  4. 100%

Answer:- D. 100%

Explanation:- Nucleus seed is the original seed maintained with 100% genetic purity under breeder supervision.

 

Q.458. Pure-line theory was proposed by?

(शुद्ध वंश सिद्धांत (Pure Line Theory) किसने प्रतिपादित किया था?)

  1. John
  2. Mendel
  3. Johannsen
  4. Swaminathan

Answer:- C. Johannsen

Explanation:- W. L. Johannsen proposed the Pure Line Theory in plant breeding based on studies of beans.

 

Q.459. ‘Lalit’ is a variety of which fruit crop?

(‘ललित’ किस फल फसल की एक किस्म है?)

  1. Grape
  2. Pomegranate
  3. Guava
  4. Lemon

Answer:- C. Guava

Explanation:- ‘Lalit’ is an improved variety of guava developed for quality fruit production.

 

Q.460. Lactose can be manufactured from?

(लैक्टोज किससे प्राप्त किया जाता है?)

  1. Sugarcane
  2. Sugarbeet
  3. Milk
  4. Soymilk

Answer:- C. Milk

Explanation:- Lactose is the principal sugar naturally present in milk and is commercially obtained from milk or whey.

 

Q.461. Amount of nitrogen (N) in thiourea is?

(थायोयूरिया (Thiourea) में नाइट्रोजन की मात्रा कितनी होती है?)

  1. 60%
  2. 37%
  3. 54%
  4. 36.8%

Answer:- D. 36.8%

Explanation:- Thiourea contains approximately 36.8% nitrogen by weight.

 

Q.462. Which element is known as the “Chemical Policeman of Plant”?

(पौधों का “Chemical Policeman” किस तत्व को कहा जाता है?)

  1. Phosphorus (P)
  2. Nitrogen (N)
  3. Potassium (K)
  4. Magnesium (Mg)

Answer:- C. Potassium (K)

Explanation:- Potassium is called the “Chemical Policeman of Plant” because it regulates many physiological processes and improves plant resistance.

 

Q.463. Linseed can be used as which type of crop?

(अलसी (Linseed) का उपयोग किस प्रकार की फसल के रूप में किया जाता है?)

  1. Fibre crop
  2. Oilseed crop
  3. Oilseed and fibre crop
  4. None of these

Answer:- C. Oilseed and fibre crop

Explanation:- Linseed is cultivated both for its oil-rich seeds and for fibre obtained from its stem.

 

Q.464. Application of nitrogen in cowpea at the time of planting is known as?

(लोबिया (Cowpea) में बुवाई के समय नाइट्रोजन देने को क्या कहा जाता है?)

  1. Basal dose
  2. Starter dose
  3. Additional dose
  4. Synergestic dose

Answer:- B. Starter dose

Explanation:- A small amount of nitrogen applied to legumes at planting is called a starter dose and supports early growth before effective nodulation.

 

Q.465. Brassica juncea is?

(Brassica juncea किसे कहा जाता है?)

  1. Yellow sarson
  2. Indian mustard
  3. Karan rai
  4. Gobhi sarson

Answer:- B. Indian mustard

Explanation:- Brassica juncea is commonly known as Indian mustard or brown mustard.

 

Q.466. The heat of combustion of one mole of glucose is approximately?

(एक मोल ग्लूकोज़ के दहन से लगभग कितनी ऊर्जा प्राप्त होती है?)

  1. 12 kcal
  2. 40 kcal
  3. 686 kcal
  4. 343 kcal

Answer:- C. 686 kcal/mol

Explanation:- Complete combustion of one mole of glucose releases approximately 686 kcal of energy.

 

Q.467. Percent of lint in seed cotton is?

(सीड कॉटन में लिंट (Lint) का प्रतिशत लगभग कितना होता है?)

  1. 10%
  2. 33%
  3. 60%
  4. 80%

Answer:- B. 33%

Explanation:- Lint generally constitutes about one-third, or approximately 33%, of seed cotton weight.

 

Q.468. Rambler is a variety of which crop?

(‘Rambler’ किस फसल की एक किस्म है?)

  1. Lucerne
  2. Cowpea
  3. Napier grass
  4. None of these

Answer:- A. Lucerne

Explanation:- Rambler is a variety of lucerne (alfalfa), an important perennial forage crop.

