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

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651. Endogenic process requiring light and water to produce glucose is ______?

وہ اندرونی عمل جس میں روشنی اور پانی کی ضرورت ہوتی ہے تاکہ گلوکوز پیدا ہو، اسے کیا کہتے ہیں؟

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Answer: Photosynthesis

Explanation Photosynthesis is an endogenic process in plants, meaning it produces energy-rich compounds. Requires light, water, and carbon dioxide to produce glucose and oxygen. Additional information : Formula: 6CO₂ + 6H₂O + light → C₆H₁₂O₆ + 6O₂ Occurs in chloroplasts , primarily using chlorophyll pigments. Last verified on 23-01-2026

652. Seeds having a short storage period can be stored for about ____?

کم عرصے تک محفوظ رہنے والے بیج تقریباً کتنے عرصے تک ذخیرہ کیے جا سکتے ہیں؟

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Answer: 1–2 months

Explanation Seeds with a short storage period lose their viability quickly. Such seeds can generally be stored for about 1–2 months under normal conditions. Additional information : Storage life of seeds : Short-lived seeds – 1–2 months Medium-lived seeds – 3–8 months Long-lived seeds – 9–12 months or more Onion seeds – short storage life Lettuce seeds – short storage life Last verified on 19-02-2026

653. The total plant population of maize in spring is approximately?

بہار میں مکئی کی کل پودوں کی آبادی تقریباً کتنی ہوتی ہے؟

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Answer: 35–40 thousand per hectare

Explanation Recommended maize populations : Spring maize – 35–40 thousand per hectare Summer maize – 45–50 thousand per hectare Sweet corn – 25–30 thousand per hectare Fodder maize – 40–45 thousand per hectare Hybrid maize – 50–55 thousand per hectare Last verified on 25-01-2026

654. The part of the stem below the cotyledon is called ______?

بیج میں کوٹیلڈن کے نیچے تنے کے حصے کو کیا کہتے ہیں؟

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Answer: Hypocotyl

Explanation Hypocotyl is the portion of the embryonic stem below the cotyledon(s). It connects the cotyledons to the radicle (embryonic root). During germination (especially in dicots ), hypocotyl often elongates and lifts cotyledons above soil. Additional information : Epicotyl is the stem part above the cotyledons. Last verified on 01-02-2026

655. Water excluding rain and rauni is called _____?

بارش اور راونی کے علاوہ پانی کو کیا کہتے ہیں؟

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Answer: Irrigation water

Explanation Water supplied to crops other than rainfall and rauni is called irrigation water . It is provided artificially through canals, tube wells, or sprinklers . Essential for crop growth where rainfall is insufficient. Last verified on 03-02-2026

656. A chemical added to a pesticide to increase its activity is called ______?

کیڑے مار دوا کی تاثیر بڑھانے کے لیے شامل کیا جانے والا کیمیائی مادہ کیا کہلاتا ہے؟

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Answer: Activator

Explanation In pesticides, additives are chemicals mixed to improve effectiveness. A chemical added to increase the activity or effectiveness of a pesticide is called an activator . Activators help pesticides work faster or more efficiently. Last verified on 22-01-2026

657. Xanthomonas citri is the disease causal organism of citrus?

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Answer: Canker

Explanation Citrus canker is a serious bacterial disease affecting citrus plants. It causes lesions on leaves, stems, and fruits , reducing yield and market quality. The causal organism is Xanthomonas citri . Last verified on 11-02-2026

658. The rotten smell of sugar beet is due to ____?

چقندر کی سڑتی ہوئی بو کس کی وجہ سے پیدا ہوتی ہے؟

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Answer: Fermentation

Explanation Sugar beet can develop a rotten smell when it undergoes microbial breakdown. This smell is caused by fermentation , where microorganisms convert sugars into alcohols, acids, and gases. Additional information : Fermentation can spoil sugar beet if not processed quickly after harvest. Microorganisms like yeast and bacteria are responsible for this smell. Last verified on 22-01-2026

659. The word 'Gerund' is _____?

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Answer: Verbal noun

Explanation A gerund is a form of a verb that functions as a noun in a sentence. It is created by adding “ -ing ” to the base verb (e.g., “Swimming is fun”). Gerunds are called verbal nouns because they show action but act as nouns. Last verified on 01-02-2026

660. Maize hybrid example is _____?

مکئی کا ہائبرڈ کون سا ہے؟

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Answer: FH-810

Explanation Hybrid maize is developed to give higher yield and better disease resistance. FH-810 is a well-known hybrid maize variety in Pakistan. Additional information : Examples of hybrid maize varieties in Pakistan: FH-810 – high-yield, drought-resistant FH-985 – short-duration hybrid DK-8031 – disease-resistant hybrid NK-6240 – quality grain hybrid Pioneer-30B80 – widely cultivated hybrid Last verified on 24-01-2026

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