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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فیریٹمس میں پیٹ کے گلینڈ کے خلیات _____ تیار کرتے ہیں؟
Answer: Mucus
Explanation In Pheretima (Earthworm) , gland cells in the stomach secrete mucus to aid in food lubrication and digestion . Mucus helps in the smooth passage of food and prevents damage to the gut lining.
ڈمبرا مچھلی کا سائنسی نام ______ ہے؟
Answer: Labeo rohita
Explanation The scientific name for the Dumra fish is Labeo rohita. In Oriya, the Dumra fish is known as Gymnostomus ariza.
کسی دیئے گئے پرجاتیوں کی آبادی میں تغیر کا ایک اہم ذریعہ جو کراسنگ اوور سے ہوتا ہے؟
Answer: Genetic Recombination
Explanation Genetic recombination occurs during meiosis when homologous chromosomes exchange genetic material through crossing-over. This process increases genetic diversity within a population.
پانی میں 1,000 گنا کم گھلنشیل جو زمینی گھونگوں، کیڑے مکوڑوں، پرندوں اور بہت سے رینگنے والے جانوروں کے ذریعے پیسٹ نما شکل میں پانی کی بہت کم کمی کے ساتھ خارج ہوتا ہے؟
Answer: Uric acid
Explanation Uric acid is excreted by land snails, insects, birds, and reptiles in a paste-like form. It is 1,000 times less soluble in water, conserving water during excretion .
واٹر پھیپھڑوں _____ میں پائے جاتے ہیں؟
Answer: Most of invertebrates
Explanation Water lungs , also known as respiratory trees. They are found in some marine invertebrates , especially sea cucumbers (Holothuroidea) . These structures help in respiration by extracting oxygen from water.
اخراج والی ٹیوبیں، منی گردے، اینیلڈز کے ہر حصے میں جو براہ راست کوئلوم سے سیال جمع کرتے ہیں؟
Answer: Metanephridia
Explanation Metanephridia are excretory structures in annelids that collect waste fluid directly from the coelom and help in excretion. They consist of a tubule that opens to the outside and filters fluid from the body cavity.
جھلی کے ڈھانچے کیا ہیں جو فعال نقل و حمل میں کام کرتے ہیں؟
Answer: Both A and B
Explanation Membrane structures that function in active transport are proteins and lipids . Proteins act as pumps in active transport. These proteins bind to specific molecules and move them against their concentration gradient. Active transport involves moving molecules from an area of low concentration to an area of high concentration.
وہ جگہ جہاں مردہ جانوروں کو کچھ حفاظتی سامان کے ساتھ دکھایا جاتا ہے ______ کہلاتا ہے؟
Answer: Zoological Museum
Explanation A zoological museum is a place where preserved specimens of dead animals are displayed for education and research. These specimens are treated with preservatives to maintain their structure and appearance.
انسانی پھیپھڑوں کا سب سے اہم کام کیا ہے؟
Answer: Exhaling CO₂ & inhaling O₂
Explanation The lungs exchange gases — they absorb oxygen (O₂) and release carbon dioxide (CO₂). This process is essential for respiration and energy production in the body.
رویے کی ردعمل میں بتدریج کمی جو اس وقت ہوتی ہے جب ایک محرک کو نہ تو انعام اور نہ ہی سزا کے ساتھ بار بار دہرایا جاتا ہے اسے ________ کہا جاتا ہے؟
Answer: Habituation
Explanation Habituation is a gradual decrease in behavioral responsiveness to a repeated stimulus when there is no reward or punishment. It helps organisms conserve energy and attention by learning to ignore irrelevant or non-threatening stimuli.
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