Top 50 Agriculture MCQs – Test 12 | 1000 MCQ Series

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Top 50 Agriculture MCQs – Test 12 | 1000 MCQ Series

Top 50 Agriculture MCQs – Test 12 | 1000 MCQ Series

Top 50 Agriculture MCQs – Test 12 | 1000 MCQ Series

Q.551. Rent theory of profit was given by?

(लाभ का लगान सिद्धांत को किसने दिया था?)

  1. Hawley
  2. Tanssig
  3. C. P. Blacker
  4. F. A. Walker

Answer:- 4. F. A. Walker

Explanation:- F. A. Walker proposed the Rent Theory of Profit, which explains profit as a reward for entrepreneurial ability and risk-bearing.

 

Q.552. Highest porosity is found in?

(सर्वाधिक सरंध्रता किस मृदा में पाई जाती है?)

  1. Sand
  2. Clay
  3. Gravel
  4. Silt

Answer:- 2. Clay

Explanation:- Clay soil has the highest total porosity because its fine particles create numerous small pore spaces.

Soil Pore space
Sandy 20-30%
Loamy 30-50%
Clay 50-60%

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Q.553. The origin of Taungya system is?

(टौंग्या प्रणाली का उद्गम कहाँ हुआ?)

  1. South Africa
  2. India
  3. Myanmar
  4. China

Answer:- 3. Myanmar

Explanation:- 

The Taungya system is a modified form of shifting cultivation where agricultural crops are grown between rows of young forest trees during the early stages of establishment

Origin: The word Taungya is derived from the Burmese language, where taung means “hill” and ya means “cultivation” (coined in Burma around 1850).

 

Q.554. The scientific name of erect type of groundnut is?

(मूंगफली के erect प्रकार का वैज्ञानिक नाम क्या है?)

  1. Arachis hypogaea subspecies gigantea
  2. Arachis hypogaea subspecies procumbens
  3. Arachis hypogaea subspecies fastigiata
  4. Arachis hypogaea subspecies oleifera

Answer:- 3. Arachis hypogaea subspecies fastigiata

Explanation:- The erect bunch type of groundnut belongs to the subspecies Arachis hypogaea subsp. fastigiata.

  Questions Answers
1 Botanical name
a. Bunchy type /Spanish/Erect type Arachis hypogea fastigate 
b. Spreading / Runner type   Arachis hypogea procumbens 
2 Family Papilionaceae (leguminacy)
3 Origin  Brazil
4 Chromosome no.  2n= 40
5 Bitterness of groundnut due to Aflatoxin

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Q.555. Which of the following is commonly used for green manuring in India?

(भारत में हरी खाद के लिए सामान्यतः किसका उपयोग किया जाता है?)

  1. Lentil
  2. Dhaincha
  3. Pea
  4. Potato

Answer:- 2. Dhaincha

Explanation:- Dhaincha (Sesbania aculeata) is widely used as a green manure crop because it adds organic matter and nitrogen to soil.

 

Q.556. Which irrigation project comes under the major irrigation project on the basis of land in hectare?

(क्षेत्रफल के आधार पर प्रमुख सिंचाई परियोजना में कौन-सी परियोजना आती है?)

  1. > 10,000 ha
  2. 2,000–10,000 ha
  3. < 2,000 ha
  4. 100–1,000 ha

Answer:- 1. > 10,000 ha

Explanation:- A major irrigation project is one that has a cultivable command area of more than 10,000 hectares.

 CCA: – Culturable Commend Area

Project Type CCA (hectare) Project Cost (Rs.)
Major Irrigation Project More than 10,000 ha More than ₹50 Crore
Medium Irrigation Project 2,000 – 10,000 ha ₹25 Lakh – ₹5 Crore
Minor Irrigation Project Less than 2,000 ha Less than ₹25 Lakh

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Q.557. Central Inland Fisheries Research Institute is situated at?

(केंद्रीय अंतर्देशीय मत्स्य अनुसंधान संस्थान कहाँ स्थित है?)

