All MCQs - Agriculture Officer Past Papers and Syllabus Practice | PakExamPoint

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All MCQs and revision practice

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131. Lentil seed rate is _____?

مسور (لینٹل) کی بوائی کے لیے بیج کی مقدار کتنی ہے؟

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Answer: 8–10 kg/acre

Explanation Lentil is a cool-season legume grown for its high-protein seeds . Seed rate is the amount of seed needed per acre for optimal growth. Correct seed rate ensures proper plant population and maximum yield . Additional information : Lentils are usually sown in rows 20–30 cm apart. Last verified on 23-01-2026

132. Enzymes are organic catalysts. They are mainly _______ in nature.

انزائمز نامی حیاتیاتی کیمیکل جو کیمیائی عمل کو تیز کرتے ہیں، بنیادی طور پر _______ نوعیت کے ہوتے ہیں؟

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Answer: Proteins

Explanation Enzymes are biological catalysts that speed up chemical reactions in living organisms without being consumed. They are mainly made of proteins . They are highly specific to their reactions. Additional information : Some enzymes require cofactors like vitamins or metal ions to function. Examples : Amylase (breaks starch), Lipase (breaks fats), Protease (breaks proteins). Last verified on 11-02-2026

133. Ear cockle disease in wheat is caused by _____?

گندم میں ایئر کوکل بیماری کس کی وجہ سے ہوتی ہے؟

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Answer: Nematode

Explanation Ear cockle is caused by Anguina tritici , a plant-parasitic nematode . Nematodes invade wheat spikes and seeds, deforming kernels . Additional information : Control measures : Crop rotation, resistant varieties, seed treatment Impact : Can reduce wheat yield by up to 20–30% in affected fields Last verified on 25-01-2026

134. What is the purpose of mulching?

ملچنگ کا مقصد کیا ہے؟

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Answer: To control weeds and conserve soil moisture

Explanation Mulching involves covering the soil with organic or synthetic material . Helps retain soil moisture and suppress weed growth. Common practice in vegetables, orchards, and cash crops . Last verified on 30-01-2026

135. Nutrient consumption by 1 ton of soybean?

ایک ٹن سویا بین کی پیداوار کے لیے مٹی سے کتنے غذائی اجزاء استعمال ہوتے ہیں؟

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Answer: NPK 100 kg

Explanation Soybean is a leguminous crop that still requires nutrients from the soil for optimal growth . The nutrient requirement for producing 1 ton of soybean is approximately NPK 100 kg . N = Nitrogen, P = Phosphorus, K = Potassium. Last verified on 23-01-2026

136. Gossypium hirsutism is the botanical name of ______?

گاسپیم ہرسٹم کس پودے کا نباتاتی نام ہے؟

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Answer: American Cotton

Explanation Botanical Name: Gossypium hirsutum Common Name: American / Upland cotton Global Share: ~ 90% of world cotton production Fiber Type: Medium to long staple Main Use: Textile and yarn industry Additional information : Gossypium arboreum — Desi cotton Gossypium barbadense — Egyptian cotton Last verified on 05-02-2026

137. Cholistani, Kali, Damani, Kachi and Bibrik are some of the breeds of _____?

چولستانی ، کالی ، دامانی ، کچی اور بیبرک _____ کی کچھ نسلیں ہیں؟

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Answer: Sheep

Explanation Cholistani, Kali, Damani, Kachi, and Bibrik are well-known sheep breeds in Pakistan. These breeds are mainly reared for wool, meat, and sometimes milk . They are adapted to arid and semi-arid regions of Pakistan. Last verified on 11-02-2026

138. ICRISAT is located in ______?

آئی سی آر آئی ایس اے ٹی کہاں واقع ہے؟

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Answer: India

Explanation ICRISAT (International Crops Research Institute for the Semi-Arid Tropics) is a global research organization. Headquarters of ICRISAT is in Hyderabad, India . Founded in 1972 , it aims to improve agriculture in dry tropics worldwide. Works on crop improvement, sustainable agriculture, and food security . Last verified on 11-02-2026

139. Inflation of mammary glands of milch animals is called ______?

دودھ دینے والے جانوروں کے تھن کی سوجن کو کیا کہتے ہیں؟

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Answer: Mastitis

Explanation In dairy animals , the health of mammary glands is crucial for milk production . Inflammation of mammary glands reduces milk yield and affects quality . This condition is medically known as mastitis . Last verified on 11-02-2026

140. Removal of exchangeable sodium from the soil is called _____?

مٹی سے تبادلہ کرنے والے سوڈیم کو ہٹانے کو _____ کہا جاتا ہے؟

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Answer: Desodication

Explanation The process of removing excess sodium from saline or alkaline soils to improve fertility is called desodication . It helps make the soil suitable for agriculture by reducing soil alkalinity . Methods include gypsum application and leaching with good quality water. Last verified on 11-02-2026

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