SPSC Lecturer Zoology Past Paper Dated: 13-02-2025 1- Which among the following accurately defines “Mother-of-pearl”? A. An oyster which yields the pearlB. A special large sized pearl found in JapanC. Female individual of certain species of shelled molluscD. Hard iridescent substance forming the inner layer of certain shell View Answer Answer : D. Hard iridescent substance forming the inner layer of certain shell Description 2- Who invented the infrared telescope? A. George GamowB. David AllanC. Frank LowD. David Gregory View Answer Answer : C. Frank Low Description 3- “Wax of ear” is produced by: A. Meibomian glandsB. Ceruminous glandsC. Zeis glandsD. Inguinal glands View Answer Answer : B. Ceruminous glands Description 4- Which of the following characters is not typical to class Mammalia? A. Seven cervical vertebraeB. Alveolar lungsC. Thecodont dentitionD. Ten pairs of cranial nerves View Answer Answer : D. Ten pairs of cranial nerves Description 5- Choose the correct possessive form: “The book belongs to Sarah and Mark.” A. Sarah and Mark’s bookB. Sarah’s and Mark’s bookC. Sarah’s and Marks’ bookD. Sarahs’ and marks’ book View Answer Answer : A. Sarah and Mark’s book Description 6- Which of the following is spelled correctly? A. ConscientiousB. ConsientiousC. ConscineitiousD. Conscienttious View Answer Answer : A. Conscientious Description 7- Prokaryotic genetic system contains: A. DNA and HistonesB. DNA or HistonesC. Only DNA and no HistonesD. Neither DNA nor Histones View Answer Answer : C. Only DNA and no Histones Description 8- Choose the correct form of the verb: “She ___ to the store yesterday.” A. goB. goesC. wentD. gone View Answer Answer : C. went Description 9- Identify the gerund in the sentence: “Swimming is my favorite activity.” A. SwimmingB. IsC. ActivityD. Favorite View Answer Answer : A. Swimming Description 10- ___ is not a true amphibian animal: A. ToadB. SalamanderC. TortoiseD. Frog View Answer Answer : C. Tortoise Description 11- What is the national animal of Pakistan? A. MarkhorB. Snow LeopardC. LionD. Tiger View Answer Answer : A. Markhor Description 12- Which of these is not a living fossil? A. FrogB. Duck-billed PlatypusC. LungfishD. Archaeopteryx View Answer Answer : D. Archaeopteryx Description 13- Which is the largest desert in the world? A. Sahara desertB. Arabian desertC. Gobi desertD. Kalahari desert View Answer Answer : A. Sahara desert Description 14- What is the name of event during gametogenesis when pieces of chromosome may reunited at correct sites but with wrong ends: A. InversionB. DuplicationC. DeletionD. None of these View Answer Answer : A. Inversion Description 15- Choose the correct synonym for the word “benevolent”. A. CruelB. KindC. SelfishD. Lazy View Answer Answer : B. Kind Description 16- Which one of the following is an example of analogous organ? A. Hand of man and leg of horseB. Wings of bat and birdC. Testis in male and ovaries in female developed from same embryonic tissueD. None of above View Answer Answer : B. Wings of bat and bird Description 17- Goiter is a disease caused by the insufficient amount of ______. A. MercuryB. IronC. IodineD. Magnesium View Answer Answer : C. Iodine Description 18- In which of the following Organs of alimentary canal, there is least or no peristalsis? A. OesophagusB. StomachC. IleumD. Rectum View Answer Answer : D. Rectum Description 19- Amphibians are considered to be evolved from___? A. NeurusB. VaranopeC. DipnoiD. Hagfishes View Answer Answer : C. Dipnoi Description 20- Lumen of stomach and intestine has: A. Squamous epitheliumB. Columnar epitheliumC. Cuboidal epitheliumD. Specialized epithelium View Answer Answer : B. Columnar epithelium Description 1 2 3