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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بڑی آنت کا بنیادی کام کیا ہے؟
Answer: Water absorption
Explanation The primary function of the large intestine is to absorb water and electrolytes from the remaining indigestible food matter. It also helps in the formation and excretion of feces.
انسانوں کی آبادی ________ بقا کے منحنی خطوط کی پیروی کرتی ہے؟
Answer: Type I
Explanation The three types of survivorship curves are: Type I : High survival rate through most of life (e.g., humans, large mammals). Type II : Constant mortality rate throughout life (e.g., birds, some reptiles). Type III : High mortality in early life but those that survive tend to live long (e.g., many fish, plants).
مندرجہ ذیل میں سے کون سا صرف کفالت میں پایا جاتا ہے؟
Answer: Choanocytes
Explanation Choanocytes (collar cells) are flagellated cells unique to sponges . It is responsible for creating water currents and filtering food particles . Nematocysts are found in cnidarians . Trichocysts are found in Paramecium .
کشیرے میں شریانیں _______ خون کی وریدوں ہیں۔
Answer: Elastic
Explanation Arteries in vertebrates are elastic blood vessels that can expand and contract to accommodate the high pressure of blood being pumped from the heart. Their elastic walls help maintain blood flow and regulate pressure.
Answer: 2.0
Explanation In bacterial cells, RNA makes up abou t 6% of the total cell weight , which is relatively high compared to DNA due to the abundance of ribosomal RNA (rRNA ).
Answer: Sharks
Explanation Sharks, along with other cartilaginous fish-like rays, retain urea in their bodies as part of their osmoregulatory strategy. This helps them maintain osmotic balance in marine environments by making their internal body fluids isotonic with the surrounding seawater.
انیلیڈس کا بڑا نائٹروجنس فضلہ ______ ہے؟
Answer: Ammonia
Explanation Ammonia is the primary nitrogenous waste excreted by annelids, especially aquatic species . It is expelled directly into the surrounding water through diffusion .
کس قسم کے مالیکیول سیل جھلی سے سب سے زیادہ آسانی سے گزرتے ہیں؟
Answer: Small and hydrophobic
Explanation Small and hydrophobic molecules pass most easily through the lipid bilayer . Due to their ability to dissolve in the membrane. Large or polar molecules require transport proteins to cross the membrane.
ایسی جگہ جہاں جنگلی جانوروں کو ان کے قدرتی رہائش گاہوں کو مدنظر رکھتے ہوئے حالات میں رکھا جاتا ہے؟
Answer: Zoological Park
Explanation A zoological park is a facility where wild animals are kept in enclosures designed to mimic their natural habitats. It aims to provide care, conservation, and public education about wildlife.
پیراسیٹائڈ جو کسی دوسرے پرجیوی کو بطور میزبان ______ کھاتا ہے؟
Answer: Hyperparasitoid
Explanation A hyperparasitoid is a parasitoid that uses another parasitoid as its host. This forming a multi-level parasitic relationship. This occurs in insect species where secondary parasitoids attack primary parasitoids.
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