Zoology MCQs - Everyday Science Practice | PakExamPoint

Practise Zoology MCQs in Everyday Science. Attempt multiple-choice questions, check answers and revise related subtopics.

Zoology MCQs and revision practice

Study Zoology through multiple-choice questions in Everyday Science. This subtopic contains 1568 practice questions. Read the wording carefully, compare the options and attempt an answer before checking the solution in learning mode.

Use these Zoology MCQs to identify the facts, rules or methods you need to revise. Where an explanation is available, work through it and write down why your chosen option was correct or incorrect. Revisit difficult questions after reviewing your notes, then use exam mode for timed practice.

Continue your revision with related topics: 100 Most Repeated MCQs of EDS PDF MCQs, Alloy MCQs, Atmosphere MCQs, Basics of Every Day Science EDS MCQs, Biology MCQs, Botany MCQs, Branch of Science MCQs, Cell MCQs.

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Zoology: questions and answer review

Try each question before opening its answer. Record the concept behind each mistake and revisit it during your next practice session.

431. When few individuals separate from large population and establish a new population?

جب چند افراد بڑی آبادی سے الگ ہو کر نئی آبادی قائم کرتے ہیں؟

Check answer and explanation

Answer: Founder effect

Explanation The Founder effect occurs when a small group of individuals separates from a large population to establish a new population. This can lead to reduced genetic diversity and significant differences from the original population.

432. _________ are primarily responsible for maintenance of male reproductive functions.

بنیادی طور پر مردانہ تولیدی افعال کی دیکھ بھال کے لیے ذمہ دار ہیں۔ ______

Check answer and explanation

Answer: Steroid hormones

Explanation Steroid hormones , particularly testosterone, regulate male reproductive functions, including sperm production and sexual behavior. These hormones are produced by the testes and influence various aspects of male sexual development and function.

433. Which are immune cells that protect against pathogens?

کون سے مدافعتی خلیے ہیں جو پیتھوجینز سے بچاتے ہیں؟

Check answer and explanation

Answer: Microglia

Explanation Microglia are immune cells that act as macrophages in the central nervous system (CNS). They protect the CNS by engulfing and destroying pathogens, such as bacteria and viruses. Microglia also remove cellular debris and maintain the health of neural tissues.

434. Which is the tallest animal in the World?

دنیا کا سب سے لمبا جانور کون سا ہے؟

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Answer: Giraffe

Explanation The giraffe is the tallest animal in the world, Males can grow up to 18 feet (5.5 meters) tall Females can reach 14 feet (4.3 meters) tall Additional Information Kangaroos a tall and so strong they are able to stand on it The dog is known to be man's best friend Ostriches have bigger eyes than their brain The fastest land animal is the cheetah The longest-living animal is the whale The whale has the Largest brain Elephant has the largest ears Last updated NA 12-04-2026

435. Which of the following leads to speciation?

مندرجہ ذیل میں سے کون قیاس کی طرف جاتا ہے؟

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Answer: All of these

Explanation Natural selection promotes the survival of individuals with advantageous traits, leading to genetic divergence. Favorable genotypes and adaptation help populations evolve differently, contributing to the formation of new species.

436. An important characteristic feature, which is present only in the phylum Coelenterata?

ایک اہم خصوصیت کی خصوصیت ، جو صرف فیلم کویلینٹیرٹا میں موجود ہے؟

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Answer: Nematocysts

Explanation Nematocysts are specialized stinging cells unique to Coelenterata (Cnidaria). It is used for defense and capturing prey. These are found in jellyfish, corals, and sea anemones.

437. Fish feed: Important ingredient for protein source is ______?

مچھلی کی خوراک: پروٹین کے ماخذ کے لیے اہم جزو ______ ہے؟

Check answer and explanation

Answer: Fish meal

Explanation Fish meal is a rich source of protein and essential amino acids for fish growth . It is commonly used in fish feed due to its high nutritional value and digestibility .

438. Which fish used to control malaria?

کون سی مچھلی ملیریا کو کنٹرول کرتی تھی؟

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Answer: Gambusia

Explanation Gambusia (mosquitofish) feeds on mosquito larvae, helping to control malaria by reducing mosquito populations. It is widely used in mosquito control programs due to its high larval consumption rate.

439. Echinoderms are animals that are ______?

ایکینوڈرمز جانور ہیں جو ______ ہیں؟

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Answer: Invertebrates

Explanation Echinoderms (such as starfish, sea urchins, and sea cucumbers) are invertebrates because they lack a backbone. They have a unique water vascular system and radial symmetry.

440. Which is the hollow muscular organ located behind the sternum and between the lungs?

کون سا کھوکھلا عضلاتی عضو ہے جو سٹرنم کے پیچھے اور پھیپھڑوں کے درمیان واقع ہے؟

Check answer and explanation

Answer: Heart

Explanation The heart is a hollow muscular organ located behind the sternum and between the lungs . It pumps blood throughout the body. It supplying oxygen and nutrients to tissues.

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