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۔
ایک اہم خصوصیت کی خصوصیت ، جو صرف فیلم کویلینٹیرٹا میں موجود ہے؟
Nematocysts
Flame cells
Polymorphism
None of these
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Explanation
Nematocysts are specialized stinging cells unique to Coelenterata (Cnidaria). It is used for defense and capturing prey. These are found in jellyfish, corals, and sea anemones.
انسانی بیماری کے سب سے اہم ویکٹر (ٹرانسمیشن ایجنٹ) شاید _____ ہوں گے؟
Fleas
Beetles
Ants
None of these
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Explanation
Fleas are major vectors of diseases like plague (Yersinia pestis) and typhus . They transmitting pathogens through their bites. Other insects like mosquitoes and ticks are also significant disease vectors.
غیر قطبی نیوران ____ میں نظر آتے ہیں؟
Starfish
Molluscs
Sponges
None of these
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Explanation
Non-polar neurons lack distinct axons and dendrites. They are seen in sponges , which have a simple nerve-less body structure. Sponges rely on water flow and do not have a true nervous system.
Because of
Because that
It is because
Because
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Explanation
The sentence should read: "No one knows what color dinosaurs were because no sample of their skin has survived." کوئی نہیں جانتا ہے کہ ڈایناسور کیا رنگ تھے کیونکہ ان کی جلد کا کوئی نمونہ زندہ نہیں بچا ہے۔ " Because " is a subordinating conjunction used to introduce a dependent clause that provides a reason or explanation for the main clause. In this case, the lack of surviving skin samples is the reason why we don't know the color of dinosaurs.
کھروں والے جانوروں جیسے گھوڑے کی ابتدا _____ میں ہوئی ہے؟
Oligocene epoch
Eocene epoch
Miocene epoch
None of these
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Explanation
The earliest horse-like hoofed animals, such as Eohippus (Hyracotherium ). It appeared during the Eocene epoch (about 56–33.9 million years ago). These early horses were small, with multiple toes , later evolving into modern hoofed horses.
فیریٹمس میں پیٹ کے گلینڈ کے خلیات _____ تیار کرتے ہیں؟
Lipase
Amylase
Mucus
None of these
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Explanation
In Pheretima (Earthworm) , gland cells in the stomach secrete mucus to aid in food lubrication and digestion . Mucus helps in the smooth passage of food and prevents damage to the gut lining.
مندرجہ ذیل میں سے کون سا آٹومیمون ڈس آرڈر ہے؟
Hashimoto's disease
Wilson's disease
Parkinson's disease
None of these
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Explanation
Hashimoto's disease is an autoimmune disorder where the immune system attacks the thyroid gland, leading to hypothyroidism. It causes fatigue, weight gain, and swelling of the thyroid (goiter).
وہ جانور جو ماحول کے درجہ حرارت میں تبدیلی سے سب سے زیادہ متاثر ہوتے ہیں وہ ______ ہیں؟
Homeothermic
Aquatic
Poikilotherm
None of these
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Explanation
Poikilothermic animals (cold-blooded) cannot regulate their body temperature internally, so they are highly affected by environmental temperature changes . Examples include reptiles, amphibians, and fish.
My favorite colors are red: blue and green.
My favorite colors are red, blue and green.
My favorite, colors are red, blue and green.
None of these
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Explanation
A comma is needed to separate items in a list for clarity. The correct punctuation follows standard grammar rules.
پیلیزوک ایرا میں _____ شامل نہیں ہے؟
Cambrian period
Silurian period
Triassic period
None of these
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Explanation
The Triassic period belongs to the Mesozoic Era , not the Paleozoic Era . The Paleozoic Era includes the Cambrian, Ordovician, Silurian, Devonian, Carboniferous, and Permian periods.
