Practise Zoology MCQs in Everyday Science. Attempt multiple-choice questions, check answers and revise related subtopics.
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.
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فائبرو بلاسٹس ______ کو خارج کرتے ہیں؟
Answer: Proteins for connective fibers
Explanation Fibroblasts secrete proteins like collagen and elastin. It form the structural fibers of connective tissues. These fibers provide strength, support, and elasticity to the extracellular matrix.
Answer: None of these
Explanation Since none of the given options show features like cell specialization or permanent cell association The transition to multicellularity is better supported by colonial organization and cell differentiation. Contractile vacuole is used for osmoregulation Encystment is a survival mechanism to withstand unfavorable conditions Binary fission is a type of asexual reproduction
کسی علاقے کے اندر مختلف ماحولیاتی نظاموں کے لیے مجموعی تنوع کا ایک پیمانہ ہے۔ _____
Answer: Gamma diversity
Explanation Gamma diversity measures the total diversity of species across multiple ecosystems within a region. It combines both alpha (local) and beta (between ecosystems) diversity.
کانٹینینٹل ڈرفٹ تھیوری کے مطابق، دو سپر براعظم ______ تھے؟
Answer: Laurasia and Gondawanaland
Explanation The single supercontinent Pangea split into two smaller supercontinents: Laurasia in the north and Gondwanaland in the south. This division occurred during the late Mesozoic era. This leading to the present-day continents.
پنکھ جو سٹیبلائزر کے طور پر کام کرتے ہیں وہ ______ ہیں؟
Answer: All of these
Explanation Ventral, median, and dorsal fins all play a role in stabilizing the body of the fish during movement. These fins help prevent rolling, tipping , and provide balance while swimming.
زیادہ تر مچھلیوں کی بنیادی سانس کی ساخت ______ ہے؟
Answer: Gills
Explanation The gills are the primary respiratory structures in most fishes. It enabling them to extract oxygen from water. They are specialized organs with a large surface area to facilitate efficient gas exchange.
جو بہت سے جذبات کو پہچاننے اور یاد کرنے میں کلیدی کردار ادا کرتا ہے؟
Answer: Amygdala
Explanation The amygdala plays a key role in recognizing, processing, and recalling emotions like fear and pleasure . It is part of the limbic system in the brain . It crucial for emotional regulation and memory.
مندرجہ ذیل میں سے کون سا ممالیہ ہے؟
Answer: Whale
Explanation Whales are classified as mammals because they have several key characteristics, Including giving birth to live y oung, nursing them with milk, Having three inner ear bones, and possessing hair (although sometimes very reduced).
کچھ رویے کے نمونے صرف ایک مخصوص ترقیاتی مرحلے یا وقت کے بعد ظاہر ہوتے ہیں. اس مرحلے یا وقت کو کیا کہتے ہیں؟
Answer: Maturation
Explanation Maturation refers to the process where certain behavioral patterns appear only after an organism reaches a specific developmental stage or age. These behaviors emerge due to growth and physiological changes rather than learning or experience.
وہ عمل جس میں ڈی ڈی ٹی اور دیگر آرگنوکلورین کیڑے مار ادویات فوڈ چین پر چڑھتے ہی زیادہ مرتکز ہو جاتی ہیں وہ کیا کہلاتا ہے؟
Answer: Biomagnification
Explanation Biomagnification refers to the process where toxic substances like DDT accumulate in higher concentrations at each trophic level in a food chain. This leads to harmful effects on top predators , including reduced reproduction and increased mortality rates.
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