SPSC 25 YEARS PAST PAPERS 2001 TO 2026
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چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
برونر کے غدود _____ میں پائے جاتے ہیں؟
- Buccal cavity and pharynx
- Stomach and oesophagus
- Duodenum and ileum
- None of these
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Explanation
Brunner's glands are located in the submucosa of the duodenum and extend into the proximal ileum.Their function is to secrete alkaline mucus to protect the duodenal lining from acidic gastric secretions.
پیریپٹس ______ کے درمیان جنکشن ہے؟
- Molluscs and asterias
- Molluscs and hexapods
- Arthropods and annelids
- None of these
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Explanation
Peripatus is considered a transitional organism between arthropods and annelids.This showing characteristics of both groups.It is a type of velvet worm.It providing insights into the evolutionary link between these two major groups of animals.
مچھلیاں ، زیادہ تر انورٹیبریٹس ، اور امبیبین ______ جانوروں کی مثال ہیں۔
- Ectotherms
- Endotherms
- Heterotherms
- None of these
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Explanation
Ectotherms rely on external environmental heat sources to regulate their body temperature.Examples include fish, amphibians, reptiles, and most invertebrates.
- If he were here, he would help.
- If he was here, he would help.
- If he there, he would help.
- None of these
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Explanation
The subjunctive mood is used for hypothetical or contrary-to-fact situations.
"Were" (instead of "was") is used in such cases, even with singular subjects like "he."
ایک ہی پرجاتیوں کے افراد کے مابین کیمیائی اشاروں کو _____ کہا جاتا ہے؟
- Kinesis
- Pheromones
- Endogenous
- None of these
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Explanation
Pheromones are chemical signals released by an organism to communicate with others of the same species.They play roles in mating, territory marking, and social behavior.
پیٹ اور آنتوں کے لیمین میں _______ ہے؟
- Cuboidal epithelium
- Squamous epithelium
- Columnar epithelium
- None of these
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Explanation
Columnar epithelium lines the lumen of the stomach and intestines, aiding in absorption and secretion.It consists of tall, closely packed cells with microvilli to increase surface area.
امبیبینوں کو _____ سے تیار کیا جاتا ہے؟
- Dipnoi
- Newts
- Varanope
- None of these
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Explanation
Dipnoi (Lungfishes) are believed to be the closest living relatives of amphibians.It sharing traits like lungs for breathing air.Amphibians evolved from lobe-finned fishes, including lungfish, during the Devonian period.
الیمینٹری نہر کے مندرجہ ذیل اعضاء میں سے کس میں ، کم سے کم یا کوئی پیرسٹلسس نہیں ہے؟
- Stomach
- Rectum
- Oesophagus
- None of these
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Explanation
Peristalsis is the wave-like muscle contraction that moves food through the digestive tract.The rectum has the least peristalsis, as its primary function is storage before defecation.
مندرجہ ذیل میں سے کون سا مشابہ اعضاء کی مثال ہے؟
- Testis in male and ovaries in female developed from the same embryonic tissue
- Hand of man and leg of horse
- Wings of bat and bird
- None of the above
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Explanation
Analogous organs have similar functions but different evolutionary origins.Wings of a bat (mammal) and a bird (avian) serve the same function (flight) but evolved independently.
گیم ٹوجینیسیس کے دوران اس پروگرام کا کیا نام ہے جب کروموسوم کے ٹکڑے صحیح سائٹوں پر دوبارہ مل سکتے ہیں لیکن غلط سرے کے ساتھ؟
- Deletion
- Inversion
- Duplication
- None of these
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Explanation
Inversion occurs when a segment of a chromosome breaks off, reverses its orientation, and reattaches at the same location.This can lead to improper gene alignment but does not involve loss of genetic material like deletion.