  1. Kochi
  2. Nagpur
  3. Lucknow
  4. Barrackpore

Answer:- 4. Barrackpore

Explanation:- ICAR-Central Inland Fisheries Research Institute (CIFRI) is located at Barrackpore, West Bengal.

  • Central Institute of Fisheries Education (CIFE), Mumbai
  • Central Marine Fisheries Research Institute (CMFRI), Kochi
  • Central Inland Fisheries Research Institute (CIFRI), Barrackpore
  • Central Institute of Fisheries Technology (CIFT), Kochi
  • National Fisheries Development Board (NFDB), Hyderabad
  • Central Institute of Fisheries Nautical & Engineering Training (CIFNET), Kochi
  • National Institute of Fisheries Post Harvest Technology and Training (NIFPHATT), Kochi
  • Central Institute of Brackishwater Aquaculture (CIBA), Chennai
  • National Institute of Ocean Technology (NIOT), Chennai
  • Central Institute of Freshwater Aquaculture (CIFA), Bhubaneswar

 

Q.558. On the basis of International Society of Soil Science (ISSS), which of the following is the size of fine sand?

(International Society of Soil Science (ISSS) के अनुसार fine sand का आकार कितना होता है?)

  1. 0.2–0.02 mm
  2. 0.025–0.05 mm
  3. 0.002–0.0002 mm
  4. 0.05–0.005 mm

Answer:- 1. 0.2–0.02 mm

Explanation:- According to the ISSS system, fine sand falls within the particle-size range of 0.2–0.02 mm.

Classification of Soil Particle Size

Classification Diameter (mm) (AgriExam.Com)
IISS USDA
Gravel >2.0 >2.0
Coarse Sand 0.2 – 2.0 0.5 – 1.0
Fine Sand 0.02 – 0.2 0.1 – 0.25
Silt 0.002 – 0.02 0.002 – 0.05
Clay <0.002 <0.002

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Q.559. The head office of NABARD is situated at?

(NABARD का मुख्यालय कहाँ स्थित है?)

  1. Mumbai
  2. New Delhi
  3. Jaipur
  4. Chennai

Answer:- 1. Mumbai

Explanation:- The head office of the National Bank for Agriculture and Rural Development (NABARD) is located in Mumbai, Maharashtra.

NABARD – National Bank for Agriculture and Rural Development

Established: 12 July 1982
Headquarters: Mumbai, Maharashtra
Ownership: Fully owned by the Government of India
Basis: NABARD Act, 1981, following the recommendations of the B. Sivaraman Committee (CRAFICARD).

Main Role

NABARD is the apex development financial institution for promoting agriculture and rural development in India.

Core Functions

  1. Refinance 
  2. Rural Development
  3. Supervision
  4. Financial Inclusion
  5. Infrastructure Development

 

Q.560. Regular bearing variety of mango is?

(नियमित फलन वाली आम की किस्म कौन-सी है?)

  1. Amarapali
  2. Langra
  3. Mallika
  4. Dashehari

Answer:- 1. Amarapali

Explanation:- Amrapali is a regular-bearing, dwarf mango variety developed from Dashehari × Neelum.

Regular-Bearing Mango Varieties

These mango varieties are known for consistent/regular annual bearing:

  1. Neelum – Medium-sized, oval-oblong fruits; sweet, aromatic, fibreless yellow flesh.
  2. Amrapali – Dwarf hybrid of Dashehari × Neelum; excellent for high-density planting and regular bearing.
  3. Bangalora (Totapuri) – Prolific commercial variety, especially important in South India.
  4. Banganapalli (Benishan) – Large fruits with firm, sweet, fibreless flesh; an important commercial variety.
  5. Pairy (Pairi) – Early-season variety, valued for its distinctive flavour and juice.

Most important:
Amrapali = Dashehari × Neelum
Amrapali = dwarf + regular bearing + high-density planting

 

Q.561. The hybrid variety of mango obtained from cross of Neelam × Alphonso is?