 

Q.469. Chewing and lapping type of mouthparts are present in?

(कुतरने एवं चाटने (Chewing and Lapping) प्रकार के मुखांग किसमें पाए जाते हैं?)

  1. Housefly
  2. Beetles
  3. Cockroach
  4. Honeybees

Answer:- D. Honeybees

Explanation:- Honeybees possess chewing and lapping mouthparts adapted for manipulating wax and collecting nectar.

 

Q.470. All silkworms belong to which insect order?

(सभी रेशमकीट (Silkworms) किस कीट गण (Order) से संबंधित हैं?)

  1. Hemiptera
  2. Coleoptera
  3. Lepidoptera
  4. Hymenoptera

Answer:- C. Lepidoptera

Explanation:- Silkworms are larvae of moths and belong to the insect order Lepidoptera.

 

Q.471. Which one is used for controlling mites?

(माइट्स (Mites) के नियंत्रण के लिए किसका उपयोग किया जाता है?)

  1. Fungicides
  2. Nematicides
  3. Acaricides
  4. Avicides

Answer:- C. Acaricides

Explanation:- Acaricides are pesticides specifically used for controlling mites and ticks.

 

Q.472. Immature stage of Rice Gundhi Bug is called?

(धान के गंधी बग (Rice Gundhi Bug) की अपरिपक्व अवस्था को क्या कहते हैं?)

  1. Grub
  2. Maggot
  3. Nymph
  4. Naiad

Answer:- C. Nymph

Explanation:- Rice gundhi bug is a true bug, so its immature stage is called a nymph.

 

Q.473. White Rust of vegetable crops is caused by?

(सब्जी फसलों का व्हाइट रस्ट (White Rust) रोग किसके कारण होता है?)

  1. Pythium sp.
  2. Albugo candida
  3. Phoma lingam
  4. None of the above

Answer:- B. Albugo candida

Explanation:- White rust of cruciferous vegetables is caused by the oomycete pathogen Albugo candida.

 

Q.474. In which method of seed sowing are seeds sown at the required depth in holes?

(किस बुवाई विधि में बीजों को निश्चित गहराई पर अलग-अलग गड्ढों में बोया जाता है?)

  1. Dibbling
  2. Line sowing
  3. Broadcasting
  4. Behind local plough

Answer:- A. Dibbling

Explanation:- In dibbling, seeds are placed individually in holes at a predetermined depth and spacing.

 

Q.475. Volume of liquid handled by a high-volume sprayer is?

(हाई वॉल्यूम स्प्रेयर द्वारा सामान्यतः कितनी मात्रा में स्प्रे घोल का उपयोग किया जाता है?)

  1. More than 400 litres
  2. More than 500 litres
  3. More than 1000 litres
  4. 1000 litres

Answer:- A. More than 400 litres

Explanation:- High-volume sprayers generally apply more than 400 litres of spray liquid per hectare.

 

Q.476. Which of the following is NOT a micronutrient?

(निम्नलिखित में से कौन-सा सूक्ष्म पोषक तत्व (Micronutrient) नहीं है?)

  1. Iron
  2. Zinc
  3. Nickel
  4. Magnesium

Answer:- D. Magnesium

Explanation:- Magnesium is a macronutrient, whereas iron, zinc and nickel are essential micronutrients.

 

Q.477. Vodka is traditionally prepared mainly from which crop?

(वोडका पारंपरिक रूप से मुख्यतः किस फसल से तैयार की जाती है?)

  1. Grape
  2. Potato
  3. Apple
  4. Barley

Answer:- B. Potato

Explanation:- Potato is one of the traditional raw materials used for producing vodka, particularly in Eastern Europe.

 

Q.478. Which material is the major source of nitrogen in soil?

(मृदा में नाइट्रोजन का प्रमुख स्रोत कौन-सा है?)

  1. Olivine
  2. Pyrolusite
  3. Tourmaline
  4. Organic Matter

Answer:- D. Organic Matter

Explanation:- Soil organic matter is the major reservoir and source of nitrogen released through mineralization.

 

Q.479. Which day is celebrated as Kisan Diwas (National Farmers’ Day) in India?

(भारत में किसान दिवस (Kisan Diwas) कब मनाया जाता है?)

