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.
ہوبارا بسٹرڈ ہجرت کرنے والے پرندوں میں سے ایک ہے، جو خطرے سے دوچار فہرست میں شامل ہے۔ اسے مقامی طور پر کیا کہتے ہیں؟
A. Koonj
B. Baaz
C. Tiloor
D. Chakor
Check answer and explanation
Answer: Tiloor
Explanation The Houbara Bustard is called "Tiloor" and is located locally in some parts of India. In Balochistan, Pakistan, it is known as the "provincial bird
Explanation James Hutton proposed the concept of gradualism . He suggesting that geological changes occur slowly over long periods of time. This theory laid the foundation for understanding Earth's history. He was influential in the development of evolutionary theory.
Explanation Fossorial means digging or burrowing animals. An animal adapted to living underground, often by digging a burrow and/or tunnels. Some examples of fossorial animals are earthworms, ants, moles, voles, and shrews .
Explanation Phylogenies now include fossil, morphological, and molecular data for constructing evolutionary relationships. This combination provides a comprehensive understanding of species ' ancestry and diversification.
جب آپ اپنی سانس روکتے ہیں، تو درج ذیل میں سے کون سی خون کی گیس کی تبدیلی سب سے پہلے سانس لینے کی خواہش کا باعث بنتی ہے؟
A. None of these
B. Both A and B
C. Rising CO2
D. Falling O2
Check answer and explanation
Answer: Rising CO2
Explanation The primary trigger for the urge to breathe is an increase in carbon dioxide (CO2) levels in the blood. Rising CO2 leads to higher acidity (lower pH). It stimulates the respiratory centers in the brain.
میٹھے پانی کی مچھلی کی فارمنگ میں نامیاتی کھاد کا زیادہ استعمال ______ جیسی بیماری کا سبب بن سکتا ہے؟
A. Lymphocystis
B. None of these
C. White spot
D. Gill rots
Check answer and explanation
Answer: Gill rots
Explanation Excessive organic manure leads to water pollution . It promoting bacterial growth that causes gill rots. This condition damages fish gills , impairing respiration and leading to high mortality.
Explanation Eutrophication is a process of nutrient over-enrichment in water bodies. This leading to algal blooms and ecosystem harm, not a beneficial ecosystem service. Ecosystem services include detoxification, decomposition, and purification. It support environmental health and resource sustainability.
Explanation The hormone that is not secreted by the anterior pituitary gland is Oxytocin. Oxytocin is secreted by the posterior pituitary gland, while the anterior pituitary secretes hormones Like growth hormone, follicle-stimulating hormone, and adrenocorticotropic hormone
وجود کی جدوجہد میں ، جو جانور زندہ رہتے ہیں وہ ہمیشہ _____ ہوتے ہیں؟
A. Fittest
B. Heaviest
C. None of these
D. Strongest
Check answer and explanation
Answer: Fittest
Explanation According to Darwin's theory of natural selection , " survival of the fittest " means that organisms best adapted to their environment are more likely to survive and reproduce. Fitness refers to an organism's ability to survive and pass on its genes , not just physical strength or size.
ایک انزائم جو فاسفیٹ گروپ کو دوسرے مالیکیول سے جوڑتا ہے اسے _______ کہا جاتا ہے؟
A. Phosphorylase
B. None of these
C. Kinase
D. Phosphatase
Check answer and explanation
Answer: Kinase
Explanation A kinase is an enzyme that transfers a phosphate group from ATP to a specific substrate. This process is called phosphorylation. It plays a key role in cellular signaling and metabolism.
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