(नीलम × अल्फांसो के संकरण से प्राप्त आम की संकर किस्म कौन-सी है?)

  1. Amrapali
  2. Mallika
  3. Sindhu
  4. Ratna

Answer:- 3. Sindhu

Explanation:- Sindhu is a mango hybrid developed from the cross of Ratna × Alphonso; the given source question identifies it with Neelam × Alphonso.

  Parents Hybrid​ (trick)
1 Dasheri × Neelam Amrapali (DNA)
2 Neelam × Dasheri  Mallika (NDM)
3 Neelam × Alphanso Ratna (NAR)
4 Ratna × Alphanso Sindhu (RAS)
5 Banganpalli × Alphanso Arka Aruna (BAA)
6 Alphanso × Banganpalli Arka Puneet (ABA)
7 Neelam × Chausa  H-59 (NCH)
8 Neelam × Langra H-61 (NLH)
9 Alphanso × Janardan Prasad Arka Anmol (AJA)
10 Amrapali. × Janardan Prasad Aam shankar 1084 (AJA)
11 Totapuri × Kesar Sai Sugandha (TKS)

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Q.562. ‘Arka Niketan’ is a variety of which crop?

(‘Arka Niketan’ किस फसल की किस्म है?)

  1. Onion
  2. Garlic
  3. Potato
  4. Brinjal

Answer:- 1. Onion

Explanation:- 

Arka Niketan is a high-yielding, premium onion variety developed by the Indian Institute of Horticultural Research (IIHR), Bangalore

 

Q.563. Which type of seed is directly used by farmers for commercial crop production?

(व्यावसायिक फसल उत्पादन के लिए किसान सीधे किस प्रकार के बीज का उपयोग करते हैं?)

  1. Foundation seed
  2. Breeder seed
  3. Nucleus seed
  4. Certified seed

Answer:- 4. Certified seed

Explanation:- Certified Seed is the seed class generally supplied to farmers for commercial crop production. It is produced from Foundation Seed under prescribed standards of seed certification to maintain genetic purity, physical purity, and quality.

 

Q.564. The weed Echinochloa colona is commonly associated with which crop?

(Echinochloa colona खरपतवार सामान्यतः किस फसल के साथ पाया जाता है?)

  1. Maize
  2. Rice
  3. Jowar
  4. Bajra

Answer:- 2. Rice

Explanation:- Echinochloa colona, commonly called jungle rice, is an important weed of rice fields.

Key Agronomic Facts for AgriExams

Parameter Exam-Oriented Fact
Scientific Name Echinochloa colona (L.) Link
Common Names Jungle rice, Awnless barnyard grass, Deccan grass
Family Poaceae (Gramineae)
Life Cycle & Type Summer annual C4 grass
Primary Habitat Upland and rainfed lowland rice fields (prefers moist but unflooded soils)
Ancestor of Crop It is the wild ancestor of Sawa millet (Echinochloa frumentacea).

 

Q.565. The colour of lower triangle in highly toxic insecticide labels is?

(अत्यधिक विषैले कीटनाशी के लेबल में निचले त्रिभुज का रंग क्या होता है?)

  1. Blue
  2. Red
  3. Green
  4. Yellow

Answer:- 4. Yellow

Explanation:- In the older Indian pesticide colour-coding system, yellow indicates highly toxic pesticides.

Classification of insecticides

Classification of insecticides Oral acute toxicity LD₅₀ (mg/kg body weight) Dermal toxicity LD₅₀ (mg/kg body weight) Identification band colour
1. Extremely toxic 1–50 1–200 Bright red
2. Highly toxic 51–500 201–2000 Bright yellow
3. Moderately toxic 501–5000 2001–20,000 Bright blue
4. Slightly toxic More than 5000 More than 20,000 Bright green

Easy way to remember:
🔴 Red → Extremely toxic
🟡 Yellow → Highly toxic
🔵 Blue → Moderately toxic
🟢 Green → Slightly toxic

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Q.566. The National Seed Corporation (NSC) was established in the year?

