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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غیر فقاری جاندار جانوروں کی انواع میں سے _____ کا حساب دیتے ہیں۔
Answer: 95%
Explanation Invertebrates make up approximately 95% of all known animal species. Including insects, mollusks, and crustaceans. They play a crucial role in ecosystems, such as pollination, decomposition, and serving as food sources.
حیاتیاتی انواع کا تصور ______ گروپ بندی کے لیے ناکافی ہے؟
Answer: Asexual organisms
Explanation The biological species concept is based on the ability to interbreed. It does not apply to asexual organisms that reproduce without mating. Asexual organisms rely on other criteria, such as genetic similarity, for classification.
تحفظ کا مفید فلسفہ ______ اخلاقیات میں دیا گیا ہے۔
Answer: Resource Conservation Ethic
Explanation The Resource Conservation Ethic emphasizes the sustainable use of natural resources for the greatest good for the greatest number. It is based on utilitarian principles , focusing on the benefits of conservation for human society.
منظم کیڑے مار دوا ______؟
Answer: Enter the insects through spiracles
Explanation Systematic insecticides primarily enter insects through spiracles (respiratory openings). Once inside , they are absorbed into the insect’s body, affecting its nervous system.
ایک عام خصوصیت؛ ہموار جسم، مختلف فائیلا کے تیز تیراکوں میں پایا جانے والا ______ نامی ارتقائی عمل کا نتیجہ ہے؟
Answer: Convergent evolution
Explanation Convergent evolution occurs when different species develop similar traits, like a streamlined body. Due to similar environmental pressures or lifestyles . This is seen in fast swimmers across various phyla, such as dolphins (mammals) and sharks (fish).
زمین کی سب سے اندرونی تہہ کو _____ کہا جاتا ہے؟
Answer: Core
Explanation The core is Earth's innermost layer. It is divided into the inner and outer core. The inner core is solid due to intense pressure. It is made of iron and nickel. It is located 2,900 km ( 1,802 miles ) below the surface. The inner core is extremely hot, with temperatures similar to the Sun's surface. The outer core is liquid . It contributing to Earth's magnetic field. The core is dense, very hot , and lies beneath the mantle and crust.
فیکنڈیٹی، یا پیدا ہونے والے انڈوں کی تعداد، _____ مچھلی کے جسم کے سائز کے ساتھ۔
Answer: Increase geometrically
Explanation Fecundity, or the number of eggs produced, increases geometrically with the body size of fish. Larger fish have a greater capacity to produce more eggs , enhancing reproductive success.
Answer: Lichens
Explanation The symbiotic relationship between algae and fungi on bare rocks, forming a composite organism, is called a lichen. Lichens are not single organisms but rather a composite of two: A fungus and an algae or cyanobacteria.
کم از کم قابل عمل آبادی کا تصور _____ کے مقصد کے ساتھ آبادی کے قابل عمل تجزیہ میں استعمال کیا جاتا ہے؟
Answer: Predict a population’s chances for survival over a time interval
Explanation The Minimum Viable Population concept helps estimate the smallest population size required for long-term survival. It is used in population viability analysis to assess a population's likelihood of persistence over a given time period.
Answer: Pseudocoel functioning as a hydrostatic skeleton
Explanation Nematodes have a pseudocoelom filled with fluid. This fluid under pressure acts as a hydrostatic skeleton , maintaining body s hape and supporting movement. They do not have a rigid exoskeleton , so hydrostatic pressure is key. Last updated question 25 feb 2026
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