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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جینس کی ٹیکسونومک ذیلی تقسیم ______ ہے؟
Answer: Species
Explanation Species is the taxonomic subdivision of a genus . It representing the most specific level of classification. Organisms within the same species share common characteristics . It can reproduce to produce fertile offspring.
حالت کو ______ کہا جاتا ہے جب باہر کے محلول میں زیادہ محلول کا ارتکاز ہو۔
Answer: Hypertonic
Explanation A hypertonic solution has a higher solute concentration outside the cell compared to the inside. This causes water to move out of the cell , potentially leading to cell shrinkage.
درار ایک کثیر خلوی، کھوکھلی _________ کی تشکیل کا باعث بنتی ہے؟
Answer: Blastula
Explanation Cleavage during early development forms a blastula , a multicellular, hollow structure. The blastula eventually undergoes further development to form the gastrula .
ایک آزاد زندہ جانور جو درحقیقت دوسری نسل کے فرد کو پکڑ کر مار ڈالتا ہے ______ ہے؟
Answer: Predator
Explanation A predator is a free-living animal that catches and kills another animal. It feeds on other organisms for energy. This relationship is called predation . Common in natural food chains . Predators help control prey populations. Example: Lion, Tiger, Wolf, Eagle, Shark Last verified on 06-02-2026
خشک سالی کی وجہ سے جنگلات میں آگ لگنے کا سبب کیا بن سکتی ہے؟
Answer: All of these
Explanation Drought causes reduced rainfall, drying out soil and plants. Dry vegetation becomes highl y flammable, increasing wildfire risk. High temperatures further intensify fire outbreaks. These factors together make wildfires more frequent and severe. Therefore, drought-induced wildfires occur due to all of these factors
دو جانداروں کے درمیان معلومات کے باہمی اشتراک کو _____ کہا جاتا ہے؟
Answer: Communication
Explanation Communication involves the mutual sharing of information between two organisms through signals, sounds, or behaviors. It helps in coordinating actions and understanding intentions in social or ecological contexts.
انواع _________ معدوم ہو جاتی ہیں اگر وہ اتنی کم تعداد پر برقرار رہیں کہ دوسری انواع پر ان کا اثر نہ ہونے کے برابر ہو۔
Answer: Ecologically
Explanation Ecologically extinct species exist in such small numbers that they no longer play a significant role in their ecosystem. Their interactions with other species become negligible, impacting ecosystem balance.
آکسیجن کی سطح ______ سے کم نہیں ہونی چاہیے؟
Answer: 5ppm
Explanation Fish require a minimum oxygen level of 5 ppm to survive and perform essential biological functions. Oxygen levels below this threshold can lead to stress, reduced growth, and even death in fish.
مچھلی کی پیداوار کے تالاب کا بہترین سائز ______ ہے؟
Answer: One hectare
Explanation A one-hectare pond size is optimal for fish production, balancing manageable area and productivity. It allows efficient stocking, feeding, and harvesting operations in aquaculture.
بیرونی معلومات کے مالیکیول _______ ہیں؟
Answer: Hormones
Explanation Hormones are extrinsic information molecules. As they are signaling molecules that regulate various physiological processes in the body.
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