(राष्ट्रीय बीज निगम (NSC) की स्थापना किस वर्ष हुई थी?)

  1. 1966
  2. 1945
  3. 1979
  4. 1963

Answer:- 4. 1963

Explanation:- The National Seeds Corporation (NSC) was established in 1963 to support the production and distribution of quality seeds.

Question Answer
Father of Indian Seed Technology / Seed Industry Dr. B. R. Barwale
Father of Seed Testing Friedrich Nobbe
National Seeds Corporation (NSC) established 1963
NSC started functioning July 1963
Indian Seeds Act enacted 29 December 1966
Seeds Rules 1968
Indian Patents Act 1970
Seeds (Amendment) Act 9 September 1972
National Seed Project (NSP) established 1976
Seeds (Control) Order 1983
National Seed Policy 2002
Headquarters of National Seeds Corporation New Delhi
First state to establish an official Seed Certification Agency (1970) Maharashtra
First state to establish an autonomous Seed Certification Agency (1974) Karnataka
ISTA established 10 July 1924
ISTA headquarters Zurich, Switzerland

 

Q.567. The process of removal of husk in rice is known as?

(धान से भूसी हटाने की प्रक्रिया को क्या कहते हैं?)

  1. Polishing
  2. Hulling
  3. Parboiling
  4. Winnowing

Answer:- 2. Hulling

Explanation:-

The process of removal of the outer husk from rice (paddy) is known as hulling (also referred to as dehusking or dehulling).

  • Hulling: “The process of removing husk in rice is known as hulling.” It strips the hard outer hull/husk from rough paddy rice to produce brown rice.
  • Polishing: A subsequent milling step that removes the inner bran layers and germ to produce white rice.
  • Winnowing: The physical method of using wind or airflow to separate the already-loosened, lighter chaff/husk from the heavier grains.

 

Q.568. Who is known as the Father of Zero Budget Natural Farming (ZBNF)?

(शून्य बजट प्राकृतिक खेती (ZBNF) के जनक के रूप में किसे जाना जाता है?)

  1. De Candolle
  2. B. P. Pal
  3. Williams
  4. Subhash Palekar

Answer:- 4. Subhash Palekar

Explanation:-

Subash Palekar (Indian Agriculturist and Padma Shri Recipient) is the father of Zero Budget Natural Farming. He developed it in the mid-1990s as an alternative to the Green Revolution methods.

 

Q.569. Find the correct match.

(सही मिलान का चयन कीजिए।)

  1. Green Revolution — i. Foodgrain production
  2. White Revolution — ii. Milk production
  3. Blue Revolution — iii. Fish production
  4. Yellow Revolution — iv. Oilseed production

A. A-i, B-ii, C-iii, D-iv
B. A-iii, B-i, C-iv, D-ii
C. A-ii, B-iv, C-iii, D-i
D. A-iv, B-ii, C-i, D-iii

Answer:- 1. A-ii, B-iv, C-i, D-iii

Explanation:- Green Revolution is associated with foodgrains, White Revolution with milk, Blue Revolution with fish, and Yellow Revolution with oilseeds.

 

Q.570. Seed coat is derived from?

(बीजावरण (Seed Coat) किससे विकसित होता है?)

  1. Embryo
  2. Testa
  3. Endosperm
  4. Nucleus

Answer:- 2. Testa

Explanation:- The seed coat develops from the integuments of the ovule, with the outer integument forming the testa.

 

Q.571. The ozone formation is occurring in?

(ओजोन का निर्माण किस वायुमंडलीय परत में होता है?)

  1. Troposphere
  2. Stratosphere
  3. Mesosphere
  4. Thermosphere

Answer:- 2. Stratosphere

Explanation:- Most atmospheric ozone is formed in the stratosphere when ultraviolet radiation splits oxygen molecules and produces ozone.

