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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شہتوت کے سلک کیڑا ______ ہے؟
Answer: Bombyx mori
Explanation Bombyx mori , which is the scientific name for the Mulberry silkworm. This species is widely cultivated for its silk production . It is often referred to as the "Domesticated silkworm" or simply "Silkworm".
گلائکوپروٹینز اور سیل جھلیوں کے گلائکولپڈس کے ساتھ منسلک پولی سیکرائڈز کا بنیادی کام _______ ہے؟
Answer: To mediate cell-to-cell recognition
Explanation Polysaccharides attached to glycoproteins and glycolipids. It play a key role in cell-to-cell recognition by serving as identification markers. These markers help cells communicate and identify each other . It crucial for immune responses and tissue formation.
نیتا روفینا کی ٹانگوں اور پیروں کا رنگ ______ ہے؟
Answer: Reddish orange
Explanation Netta rufina , is also known as the red-crested pochard. It has reddish-orange legs and feet. This coloration complements its vibrant, distinctive appearance.
زیر غور زمین یا آبی ماحولیاتی نظام کے رقبے کو جو کثافت کیا کہتے ہیں؟
Answer: Ecological density
Explanation Ecological density refers to the number of individuals per unit area or volume. It considering only the area that is suitable for living. This type of density accounts for the actual habitat available. Unlike crude density , which includes the entire area regardless of suitability.
Answer: Both (A) & (B)
Explanation Hagfish belong to Cyclostomes. Hagfish are jawless fish that are also known as cyclostomes. They are distinct from both cartilaginous fishes (like sharks) and bony fishes (most other fish). Hagfish are marine creatures that possess four hearts . These hearts pump blood through a series of vessels. These play a role in maintaining blood pressure and circulation.
چومنے والے کیڑے _______ کے ٹرانسمیٹنگ ایجنٹ کے طور پر کام کرتے ہیں؟
Answer: Chagas disease
Explanation Kissing bugs transmit Chagas disease. It is caused by the parasite Trypanosoma cruzi . The infection spreads through their feces when they bite humans , usually at night.
Answer: SA node
Explanation The SA (sinoatrial) node initiates the heartbeat. It produces rhythmic electrical impulses automatically. It sets the normal heart rate, so it i s called the natural pacemaker. Located in the r ight atrium It is the dominant pacemaker because its cells generate action potentials faster than other parts of the conduction system.
Answer: Stomata
Explanation During infection, fungi typically penetrate plant tissues through Stomata Fungi often enter plant tissues through natural openings like stomata, which are small pores on the surface of leaves.
وہ سائنس جو پودوں اور جانوروں کی جغرافیائی تقسیم کا مطالعہ کرتی ہے ______ ہے؟
Answer: Biogeography
Explanation Biogeography is the branch of science that studies the distribution of plants and animals across different geographic regions. It examines factors like climate, landforms, and evolutionary history influencing species distribution.
Answer: Alcoholic fermentation
Explanation The breakdown of glucose by microorganisms , such as yeast, is called alcoholic fermentation.
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