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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مچھلی کی اوسموریگیولیشن میں شامل اہم عضو _____ ہے؟
Answer: Gill
Explanation The gills play a crucial role in osmoregulation by regulating the flow of water and salts in and out of the fish's body. They help fish maintain the proper balance of electrolytes and water . It is crucial for survival in varying salinity conditions.
ایک مکمل مخالف انگوٹھا _____ میں موجود ہے؟
Answer: Both A and B
Explanation Both apes and monkeys have fully opposable thumbs. This allowing them to grasp objects and perform complex movements. This adaptation is key to their ability to manipulate their environment. It is especially prominent in apes .
ہیٹروزائوگوٹ فائدہ سب سے زیادہ قریب سے مندرجہ ذیل میں سے کس سے منسلک ہونا چاہئے؟
Answer: Stabilizing selection
Explanation Heterozygote advantage maintains genetic diversity by favoring the heterozygous genotype over homozygotes. This often leads to stabilizing selection , where intermediate traits are selected for in a population.
Answer: Halophiles
Explanation Halophiles are archaea that thrive in extremely salty environments like the Dead Sea, So they are the most prevalent type of archaea found there
سیٹاکوسس وہ بیماری ہے جو _______ کے ذریعے منتقل ہوتی ہے؟
Answer: Parakeets
Explanation Psittacosis is a disease transmitted primarily by parakeets and other psittacine birds. It is caused by the bacterium Chlamydia psittaci . It can affect humans who handle infected birds.
زیادہ چرانا ایک سنگین عنصر _____ ہے؟
Answer: All of these
Explanation Overgrazing affects mountains, pastures, and forests by degrading the land and reducing vegetation cover. It leads to soil erosion, desertification, and loss of biodiversity across these ecosystems.
طرز عمل کی پیدائش سے پہلے کی نشوونما کا مطالعہ _________ میں کیا جاتا ہے؟
Answer: Behavioural embryology
Explanation Behavioral embryology studies the prenatal development of behavior patterns. It focusing on how behaviors begin to emerge during the early stages of development. This field investigates how genetics and environmental factors influence the development of behavior before birth.
فائبرو بلاسٹس کے پلازما جھلیوں پر اس مادہ کے لیے ______ رسیپٹرز ہوتے ہیں؟
Answer: PDGF
Explanation Fibroblasts have receptors for Platelet-Derived Growth Factor (PDGF) on their plasma membranes. PDGF binding stimulates fibroblast proliferation and tissue repair at injury sites.
طرز عمل کے بغیر اوویولیشن کو _______ کہا جاتا ہے؟
Answer: Silent ovulation
Explanation Silent ovulation is when ovulation occurs without visible behavioral signs of estrus in the female. It often leads to unnoticed breeding cycles , affecting fertility management in animals.
کے فوسل ریکارڈ نے رینگنے والے جانوروں اور پرندوں کے درمیان ارتقائی لنک کے طور پر کام کیا۔ ______
Answer: Archeopterix
Explanation Archaeopteryx is the evolutionary link between reptiles and birds. It showing both avian and reptilian features. It had feathers like birds but also teeth and a long tail like reptiles . It bridging the gap in evolution.
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