Zoology MCQs - Everyday Science Practice | PakExamPoint
Practise Zoology MCQs in Everyday Science. Attempt multiple-choice questions, check answers and revise related subtopics.
Zoology MCQs and revision practice
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.
Explanation In Pakistan, mammals have the highest number of endangered species among vertebrates, followed by birds and reptiles. The wildlife of Pakistan comprises a diverse flora and fauna i n a wide range of habitats from sea level to high elevation areas in the mountains, including 195 species of mammals ( including 13 subspecies ), Endemic Species: 6 Number of orders: 10 668 bird species More than 5000 species of Invertebrates
Explanation The frequency of allele a is 0.1. So the frequency of allele A is 0.9 (1 - 0.1). The heterozygous genotype (Aa) frequency is 2pq . It is 2(0.9)(0.1) = 0.18 or 18%.
محفوظ علاقوں کا انتظام بنیادی طور پر _______ میں مخصوص قدرتی خصوصیات کے تحفظ کے لیے کیا جاتا ہے؟
A. Wilderness area
B. Area of land or sea
C. None of these
D. Natural monument
Check answer and explanation
Answer: Natural monument
Explanation Natural monuments are protected areas managed specifically for the conservation of unique natural features . Such as rock formations, caves, or other significant geological formations. These areas are often smaller in size but are critical for preserving distinct natural heritage.
جدید گھوڑوں نے مندرجہ ذیل میں سے کس میں تبدیلیاں کی ہیں؟
A. Body size
B. All of these
C. Reduction in toes
D. Tooth size and shape
Check answer and explanation
Answer: All of these
Explanation Modern horses have evolved changes in body size , becoming larger and more robust over time. They also show a reduction in toes and changes in tooth size and shape to adapt to grazing on tougher vegetation.
مندرجہ ذیل میں سے کون سا ہوا سے پیدا ہونے والی بیماری ہے؟
A. Measles
B. Cholera
C. Typhoid
D. None of these
Check answer and explanation
Answer: Measles
Explanation Measles is a highly contagious airborne viral disease that spreads through respiratory droplets . It causes fever, cough, rash . It can lead to serious complications like pneumonia .
مندرجہ ذیل میں سے کون سا لیبارٹری ٹیسٹ عام طور پر اسٹیفیلوکوکس اوریئس کی شناخت کے لئے استعمال ہوتا ہے؟
A. Wright’s stain
B. Gram staining
C. Acid-fast staining
D. None of these
Check answer and explanation
Answer: Gram staining
Explanation Gram staining is commonly used to identify Staphylococcus aureus , which appears as Gram-positive (purple) cocci in clusters. This basic test helps differentiate it from other bacteria early in diagnosis.
Explanation Cestodes are a class of parasitic flatworms commonly known as tapeworms , which live in the intestines of vertebrates. They lack a digestive system and absorb nutrients directly through their body surface.
اونٹوں کے بارے میں مندرجہ ذیل تمام حقائق انہیں گرم صحراؤں میں طویل عرصے تک خشک سالی کے مطابق ڈھال دیتے ہیں، سوائے اس کے کہ؟
A. Camels can drink as much as 1/3 of their body weight in ten minutes, which other mammals cannot
B. Camels do not sweat until the external temperature exceeds 41°C, which is much higher than for most mammals
C. Camels can survive a loss of up to 40% of their body water, for most mammals this limit is 20 percent
D. The camel’s thick coat insulates its body against high temperatures thereby reducing water loss
Check answer and explanation
Answer: Camels can drink as much as 1/3 of their body weight in ten minutes, which other mammals cannot
Explanation Camels can drink as much as 1/3 of their body weight in ten minutes, which other mammals cannot. This statement is not directly related to drought adaptation, as rapid water intake does not help in conserving water.
جڑ کے نوڈولس میں بیکٹیریا کے ذریعے نائٹروجن کا تعین _________ کی ایک مثال ہے؟
A. None of these
B. Mutualism
C. Facilitation
D. Parasitism
Check answer and explanation
Answer: Mutualism
Explanation Nitrogen fixation by bacteria in root nodules is mutualism , where both bacteria and plants benefit. Bacteria provide nitrogen to plants , and plants offer shelter and nutrients to bacteria.