  1. 5th December
  2. 16th October
  3. 23rd December
  4. 3rd December

Answer:- C. 23rd December

Explanation:- National Farmers’ Day is observed in India on 23 December to commemorate the birth anniversary of Chaudhary Charan Singh.

 

Q.480. Total geographical area of India is approximately?

(भारत का कुल भौगोलिक क्षेत्रफल लगभग कितना है?)

  1. 329 mha
  2. 143 mha
  3. 107 mha
  4. 134 mha

Answer:- A. 329 mha

Explanation:- India’s total geographical area is approximately 328.7 million hectares, commonly rounded to 329 mha.

 

Q.481. Which fruit crop is beneficial for growing in wasteland?

(बंजर भूमि में उगाने के लिए कौन-सी फल फसल लाभदायक है?)

  1. Ber
  2. Litchi
  3. Guava
  4. Banana

Answer:- A. Ber

Explanation:- Ber is hardy, drought tolerant and can grow successfully under marginal and wasteland conditions.

 

Q.482. Optimum temperature required for wheat and barley is?

(गेहूँ एवं जौ के लिए आवश्यक optimum तापमान कितना होता है?)

  1. 15°C
  2. 20°C
  3. 29°C
  4. 4.5°C

Answer:- B. 20°C

Explanation:- Wheat and barley are cool-season cereals and generally perform well around 20°C during active growth.

 

Q.483. Powdery mildew disease of mango is caused by which pathogen?

(आम का पाउडरी मिल्ड्यू रोग किस रोगजनक के कारण होता है?)

  1. Leveillula sp.
  2. Oidium mangiferae
  3. Phoma lingam
  4. Uncinula sp.

Answer:- B. Oidium mangiferae

Explanation:- Mango powdery mildew is caused by the fungus Oidium mangiferae.

 

Q.484. Hand collection of insects is a?

(कीटों को हाथ से एकत्र करना किस विधि का उदाहरण है?)

  1. Biological method
  2. Chemical method
  3. Mechanical method
  4. Physical method

Answer:- C. Mechanical method

Explanation:- Hand collection physically removes insects from plants and is classified as a mechanical control method.

 

Q.485. The book “Extension Education” is written by?

(“Extension Education” पुस्तक के लेखक कौन हैं?)

  1. A. S. Sandhu
  2. A. Adivi Reddy
  3. G. L. Reddy
  4. S. V. Supe

Answer:- B. A. Adivi Reddy

Explanation:- A. Adivi Reddy is a well-known author of the book “Extension Education”.

 

Q.486. Which one of the following is an inorganic sulphur compound used as fungicide?

(निम्नलिखित में से कौन-सा अकार्बनिक सल्फर यौगिक कवकनाशी के रूप में प्रयोग किया जाता है?)

  1. Thiram
  2. Lime Sulphur
  3. Ferbam
  4. Maneb

Answer:- B. Lime Sulphur

Explanation:- Lime sulphur is an inorganic sulphur fungicide prepared from sulphur and lime and is used against several fungal diseases.

 

Q.487. The highly wind erosion affected state in India is?

(भारत में पवन अपरदन से सर्वाधिक प्रभावित राज्य कौन-सा है?)

  1. M.P.
  2. A.P.
  3. Gujarat
  4. Rajasthan

Answer:- D. Rajasthan

Explanation:- Rajasthan is highly affected by wind erosion because of its extensive arid and semi-arid regions and sandy soils.

 

Q.488. Example of Ketose sugar is?

(कीटोज शर्करा (Ketose sugar) का उदाहरण कौन-सा है?)

  1. Glucose
  2. Fructose
  3. Ribose
  4. Galactose

Answer:- B. Fructose

Explanation:- Fructose is a six-carbon ketose sugar containing a ketone functional group.

 

Q.489. In pomology, the word “pomum” is derived from?

(Pomology में “pomum” शब्द किस भाषा से लिया गया है?)

  1. French term
  2. Spanish term
  3. Latin term
  4. Greek term

Answer:- C. Latin term

Explanation:- The term “pomology” is derived from the Latin word “pomum”, meaning fruit.

 

Q.490. It is the largest phylum of Animal Kingdom?

(जंतु जगत का सबसे बड़ा संघ (Phylum) कौन-सा है?)

