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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والیس نے ______ کی بنیاد پر زمین کو فاونل ریجن میں تقسیم کیا؟
Answer: Mammalian fauna
Explanation Wallace divided the earth into faunal regions based on the distribution of mammalian species . His classification emphasized evolutionary and ecological relationships.
تاخیر سے کھاد کچھ _______ میں ہوتی ہے؟
Answer: Bats
Explanation Delayed fertilization occurs in some bat species , where fertilization is postponed until conditions are favorable. This adaptation allows bats to time reproduction with the availability of food resources.
امونیا کے نائٹریٹ یا نائٹریٹ میں تبدیل ہونے کے عمل کو کیا کہتے ہیں؟
Answer: Nitrification
Explanation Nitrification is the biological process that converts ammonia into nitrite and then nitrate by nitrifying bacteria. It is a crucial step in the nitrogen cycle , enhancing soil fertility.
ہائیڈروسٹٹک کنکال ______ میں پایا جاتا ہے؟
Answer: Earthworm
Explanation A hydrostatic skeleton relies on fluid pressure to maintain shape and movement. Earthworms use their fluid-filled body cavities to create movement.
پلانولا لاروا اور پلوٹیس لاروا کا تعلق _____ سے ہے؟
Answer: Both A and B
Explanation Planula larva is the free-swimming larval stage of Coelenterates (e.g., jellyfish, corals). Pluteus larva is the characteristic larval form of Echinoderms (e.g., sea urchins, brittle stars).
کھانے کو ایلیمینٹری کینال کے ساتھ دھکیل دیا جاتا ہے نہر کے استر ہموار پٹھوں میں سنکچن اور نرمی کی متبادل لہروں کے کس طریقہ کار کے ذریعے؟
Answer: Peristalsis
Explanation Peristalsis is the mechanism of alternating contraction and relaxation of smooth muscles that propels food along the alimentary canal. This rhythmic movement ensures efficient transport of food through the digestive system.
Answer: Protendrous
Explanation The condition where the male sexual cells develop earlier than female cells is called protandrous. Protandrous sequential hermaphroditism : Early reproduction as a pure male and later reproduction as a pure female.
آٹوپولیپلائیڈ افراد کے پاس ________ ہے؟
Answer: More than two sets of chromosomes from single species
Explanation Autopolyploidy occurs when an individual has more than two sets of chromosomes derived from the same species. This results from errors in cell division , such as nondisjunction . This leading to extra chromosome sets.
خون کے خلیات _____ میں اعلی کشیروں میں تشکیل پاتے ہیں؟
Answer: Bone marrow
Explanation In higher vertebrates , bone marrow is the primary site for hematopoiesis (blood cell formation) . The liver and spleen play a role in blood cell production during fetal development . But in adults, bone marrow is the main site.
پلین فن مڈشپ مین میں ٹائپ 2 مرد کے مقابلے میں ٹائپ 1 مرد کا جسمانی سائز _______؟
Answer: Greater
Explanation Type 1 males in plainfin midshipman fish are larger than Type 2 males. Type 1 males exhibit territorial and parental behaviors, while Type 2 males use sneaky strategies for reproduction.
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