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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وہیل مچھلیوں کی معدومیت سے بچنے کے لیے کمیشن _______ ہے؟
Answer: IWC
Explanation IWC (International Whaling Commission) was established to regulate the hunting of whales and avoid their extinction. It works to ensure the conservation of whale populations through research, management, and monitoring.
زوجیگرافی: 'لیموریا' ______ کا نام ہے؟
Answer: Land bridge
Explanation Lemuria is a hypothetical land bridge proposed to explain the distribution of certain species across the Indian Ocean . It was suggested as a connection between Madagascar and India in ancient times.
مندرجہ ذیل میں سے ایک سانس کو کنٹرول کرنے والا مرکز ہے؟
Answer: Medulla
Explanation The medulla oblongata controls respiration by regulating the breathing rate and depth. It sends signals to the respiratory muscles to maintain oxygen and carbon dioxide levels in the blood.
کسی فرد کے سیل میں ڈی این اے کی زیادہ مقدار سے پتہ چلتا ہے کہ یہ _______ ہے؟
Answer: Highly evolved organism
Explanation A greater amount of DNA in a cell of an individual typically indicates a highly evolved organism. Complex organisms tend to have larger genomes with more genes , resulting in a larger amount of DNA compared to simpler organisms.
Answer: Blood meets water with decreasing oxygen concentrations
Explanation A counter-current exchange mechanism in gill respiration increases efficiency because Blood meets water with decreasing oxygen concentrations Water and blood flow in opposite directions . Blood continuously encounters water with higher O₂ concentration . This maintains a diffusion gradient along the entire gill surface. As a result, oxygen uptake is maximized .
سیلولر ڈھانچے سیل کے اندر ویسکلز کی حرکت کس پر منحصر ہے؟
Answer: Microtubules and motor proteins
Explanation The movement of vesicles within the cell depends on microtubules that form the tracks for movement. Motor proteins like kinesin and dynein use energy to transport vesicles along these microtubules.
پیٹ اور آنتوں کے لیمین میں _______ ہے؟
Answer: Columnar epithelium
Explanation Columnar epithelium lines the lumen of the stomach and intestines, aiding in absorption and secretion . It consists of tall, closely packed cells with microvilli to increase surface area.
بڑھتی ہوئی ایریٹروسائٹ تلچھٹ کی شرح ______ کا اشارہ ہے؟
Answer: All of these
Explanation Increased Erythrocyte Sedimentation Rate (ESR) is a non-specific indicator of inflammation or disease . It is commonly elevated in tuberculosis, malignancies, and nephritis, among other conditions.
ٹراؤٹ _______ میں زندہ/مہذب ہے؟
Answer: Cold water
Explanation Trout thrive in cold , well-oxygenated freshwater environments like streams and rivers. They are commonly cultured in cold water aquaculture systems for commercial purposes.
زمینی حیاتیات میں کتنے فیصد نامیاتی کاربن موجود ہے؟
Answer: 0.1%
Explanation Only about 0.1% of Earth's organic carbon is present in the biosphere, including all living organisms . The majority of carbon is stored in rocks, sediments, and the ocean.
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