Layer Name Altitude Range (Approx.) Temperature Trend Main Composition/Features
1. Troposphere 0 – 12 km Decreases with height Nitrogen, oxygen, water vapour
2. Stratosphere 12–50 km Increases with height Ozone layer, dry air
3. Mesosphere 50–85 km Decreases with height Thin air, CO₂, O₂, N₂
4. Thermosphere 85–700 km Increases with height Ionized gases
5. Exosphere 700 – 10,000 km Nearly constant/variable Hydrogen, helium

 

Q.572. The natural source of water is?

(जल का प्राकृतिक स्रोत क्या है?)

  1. River
  2. Canals
  3. Rainfall
  4. Lake

Answer:- 3. Rainfall

Explanation:- Rainfall is the primary natural source of water that replenishes rivers, lakes, groundwater and soil moisture.

 

Q.573. The lowest layer of the atmosphere is?

(वायुमंडल की सबसे निचली परत कौन-सी है?)

  1. Troposphere
  2. Stratosphere
  3. Mesosphere
  4. Thermosphere

Answer:- 1. Troposphere

Explanation:- The troposphere is the lowest atmospheric layer and contains most of the atmosphere’s water vapour and weather phenomena.

Top 50 Agriculture MCQs – Test 12 | 1000 MCQ Series

 

Q.574. The surface of the lowest albedo is?

(सबसे कम अल्बीडो वाली सतह कौन-सी है?)

  1. Soil
  2. Water
  3. Vegetation
  4. Ice

Answer:- 1. Soil

Explanation:- Among the given options, soil generally has a lower albedo than vegetation and ice, depending on its colour and moisture status.

 

Q.575. The average rainfall in India has been estimated to be?

(भारत में औसत वर्षा कितनी अनुमानित की गई है?)

  1. 1194 mm
  2. 1294 mm
  3. 1394 mm
  4. 1094 mm

Answer:- 1. 1194 mm

Explanation:- The long-term average annual rainfall of India is commonly given as approximately 1194 mm.

 

Q.576. Tensiometers are suitable for which soils?

(टेंसियोमीटर किस प्रकार की मृदा के लिए उपयुक्त होते हैं?)

  1. Clayey
  2. Sandy
  3. Silty
  4. All of the above

Answer:- 2. Sandy

Explanation:- Tensiometers are particularly useful in sandy and coarse-textured soils for measuring soil-water tension in the readily available range.

 

Q.577. The eco-friendly insecticide is?

(पर्यावरण-अनुकूल कीटनाशी कौन-सा है?)

  1. Thiodan
  2. Malathion
  3. Nimbicidine
  4. Permethrin

Answer:- 3. Nimbicidine

Explanation:- Nimbicidine is neem-based and is considered an eco-friendly botanical insecticide used in integrated pest management.

 

Q.578. The insecticide safely recommended on vegetables is?

(सब्जियों पर सुरक्षित रूप से अनुशंसित कीटनाशी कौन-सा है?)

  1. Aldicarb
  2. Endrin
  3. Malathion
  4. Carbaryl

Answer:- 3. Malathion

Explanation:- Malathion has historically been recommended for several vegetable pests when used according to approved crops, doses and pre-harvest intervals.

 

Q.579. Which is used for seed treatment against sucking pest management?

(चूसक कीटों के प्रबंधन हेतु बीज उपचार में किसका उपयोग किया जाता है?)

  1. Endrin
  2. Diazinon
  3. Fenvalerate
  4. Imidacloprid

Answer:- 4. Imidacloprid

Explanation:- Imidacloprid is a systemic neonicotinoid insecticide commonly used as seed treatment against early-season sucking pests.

 

Q.580. Which of the following Indian States is popularly known as ‘Garden of Spices’?

(निम्नलिखित में से किस भारतीय राज्य को ‘Garden of Spices’ के नाम से जाना जाता है?)

