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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اوسط بلڈ پریشر کس ڈھانچے میں سب سے کم ہے؟
Answer: Venae cavae
Explanation The average blood pressure is lowest in the venae cavae , as it returns deoxygenated blood to the heart. Blood pressure increases as blood moves away from the heart through arteries and decreases in veins.
سول مچھلی کا سائنسی نام ______ ہے؟
Answer: Channa marulius
Explanation Sole fish is scientifically named Channa marulius , a freshwater species. It is known for its elongated body . It is commonly found in South Asian rivers.
Answer: Woolly Mammoth
Explanation Woolly Mammoths thrived during the Pleistocene epoch of the Cenozoic and went extinct about 4,000 years ago. The Cenozoic Era (66 million years ago – present) is known as the "Age of Mammals." Dinosaurs went extinct at the end of the Mesozoic Era, not the Cenozoic. Trilobites and ammonites went extinct before the Cenozoic.
موتی _____ مولسک کے ذریعہ تیار کیا جاتا ہے۔
Answer: Bivalve
Explanation Pearls are produced by bivalve mollusks, such as oysters and mussels . The pearl forms when an irritant gets trapped inside the mollusk, and layers of nacre are deposited around it.
Answer: Serial
Explanation The unit of rock that represents all rocks formed during the same geological time scale is a Series . Geochronologic Units: The units of time in the geological time scale are called geochronologic units (e.g., eon, era, period, epoch)
آبادی کے سائز کا تعین عام طور پر ________ کی بنیاد پر کیا جاتا ہے؟
Answer: Density
Explanation Population size is often determined based on the density . It refers to the number of individuals per unit area or volume. Density helps estimate the overall size of a population by analyzing how individuals are distributed in a specific space.
کیڑوں میں ذائقہ کے اعضاء کو _____ کہا جاتا ہے؟
Answer: Taste hairs
Explanation Taste hairs are the taste organs in insects. It is located on their mouthparts, antennae, or feet. These specialized sensory hairs detect chemical stimuli in the environment.
ٹشوز خلیات پر مشتمل ہوتے ہیں، اور ٹشوز مل کر کیا کام کرتے ہیں؟
Answer: Organs
Explanation Organs are formed when multiple tissues work together to perform specific functions. Examples include the heart, lungs, and kidneys , each composed of various tissue types.
موسمیاتی تبدیلی کا اہم عنصر _____ ہے؟
Answer: Habitat degradation
Explanation Habitat degradation significantly contributes to climate change by disrupting ecosystems and reducing biodiversity. It involves pollution, deforestation, and unsustainable practices that amplify greenhouse gas emissions.
Answer: Spiral and determinate
Explanation Spiral cleavage is characterized by diagonal cleavage planes that are not symmetrical between the poles, resulting in unequal blastomeres arranged in a spiral pattern. Determinate cleavage means that the fate of each blastomere is predetermined early on, meaning each cell has a specific developmental role.
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