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 Fossil fuels like coal, oil, and natural gas are primarily composed of carbon and h ydrogen. These elements are stored energy from ancient plants and organisms. When burned, they release energy along wit h carbon dioxide and water. The high carbon and hydrogen content makes them excellent sources of fuel. Oxygen and nitrogen are present in very small amounts compared to carbon and hydrogen.
Explanation Panthers can reach an average speed of 70 km/h while sprinting, especially during hunting . Their agility and speed make them effective predators in the wild.
رینگنے والے جانوروں اور پرندوں کے درمیان کون سا ربط ہے؟
A. None of these
B. Archaeopteryx
C. Sphenodon
D. Dodo
Check answer and explanation
Answer: Archaeopteryx
Explanation Archaeopteryx is the connecting link between reptiles and birds. It showing features of both groups. It had feathers like birds and skeletal traits similar to reptiles .
Explanation Bacteria lack endoplasmic reticulum because they are prokaryotic and do not have membrane-bound organelles. In contrast, eukaryotic cells , including ova and embryonic cells , contain endoplasmic reticulum for protein and lipid synthesis.
آنتوں کا پرجیوی انسانوں میں امیبک پیچش کا سبب ____ بنتا ہے؟
A. Trichonymphas
B. Entamoeba histolytica
C. Apocomplexans
D. Pelomyxa palustris
Check answer and explanation
Answer: Entamoeba histolytica
Explanation The intestinal parasite that causes amoebic dysentery in humans is Entamoeba histolytica. Amoebic dysentery is a disease caused by the protozoan parasite Entamoeba histolytica.
Explanation Testosterone is linked to aggressive behavior and can promote feelings of anger. Higher levels of testosterone are associated with increased aggression in both animals and humans.
اس عمل کو کیا کہتے ہیں جب ایک خلیہ دوسرے خلیے کو گھیر لیتا ہے؟
A. Phagocytosis
B. Osmosis
C. Mitosis
D. Diffusion
Check answer and explanation
Answer: Phagocytosis
Explanation Phagocytosis is when a cell (usually a white blood cell) engulfs and digests foreign particles, pathogens, or debris. It is a key immune response component, helping the body defend against infections. Cells that carry out this process are called phagocytes, which include certain types of white blood cells, such as macrophages.
Explanation Taenia solium (Pork tapeworm) uses pigs as the secondary host , where larvae (cysticerci) develop in their muscles. Humans are the primary host , getting infected by consuming undercooked pork containing cysticerci .
ایک غذا جس میں ایک یا زیادہ غذائی اجزاء کی کمی ہو، یا ایسی غذا جو مسلسل جسم کی ضروریات سے کم کیمیائی توانائی فراہم کرتی ہو، ______ کا باعث بنتی ہے؟
A. Undernutrition
B. Malnutrition
C. None of these
D. Overnutrition
Check answer and explanation
Answer: Malnutrition
Explanation Malnutrition refers to a condition where the diet lacks essential nutrients . This leading to various health problems. It can result from either nutrient deficiencies or an imbalance in the nutrients provided to the body.
آئنوں کا ارتکاز میلان ہو سکتا ہے جسے ________ کہا جاتا ہے جو آئنک حرکت کی خالص سمت کا تعین کرتا ہے؟
A. Physical gradient
B. Electrical gradient
C. None of these
D. Electrochemical gradient
Check answer and explanation
Answer: Electrochemical gradient
Explanation An electrochemical gradient combines the concentration gradient and electrical gradient of ions. It determines the net direction of ionic movement across membranes.
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