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.
کس قسم کی آبادی جے کے سائز کے نمو کے منحنی خطوط کی پیروی کرتی ہے؟
A. Populations that reproduce asexually
B. Populations with short life cycle
C. Populations with high reproductive rate
D. All of the above
Check answer and explanation
Answer: All of the above
Explanation J-shaped growth curves are observed in populations with short life cycles, asexual reproduction, or high reproductive rates . Due to their rapid, unchecked growth in ideal conditions. These populations grow exponentially until resources become limiting or environmental resistance sets in.
اب ایک دن سیپ میں نیوکلئس کے داخل ہونے کی جانچ کرنے کے لیے کون سی تکنیک استعمال کی جاتی ہے؟
A. γ-rays
B. β-rays
C. None of these
D. X-rays
Check answer and explanation
Answer: X-rays
Explanation X-rays are commonly used to check the insertion of the nucleus in oysters without harming the specimen. This non-invasive method helps in verifying the success of the nucleus implantation process.
Explanation Plasmodium is a genus of protozoan parasites that cause malaria. There are several species of Plasmodium that can infect humans , including P. falciparum, P. vivax, P. ovale, and P. malariae.
مچھلیاں ، زیادہ تر انورٹیبریٹس ، اور امبیبین ______ جانوروں کی مثال ہیں۔
A. Heterotherms
B. None of these
C. Endotherms
D. Ectotherms
Check answer and explanation
Answer: Ectotherms
Explanation Ectotherms rely on external environmental heat sources to regulate their body temperature. Examples include fish, amphibians, reptiles, and most invertebrates.
کیڑوں کے ذریعہ خارج ہونے والا اہم نائٹروجنس کچرا ______ ہے؟
A. Urea
B. Uric acid
C. None of these
D. Ammonia
Check answer and explanation
Answer: Uric acid
Explanation Insects excrete uric acid , which is insoluble in water and helps in conserving water . This adaptation is crucial for terrestrial insects to survive in dry environments.
کس قسم کی تولیدی تنہائی جب پرجاتی ایک دن یا موسم کے مختلف اوقات میں افزائش کرتی ہے؟
A. None of these
B. Temporal isolation
C. Behavioral isolation
D. Habitat isolation
Check answer and explanation
Answer: Temporal isolation
Explanation Temporal isolation occurs when species breed at different times of the day, seasons, or years, preventing interbreeding. This type of reproductive isolation ensures that individuals from different species do not mate due to differences in timing.
ایسی جگہ جہاں حیاتیات یا آبادی قدرتی طور پر ہوتی ہے ______ کہلاتا ہے؟
A. Feral
B. None of these
C. Community
D. Habitat
Check answer and explanation
Answer: Habitat
Explanation A place where an organism or population naturally occurs i s called a habitat. It is the "natural environment" where a species lives . Last updated NA 12-04-2026
Explanation Semi-intensive fish culture involves raising fish in ponds with moderate feeding and management practices. It combines natural food production with supplementary feed to increase fish yield efficiently.
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