  1. Tamil Nadu
  2. Karnataka
  3. Kerala
  4. Andhra Pradesh

Answer:- 3. Kerala

Explanation:- Kerala is famous for its extensive production of spices and is popularly associated with the title ‘Garden of Spices’.

 

Q.581. Which of the following has the highest requirement of water?

(निम्नलिखित में से किस फसल को पानी की सबसे अधिक आवश्यकता होती है?)

  1. Rice
  2. Maize
  3. Potato
  4. Sugarcane

Answer:- 4. Sugarcane

Explanation:- Sugarcane is a long-duration, high-water-requiring crop and generally needs more water than the other listed crops.

Water Requirements of Major Crops
  • Rice (Paddy): 1200–2500 mm (120–250 cm) total water depth needed for full maturity.
  • Sugarcane: 1500–2500 mm (or up to 2200–3000 mm depending on the region), representing one of the highest water-requiring field crops.
  • Wheat: 450–650 mm (45–65 cm) across its typical growing period.
  • Maize & Sorghum: 500–600 mm to complete grain development.
  • Groundnut: 500–550 mm, with critical needs during the pegging stage.
Key Exam Definitions
  • Delta (Δ): The total water depth required by a crop to attain its full maturity in its base period.
  • Duty (D): It is the number of hectares of land irrigated for full growth of a given crop by a supply of 1 cumec of water continuously during the entire base period of that crop.
  • Consumptive Use: The amount of water used by crop evapotranspiration (evaporation from surrounding soil plus plant transpiration).

 

Q.582. Which one is a seedless variety of mango?

(निम्नलिखित में से आम की बीजरहित किस्म कौन-सी है?)

  1. Arka Puneet
  2. Amrapali
  3. Mallika
  4. Sindhu

Answer:- 4. Sindhu

Explanation:- Sindhu is a mango variety known for its very low fibre content and seedless or nearly seedless fruit character.

Sindhu is the seedless variety of Mango.
• It is a cross between Ratna × Alphonso.
• It is a regular bearer, medium-sized, free from spongy stone.

Additional Information

• Mango is known as the national fruit of India/king of fruits.
• Fruit type of mango: Drupe/stone
• Origin of mango: Indo-Burma
• Edible part: Mesocarp
• India’s rank in mango production: First

 

Q.583. Which of the following is the largest coconut producing state in India?

(भारत में नारियल का सबसे बड़ा उत्पादक राज्य कौन-सा है?)

  1. Maharashtra
  2. Madhya Pradesh
  3. Kerala
  4. Rajasthan

Answer:- 3. Kerala

Explanation:- Kerala has traditionally been one of India’s leading coconut-producing states due to its favourable tropical climate.

 

Q.584. ‘Red rust of tea’ is caused by?

(‘Red rust’ चाय का रोग किसके कारण होता है?)

  1. Bacteria
  2. Fungi
  3. Algae
  4. Virus

Answer:- 3. Algae

Explanation:- Red rust of tea is caused by the parasitic alga Cephaleuros parasiticus.

 

Q.585. Edible part of apple is?

(सेब का खाने योग्य भाग क्या है?)

  1. Endosperm
  2. Cotyledon
  3. Fleshy thalamus
  4. Pericarp

Answer:- 3. Fleshy thalamus

Explanation:- Apple is a pome fruit in which the fleshy edible portion develops mainly from the thalamus or receptacle.

 

Crops/Fruits Fruit Types Edible Parts
Mango Drupe Mesocarp
Ber Drupe Apicarp and Mesocarp
Plum Drupe Apicarp and Mesocarp
Tomato Berry Pericarp and Placenta
Grape Berry Pericarp and Placenta
Papaya Berry Mesocarp
Citrus spp. Hesperidium Endocarpic juicy hairs
Pomegranate Balausta Aril
Apple, Pear Pome Mansal thalamus
Bael Amphisarca  Mesocarp and Endocarp
Cucurbits Pepo Apicarp and Mesocarp
Coconut Nut Endosperm

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Q.586. The term ‘Biology’ was coined by?

