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

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All MCQs and revision practice

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371. Flower having either staminate or pistillate is _____?

ایسا پھول جس میں یا تو نرِ گل یا مادہ گل ہوتا ہے _____ کہلاتا ہے؟

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Answer: Unisexual

Explanation Unisexual flowers have either male (staminate) or female (pistillate) reproductive organs, but not both . They are important in plants that rely on cross-pollination . Additional information : Examples of unisexual plants : Papaya (Carica papaya) – male and female flowers separate Cucumber (Cucumis sativus) – male and female flowers Maize (Zea mays) – tassel (male) & cob (female) Date palm – male and female trees Ginkgo – separate male and female trees Last verified on 19-01-2026

372. Most insecticide formulations are in the form of ______?

زیادہ تر کیڑے مار ادویات کس شکل میں تیار کی جاتی ہیں؟

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Answer: EC and WP

Explanation EC (Emulsifiable Concentrate): Liquid formulation mixed with water for spraying. WP (Wettable Powder): Powder that disperses in water before application. EC and WP are most popular due to ease of application and effectiveness . Last verified on 01-02-2026

373. A market structure with few buyers and many sellers is called _____?

وہ مارکیٹ جس میں خریدار کم اور بیچنے والے زیادہ ہوں اسے کیا کہتے ہیں؟

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Answer: Oligopsony

Explanation Oligopsony is a market with few buyers and many sellers . Buyers have strong control over prices. Sellers compete to sell to limited buyers. Additional information : Monopoly = one seller, many buyers Monopsony = one buyer, many sellers Oligopoly = few sellers, many buyers Last verified on 04-02-2026

374. Physical appearance of an organism is its _____?

کسی جاندار کی ظاہری شکل کو کیا کہتے ہیں؟

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Answer: Phenotype

Explanation The physical appearance of an organism, such as height, color, or shape , is called phenotype . It is the result of the interaction between genotype (genetic makeup) and the environment . Additional information : Examples : Eye color, hair color, leaf shape in plants, body size in animals. Genotype refers to the genetic code, not visible traits. Last verified on 19-01-2026

375. Which of the following is not a good source of dietary fiber?

مندرجہ ذیل میں سے کون سا غذائی ریشہ کا اچھا ذریعہ نہیں ہے؟

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Answer: Egg

Explanation Dietary fiber is essential for healthy digestion , regulating blood sugar , and preventing constipation . Fiber comes mainly from plant-based foods like grains, fruits, and vegetables . Eggs are animal-based and contain no dietary fiber . Last verified on 11-02-2026

376. Green Revolution was responsible for improvement in production of _____?

گرین ریولیوشن کس فصل کی پیداوار میں بہتری کے لیے ذمہ دار تھا؟

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Answer: Rice and Wheat

Explanation The Green Revolution (1960s–1970s) introduced high-yielding varieties, fertilizers , and modern irrigation in agriculture. It led to a major increase in rice and wheat production , especially in Asia. The revolution helped reduce food shortages and improve food security . Last verified on 01-02-2026

377. In cotton, flower color changes from white to pink due to infestation of _____?

کپاس کے پھول کا رنگ سفید سے گلابی میں کس کی زد کی وجہ سے بدلتا ہے؟

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Answer: Jassids

Explanation In cotton , jassid infestation causes stress, leading flowers to change color from white to pink . Jassids are small, sap-sucking insects that damage leaves and flowers . Early detection is important to prevent yield loss and maintain crop health . Last verified on 03-02-2026

378. The cotton species providing main raw material for textile industry is ______?

کپاس کی وہ کون سی نسل ہے جو ٹیکسٹائل انڈسٹری کے لیے بنیادی خام مال فراہم کرتی ہے؟

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Answer: Gossypium hirsutum

Explanation Gossypium hirsutum is the most widely cultivated cotton species globally. Provides long , soft fibers ideal for textile production. Known as Upland cotton . Accounts for over 90% of world cotton production. Last verified on 07-02-2026

379. The selection of crops on phenotypic basis is done on the basis of ______?

پودوں کے ظاہری خواص کی بنیاد پر فصلوں کا انتخاب کس طریقے سے کیا جاتا ہے؟

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Answer: Mass selection

Explanation In plant breeding, selecting plants based on visible traits (phenotype) helps improve crop quality. Mass selection is the method where plants are chosen only on observable characteristics like height, yield, or disease resistance . This technique is simple, fast , and widely used in self-pollinated crops. Last verified on 01-02-2026

380. Smut causes loss to world wheat production of _____?

سَمٹ عالمی گندم کی پیداوار میں کتنا نقصان کرتا ہے؟

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Answer: 7%

Explanation Smut infects wheat spikes, reducing grain quantity and quality. On average, it causes around 7% global wheat yield loss. Additional information : Other major wheat diseases: Rust, Blight, Powdery Mildew Prevention : Use resistant varieties, seed treatment, and fungicides Last verified on 25-01-2026

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