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.
ایچینوڈرمز میں ڈیویٹروسٹوم پیٹرن کس چیز سے ثابت ہوتا ہے؟
A. Determinate development
B. None of these
C. Enterocoely
D. Spiral cleavage
Check answer and explanation
Answer: Enterocoely
Explanation Echinoderms are deuterostomes . In deuterostomes: The blastopore becomes the anus . The coelom forms by the outpocketing of the archenteron , called enterocoely . Spiral cleavage and determinate development are characteristics of protostomes , not deuterostomes. Last updated question 25 feb 2026
A. 6-Carbon sugar, Nitrogenous base, Nitrate group
B. 4-Carbon sugar, Nitrogenous base, Ammonia group
C. None of these
D. 5-Carbon sugar, Nitrogenous base, Phosphate group
Check answer and explanation
Answer: 5-Carbon sugar, Nitrogenous base, Phosphate group
Explanation A nucleotide , the basic unit of DNA, consists of a 5-carbon sugar (deoxyribose), a nitrogenous base, and a phosphate group. These components link together to form the DNA's double-helix structure .
Explanation Poikilotherms are animals whose body temperature varies with the environment, like reptiles and amphibians . They rely on external heat sources to regulate their body temperature.
Explanation Schistosoma is a trematode (fluke), not a nematode . It causes schistosomiasis in humans. Trichinella, Ascaris, and Dracunculus are all nematode (roundworm) parasites .
کس نے ثابت کیا کہ مائکرو حیاتیات بیماری کا سبب بن سکتے ہیں؟
A. Louis Pasteur
B. Robert Kock
C. Robert Hooke
D. A.V. Leeuwenhoek
Check answer and explanation
Answer: Robert Kock
Explanation Robert Koch established the germ theory of disease by demonstrating a causal relationship. Between specific microorganisms and particular diseases , most notably with his research on anthrax.
جن انواع کو جنگلی میں معدوم ہونے کا خطرہ بہت زیادہ ہوتا ہے ان کو کیا کہتے ہیں؟
A. None of these
B. Critically endangered (CR)
C. Extinct in the wild (EW)
D. Endangered (EN)
Check answer and explanation
Answer: Critically endangered (CR)
Explanation Species categorized as Critically Endangered (CR) face an extremely high risk of extinction in the wild according to the IUCN Red List. This category includes species with severely declining populations, very limited geographic ranges, or other critical threats.
پرندے اور چمگادڑ اچھے اڑنے والے ہیں ، بلے _____ ہونے میں پرندوں سے مختلف ہے؟
A. Four chambered heart
B. None of these
C. Diaphragm
D. Three chambered heart
Check answer and explanation
Answer: Diaphragm
Explanation Bats have a diaphragm , a muscle that helps in breathing, while birds lack a diaphragm and use air sacs for respiration. Bats are mammals and have a four-chambered heart like birds, but they differ in their respiratory system.
Explanation The wildlife of Pakistan comprises a diverse flora and fauna i n a wide range of habitats from sea level to high elevation areas in the mountains, including 195 species of mammals ( including 13 subspecies ), Endemic Species: 6 Number of orders: 10 668 bird species More than 5000 species of Invertebrates