(‘Biology’ शब्द किसने दिया था?)

  1. Aristotle
  2. Lamarck
  3. Darwin
  4. Linnaeus

Answer:- 2. Lamarck

Explanation:- The term Biology was independently introduced in 1802 by Jean-Baptiste Lamarck and Gottfried Reinhold Treviranus.

 

Q.587. Who wrote the book “Systema Naturae”?

(“Systema Naturae” पुस्तक किसने लिखी थी?)

  1. Lamarck
  2. Darwin
  3. Aristotle
  4. Linnaeus

Answer:- 4. Linnaeus

Explanation:- Carl Linnaeus wrote Systema Naturae, a foundational work in biological classification and nomenclature.

 

Q.588. Deficiency of vitamin D in children causes?

(बच्चों में विटामिन D की कमी से कौन-सा रोग होता है?)

  1. Anaemia
  2. Beri-beri
  3. Pellagra
  4. Rickets

Answer:- 4. Rickets

Explanation:- Vitamin D deficiency in children causes rickets, characterized by impaired mineralization and weak or deformed bones.

  • Vitamin A Deficiency: Causes “Night blindness”
  • Vitamin B1 Deficiency: Causes “Beriberi”
  • Vitamin B2 Deficiency: Causes “cracking”
  • Vitamin B3 Deficiency: Causes “Whiteness of hairs” and “Pellegra”
  • Vitamin B5 Deficiency: Causes “Pellagra”
  • Vitamin B7 Deficiency: Causes “Paralysis”
  • Vitamin B12 Deficiency: Causes “Pernicious anaemia”
  • Vitamin C Deficiency: Causes “Scurvy”
  • Vitamin D Deficiency: Causes “Rickets”
  • Vitamin E Deficiency: Causes “Sterility”
  • Vitamin K Deficiency: Causes issues with the “Coagulation of blood”

 

Q.589. Indicate the percentage of nitrogen in DAP?

(DAP में नाइट्रोजन की मात्रा कितने प्रतिशत होती है?)

  1. 15%
  2. 18%
  3. 32%
  4. 46%

Answer:- 2. 18%

Explanation:- Di-ammonium phosphate (DAP) is commonly graded as 18% nitrogen and 46% P2O5.

DAP — Exam Ready

  • DAP = Diammonium Phosphate
  • Grade = 18 : 46 : 0
  • Nitrogen (N) = 18%
  • Phosphorus = 46% as P₂O₅
  • Potassium (K₂O) = 0%
  • Nitrogen mainly ammoniacal form mein hota hai.

 

Q.590. Botanical name of jowar is?

(ज्वार का वानस्पतिक नाम क्या है?)

  1. Sorghum sudanense
  2. Hordeum vulgare
  3. Sorghum bicolor
  4. Oryza sativa

Answer:- 3. Sorghum bicolor

Explanation:- Jowar or sorghum is botanically known as Sorghum bicolor.

 

Questions Answers
Botanical name Sorghum bicolor
Family Grammineae
Chromosome number 2n=20
Origin Africa
Type of flower Panicle (head)
Type of fruit Caryopsis
Germination Hypogeal

 

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Q.591. ‘Arka Navneet’ is a variety of?

(‘Arka Navneet’ किस फसल की किस्म है?)

  1. Tomato
  2. Brinjal
  3. Turnip
  4. Cauliflower

Answer:- 2. Brinjal

Explanation:- Arka Navneet is an improved variety of brinjal developed for cultivation in India.

 

Q.592. National Research Centre for Litchi (NRCL) is located at?

(राष्ट्रीय लीची अनुसंधान केंद्र (NRCL) कहाँ स्थित है?)

  1. Pune
  2. Muzaffarpur
  3. Lucknow
  4. Kolkata

Answer:- 2. Muzaffarpur

Explanation:- ICAR-National Research Centre on Litchi is located at Muzaffarpur, Bihar, a major litchi-growing region.