  1. Arthropod
  2. Porifera
  3. Annelida
  4. Echinodermata

Answer:- A. Arthropod

Explanation:- Arthropoda is the largest animal phylum and includes insects, arachnids, crustaceans and myriapods.

 

Q.491. Which of the following climate classification was modified by ICRISAT?

(निम्नलिखित में से किस जलवायु वर्गीकरण में ICRISAT द्वारा संशोधन किया गया था?)

  1. Troll
  2. Thornthwaite
  3. Lang
  4. Martonnes

Answer:- A. Troll

Explanation:- ICRISAT modified Troll’s climatic classification for agricultural and crop production studies in semi-arid regions.

 

Q.492. Fire blight of pears and apples is caused by?

(नाशपाती एवं सेब का फायर ब्लाइट रोग किसके कारण होता है?)

  1. Ralstonia amylovora
  2. Erwinia amylovora
  3. Clavibacter michiganensis
  4. Venturia inaequalis

Answer:- B. Erwinia amylovora

Explanation:- Fire blight of apple and pear is a bacterial disease caused by Erwinia amylovora.

 

Q.493. All India Coordinated Maize Improvement Project was started in?

(अखिल भारतीय समन्वित मक्का सुधार परियोजना कब शुरू की गई थी?)

  1. 1965
  2. 1955
  3. 1957
  4. 1967

Answer:- C. 1957

Explanation:- The All India Coordinated Maize Improvement Project was initiated in 1957 to coordinate maize improvement research in India.

 

Q.494. Mustard crop planted at a spacing of 50 × 20 cm will have how many plants/ha?

(50 × 20 सेमी की दूरी पर बोई गई सरसों में प्रति हेक्टेयर कितने पौधे होंगे?)

  1. 120,000
  2. 80,000
  3. 1,00,000
  4. 1,52,000

Answer:- C. 1,00,000

Explanation:- Plant population = 10,000 m² ÷ (0.50 × 0.20 m²) = 100,000 plants/ha.

 

Q.495. Which crop is known as Golden Fibre?

(किस फसल को गोल्डन फाइबर (Golden Fibre) कहा जाता है?)

  1. Cotton
  2. Jute
  3. Silk
  4. Alsi

Answer:- B. Jute

Explanation:- Jute is called the Golden Fibre because of its golden-brown colour and high economic value as a natural fibre.

 

Q.496. The lower limit of available soil moisture to plants is termed as?

(पौधों के लिए उपलब्ध मृदा नमी की निचली सीमा को क्या कहते हैं?)

  1. FC
  2. PWP
  3. Hygroscopic coefficient
  4. Temporary wilting point

Answer:- B. PWP

Explanation:- Permanent Wilting Point (PWP) represents the lower limit of soil water considered available to most plants.

 

Q.497. Crop grown for sale and bring money immediately is termed as?

(बिक्री करके तुरंत आय प्राप्त करने के लिए उगाई जाने वाली फसल को क्या कहते हैं?)

  1. Catch crop
  2. Cash crop
  3. Trap crop
  4. All of the above

Answer:- B. Cash crop

Explanation:- A cash crop is primarily cultivated for sale and generation of monetary income rather than direct consumption.

 

Q.498. The king of green manure crop is?

(हरी खाद की फसलों का राजा किसे कहा जाता है?)

  1. Sannhemp
  2. Cowpea
  3. Dhaincha
  4. Guar

Answer:- A. Sannhemp

Explanation:- Sunnhemp is popularly known as the king of green manure crops because of its high biomass production and good nitrogen contribution.

 

Q.499. Fruit bearing branches in cotton are known as?

(कपास में फल देने वाली शाखाओं को क्या कहा जाता है?)

  1. Monopodial
  2. Sympodial
  3. Monoecious
  4. All of the above

Answer:- B. Sympodial

Explanation:- Sympodial branches of cotton are determinate fruiting branches that bear flowers and bolls.

 

Q.500. Male flower of maize is known as?

(मक्का के नर पुष्पक्रम को क्या कहा जाता है?)

  1. Tassel
  2. Silk
  3. Cob
  4. Disc

Answer:- A. Tassel

Explanation:- The tassel is the terminal male inflorescence of maize, while the cob bears the female flowers and silks.

 

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