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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انسان سوتے ہوئے رات کی _______ آوازوں کو نظر انداز کر رہے ہیں؟
Answer: Habituation
Explanation Habituation is the gradual decrease in response to a repeated stimulus. Such as humans ignoring night sounds while asleep. It helps organisms focus on more significant stimuli while ignoring irrelevant ones.
جانور جس کا جسم ہزاروں سال برف میں محفوظ تھا؟
Answer: Mammoth
Explanation Mammoths were large, extinct elephant-like mammals that lived during the Ice Age . Some mammoths have been discovered well-preserved in ice , with intact skin, fur, and even stomach contents.
آئسوسرکل دم ______ میں موجود ہے؟
Answer: Eels
Explanation The isocercal tail , where both lobes of the tail are of equal size. It is commonly found in eels . This tail type helps in the efficient undulating movement of eels through water.
پٹیوٹری کے ہارمونز کو ______ کے ذریعے کنٹرول کیا جاتا ہے؟
Answer: Negative feedback system
Explanation The hormones of the pituitary are regulated primarily through a negative feedback system , where hormones produced by target organs inhibit further release from the pituitary. This feedback mechanism helps maintain homeostasis and regulate hormone levels in the body.
اتپریورتن کی قسم جس کے نتیجے میں جینوم کے کوڈنگ والے علاقے میں قبل از وقت سٹاپ کوڈن کی تشکیل ہوتی ہے اسے ______ کہا جاتا ہے؟
Answer: Nonsense mutation
Explanation A nonsense mutation changes a codon to a premature stop codon. This leading to a truncated protein. This typically results in a nonfunctional protein , disrupting normal cellular functions.
چیونٹی سماجی کیڑے مکوڑے ہیں کیونکہ ______؟
Answer: They live in colonies
Explanation Ants are social insects because they live in organized colonies with a division of labor. They exhibit cooperative behavior, including food sharing, nest building, and defense.
Answer: GAA TTC
Explanation A palindromic sequence reads the same forwards and backwards. Given the sequence "CTTAAG", the complementary palindromic sequence is "GAATTC". In DNA, A pairs with T and C pairs with G. When reading the complementary strand from 5' to 3', the sequence becomes "GAATTC", which is the same as the original sequence read from 5' to 3'.
امبیبینوں کو _____ سے تیار کیا جاتا ہے؟
Answer: Dipnoi
Explanation Dipnoi (Lungfishes) are believed to be the closest living relatives of amphibians. It sharing traits like lungs for breathing air. Amphibians evolved from lobe-finned fishes , including lungfish, during the Devonian period .
Answer: Least concern
Explanation According to the IUCN Red List categories , Least Concern (LC) indicates a species is at the l owest risk of extinction, meaning it's widespread and abundant.
امبیبین کی جلد ______ ہے۔
Answer: Moist
Explanation Amphibians have moist skin. It helps in respiration and water absorption . Their skin lacks epidermal scales. It distinguishing them from reptiles .
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