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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ریشمی کیڑے کی مادہ کی عمر _______ ہے؟
Answer: 2-3 days
Explanation The female silk moth has a lifespan of 2-3 days. The female moth's primary purpose during this time is to mate and lay eggs. After laying eggs, the female moth typically dies within 2-3 days.
سمندری پانی کی مچھلی کون سی ہے؟
Answer: Surmai
Explanation Surmai , also known as Kingfish or Indo-Pacific king mackerel. It is a seawater fish. Trout and Sole can also be found in both freshwater and seawater . But Surmai is primarily a saltwater species.
Answer: Lymphocyte
Explanation B cells and T cells are types of lymphocytes , a category of white blood cells. They play a crucial role in the immune response, with B cells producing antibodies and T cells attacking infected cells.
آئی یو سی این کے مطابق ستنداریوں کی تقریباً 5000 معلوم پرجاتیوں میں سے کتنے فیصد کو خطرہ ہے؟
Answer: 20%
Explanation According to the IUCN , approximately 20% of nearly 5,000 mammal species are classified as threatened. Threatened species face risks such as habitat loss, climate change, and over-exploitation. It leading to a decline in their populations.
تیراکی کے مثانے کی طرف سے اجازت دی جانے والی بویانسی کا ضابطہ پٹھوں کے استعمال کے بغیر پانی کی گہرائی کو کنٹرول کرنے کے لیے ہے _______ کے لیے اس گہرائی کے ضابطے کی ضرورت ہے؟
Answer: All of the above
Explanation Regulation of buoyancy by the swim bladder helps fish control depth in water efficiently without using muscles. This depth control is essential for accessing food, avoiding predators, and adapting to light, temperature, etc . in their environment.
انسانی جسم میں سب سے مضبوط پٹھے _____ ہے؟
Answer: Thigh
Explanation Sartorius is the longest muscle in a human body. The stapedius muscle is considered the weakest and smallest skeletal muscle in the human body.
Answer: 21
Explanation Meiosis II is the second division in the process of meiosis, which reduces the number of chromosomes in a cell by half. If a cell starts with 42 chromosomes in telophase II, then each daughter cell will have 21 chromosomes Because meiosis II divides the chromosomes int o four haploid cells.
اگلی نچلی ٹرافک سطح پر دوسرے جانداروں پر ان کے وجود کے لیے انحصار کرنے والے جانداروں کا ربط کیا کہلاتا ہے؟
Answer: Food chain
Explanation A food chain represents the linear sequence of organisms dependent on each other for food and energy. It shows how energy flows from one trophic level to the next in an ecosystem.
ایک پاؤنڈ خام ریشم تیار کرنے کے لیے تقریباً ______ کوکون ریشم کی ضرورت ہوتی ہے۔
Answer: 2300-2600
Explanation To produce 1 lb of raw silk, approximately 2300-2600 silk cocoons are required. The number varies depending on the silk quality and size of the cocoons.
ایمفیڈرومس مچھلیاں _______ کے لیے تازہ سے سمندری اور سمندری سے تازہ کی طرف ہجرت کرتی ہیں؟
Answer: Feeding
Explanation Amphidromous fishes migrate between freshwater and marine environments primarily for feeding purposes. These migrations are not directly related to spawning but ensure access to diverse food sources.
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