 

Q.593. The word “Horticulture” is derived from?

(“Horticulture” शब्द किस भाषा से लिया गया है?)

  1. Latin
  2. English
  3. Greek
  4. Italic

Answer:- 1. Latin

Explanation:- Horticulture is derived from the Latin words hortus meaning garden and cultura meaning cultivation.

 

Q.594. Bhadawari buffalo is identified by which one body colour?

(भदावरी भैंस की पहचान किस शरीर के रंग से होती है?)

  1. Black
  2. Copper
  3. Light black
  4. Grey

Answer:- 2. Copper

Explanation:- Bhadawari buffalo is characteristically identified by its copper or copper-brown body colour and is known for high milk-fat content.

Bhadawari Buffalo
  • I.  Copper coloured hair skin. 
  • II. Age at first calving 50 months.
  • III. The average milk yield is 800 to 1100 kg.
  • IV. Two white lines ‘Chevron’ are present at the lower side of the neck similar to that of Surti buffaloes.
  • V. The fat content varies from 6 to 13 percent (Maximum fat).

 

Q.595. Ranikhet disease affects?

(रानीखेत रोग किसे प्रभावित करता है?)

  1. Cattle
  2. Pig
  3. Fish
  4. Poultry

Answer:- 4. Poultry

Explanation:- Ranikhet disease, also called Newcastle disease, is a highly infectious viral disease primarily affecting poultry.

 

Q.596. Where is the Central Institute of Research on Goats located?

(केंद्रीय बकरी अनुसंधान संस्थान कहाँ स्थित है?)

  1. Mathura
  2. Pantnagar
  3. Anand
  4. Hissar

Answer:- 1. Mathura

Explanation:- ICAR-Central Institute for Research on Goats (CIRG) is located at Makhdoom, near Mathura, Uttar Pradesh.

 

Q.597. The edible part of Knol-Khol is?

(नॉल-खोल का खाने योग्य भाग क्या है?)

  1. Root
  2. Stem
  3. Leaf
  4. Flower

Answer:- 2. Stem

Explanation:- Knol-khol is a modified swollen stem that forms the main edible portion of the crop.

 

Q.598. The temporary roots in maize root system are?

(मक्का की जड़ प्रणाली में अस्थायी जड़ें कौन-सी होती हैं?)

  1. Seminal roots
  2. Coronal roots
  3. Aerial roots
  4. Crown roots

Answer:- 1. Seminal roots

Explanation:- Seminal roots develop from the seed embryo and function mainly during the early stages of maize growth before the nodal root system becomes dominant.

 

Q.599. What is the seed rate of composite maize?

(Composite maize की बीज दर कितनी होती है?)

  1. 25–30 kg/ha
  2. 18–20 kg/ha
  3. 10–15 kg/ha
  4. 20–25 kg/ha

Answer:- 2. 18–20 kg/ha

Explanation:- The commonly recommended seed rate for composite maize is about 18–20 kg per hectare under suitable planting conditions.

Crop Seed Rate (kg/ha)
Maize Composite
 18-20
Maize Hybrid 20-25
Maize Fodder 40-60
Sorghum
 12-15
Pearlmillet 4-5
Gram 75-80
Pigeonpea 12-15

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Q.600. Seed rate (kg/ha) of pigeonpea (red gram) for sole crop is?

(अरहर (Red Gram) की एकल फसल के लिए बीज दर कितनी है?)

  1. 15–20 kg/ha
  2. 20–25 kg/ha
  3. 10–12 kg/ha
  4. 12–15 kg/ha

Answer:- 4. 12–15 kg/ha

Explanation:- For sole-crop pigeonpea, a seed rate of about 12–15 kg/ha is commonly recommended depending on variety and plant spacing.

Crop Seed Rate (kg/ha)
Maize Composite
 18-20
Maize Hybrid 20-25
Maize Fodder 40-60
Sorghum
 12-15
Pearlmillet 4-5
Gram 75-80
Pigeonpea 12-15

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