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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Answer: SA node
Explanation The heartbeat is normally initiated by the sinoatrial (SA) node, a group of specialized cells in the right atrium , acting as the heart's natural pacemaker.
آئی پی ایم اور ای پی ایم کو کیڑوں کے انتظام میں اہم _______ سمجھا جاتا ہے۔
Answer: Pillars
Explanation IPM (Integrated Pest Management) and EPM (Ecological Pest Management) are considered foundational strategies or " pillars " in pest management. They focus on sustainable, eco-friendly methods to control pests rather than relying solely on chemicals.
بڑے فلیمنگو کی اونچائی ______ ہے؟
Answer: 155 cm
Explanation The greater flamingo typically stands around 155 cm tall. This species is known for its long legs and neck. This making it one of the tallest flamingo species.
ڈایناسور ______ کے دوران معدوم ہو گئے؟
Answer: Cretaceous extinction
Explanation The Cretaceous extinction, about 70 million years ago , marked the end of the Mesozoic Era. This event led to the extinction of dinosaurs and paved the way for the rise of mammals in the Cenozoic Era.
مندرجہ ذیل میں سے کون سا ایٹاوسٹک ڈھانچے کی مثال ہے؟
Answer: Appearance of tail in humans
Explanation Atavistic structures are ancestral traits that reappear after being absent for generations, such as the rare appearance of a tail in humans . This is considered a reversion to an ancestral form, as human ancestors had tails.
مرکزی اعصابی نظام کی طرف جانے والے اعصاب کو _______ کہا جاتا ہے؟
Answer: Afferent
Explanation Afferent nerves carry sensory signals from sensory receptors to the central nervous system (CNS). They are responsible for transmitting information like touch, temperature, and pain from the body to the brain.
مندرجہ ذیل میں سے کون سی اخلاقیات فطرت کی بشری قدر پر زور دیتی ہے؟
Answer: Resource conservation ethic
Explanation Resource Conservation Ethic focuses on the sustainable use of natural resources for human benefit. It values nature primarily for its utility to humans, highlighting an anthropocentric perspective.
Answer: Parasitism
Explanation Parasitism is a type of relationship where one organism ( the parasite) lives on or inside another organism (the host) And benefits at the expense of the host, who is harmed by the interaction.
جب ٹھوس ذرات خلیوں کے ذریعہ کھائے جاتے ہیں تو ، اس عمل کو ______ کہتے ہیں؟
Answer: Phagocytosis
Explanation Phagocytosis is the process by which cells engulf solid particles, such as bacteria or debris . It is commonly performed by immune cells like macrophages.
افراد کی امتیازی فٹنس نسلوں میں آبادی میں ______ خصلتوں کے جمع ہونے کا باعث بنتی ہے۔
Answer: Favorable
Explanation Differential fitness leads to the accumulation of favorable traits that enhance survival and reproduction. This process drives natural selection , shaping populations over generations .
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