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 Pertussis is commonly known as whooping cough. What it is: Pertussis is a highly contagious bacterial disease of the respiratory tract. Cause: It's caused by the bacterium Bordetella pertussis. How it spreads: It spreads through droplets produced when an infected person coughs or sneezes
شریانیں، رگیں اور کیپلیریاں خون کی نالیوں کی تین اہم اقسام ہیں۔ ہر قسم کے اندر خون صرف ایک سمت میں بہتا ہے۔ وہ رگیں جو خون کو دل سے دور لے جاتی ہیں ______؟
A. None of these
B. Arterioles
C. Arteries
D. Veins
Check answer and explanation
Answer: Arteries
Explanation Arteries carry blood away from the heart and have thick walls to withstand high pressure. They transport oxygenated blood (except the pulmonary artery) to various parts of the body.
Explanation Competition (-/-) refers to an interaction where both organisms are harmed as they compete for the same resources. It occurs when two species or individuals struggle for limited resources, affecting their survival or reproduction.
جب آبادی ہارڈی وائنبرگ کے توازن میں ہے، تو درج ذیل میں سے کون سا سچ ہے؟
A. Individuals migrate randomly
B. Mating is random
C. Population size to be limited
D. None of these
Check answer and explanation
Answer: Mating is random
Explanation In Hardy-Weinberg equilibrium, random mating occurs , meaning individuals do not mate based on selective factors. This equilibrium also assumes no mutation, migration, or natural selection , and a sufficiently large population size to maintain genetic stability.
Explanation Spiny anteater (Echidna) is an oviparous mammal. This meaning it lays eggs . Most mammals, including bats, shrews, and kangaroos , give birth to live young (viviparous).
کے سنکچن کے نتیجے میں خوراک ہاضمہ کے ساتھ ساتھ حرکت کرتی ہے؟ ______
A. Smooth muscles
B. None of these
C. Cardiac muscles
D. Voluntary muscles
Check answer and explanation
Answer: Smooth muscles
Explanation Smooth muscles in the digestive tract contract involuntarily to move food along through peristalsis . These contractions are essential for the movement of food and digestion.
ریزرو زون کے آس پاس کے رہائش گاہوں کو کیا کہتے ہیں؟
A. None of these
B. Degraded habitats
C. Buffer zones
D. Conservation areas
Check answer and explanation
Answer: Buffer zones
Explanation The surrounding habitats of a zone reserved are called buffer zones . It designed to reduce the impact of external threats on the core protected area. These zones often allow limited human activity while maintaining ecological stability around the reserved zone.
ایک اوریوہسٹریکٹومی کو مندرجہ ذیل تمام وجوہات کی بناء پر انجام دیا جاسکتا ہے سوائے اس کے کہ؟
A. Prevention of prostate cancer
B. Prevention of pyometra
C. Prevention of estrous
D. Sterilization of the animal
Check answer and explanation
Answer: Prevention of prostate cancer
Explanation Ovariohysterectomy is removal of ovaries and uterus, used for sterilization , preventing estrous , and pyometra in females. It cannot prevent prostate cancer , which is a male reproductive organ disease.
Explanation Rainbow trout (Oncorhynchus mykiss) is a freshwater fish native to cold-water rivers. It is popular in aquaculture . It is valued for its vibrant coloration and taste.
امبیبین اب بھی پانی سے بندھے ہوئے ہیں اس کی بنیادی وجہ ______ ہے؟
A. They need to breath through moist skin
B. They are cold blooded
C. Their eggs are easily dedicated
D. None of these
Check answer and explanation
Answer: Their eggs are easily dedicated
Explanation Amphibians lay eggs without shells. This making them prone to drying out , so they require a moist or aquatic environment for reproduction. Many amphibians also rely on water for part of their life cycle, such as the larval stage (e.g., tadpoles).
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