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۔
انوفیلس میں پلازموڈیم کی زندگی کے سائیکل کا مظاہرہ ______ کے ذریعہ کیا گیا؟
- Morgan
- Altman
- Grassi
- None of these
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Explanation
Giovanni Grassi demonstrated the life-cycle of Plasmodium in the Anopheles mosquito, identifying it as the vector for malaria transmission.His work was crucial in understanding the role of mosquitoes in the spread of the disease.
آدمی کو ایک تازہ تازہ ہوا کی مقدار کی کیا ضرورت ہے؟
- 100 cubic feet per every 20 minutes
- 100 cubic feet per every 05 minutes
- 100 cubic feet per every 20 seconds
- None of these
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Explanation
An ideal fresh air amount needed by a man is approximately 100 cubic feet of air every 20 minutes for proper ventilation.This helps ensure adequate oxygen supply and removes carbon dioxide from the environment.
ایپیڈیمولوجی کا باپ کون ہے؟
- John Snow
- Lamarck
- Darwin
- None of these
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Explanation
John Snow is considered the father of epidemiology.
It is the study of disease transmission.
It relies on collecting thorough data on both the patients as well as their surroundings.
Epidemiologists track diseases to help warn and protect the public.
کیڑے کا کون سا حصہ اوپر کے نیچے اور کیڑے کا چہرہ تشکیل دیتا ہے؟
- Occiput
- Gena
- Frons
- None of these
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Explanation
The frons is the part of an insect's head located below the vertex.It forming the face of the insect.It plays a role in the sensory and visual functions of the insect.
مندرجہ ذیل میں سے کس کو مچھر ہاک کے نام سے منسوب کیا گیا ہے؟
- Fruit fly
- Butter fly
- Dragon Fly
- None of these
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Explanation
The dragonfly is commonly referred to as a "mosquito hawk".Because it preys on mosquitoes and other small insects.Dragonflies are effective at controlling mosquito populations due to their hunting behavior.
کشیرے میں شریانیں _______ خون کی وریدوں ہیں۔
- Dilute
- Elastic
- Simple Thick
- None of these
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Explanation
Arteries in vertebrates are elastic blood vessels that can expand and contract to accommodate the high pressure of blood being pumped from the heart.Their elastic walls help maintain blood flow and regulate pressure.
ہائگروسیپٹرز ہوا کے ______ مواد کا پتہ لگاتے ہیں۔
- Metal
- Water
- Sand
- None of these
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Explanation
Hygroreceptors detect the water content or humidity in the air.They are sensitive to changes in moisture levels.It help organisms respond to environmental conditions.
کشیرکا کے اعصابی نظام میں _____ مین ڈویژن ہیں۔
- 4
- 2
- 3
- None of these
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Explanation
The nervous system of vertebrates is divided into two main divisions: 1. The central nervous system (CNS).2. The peripheral nervous system (PNS).The CNS consists of the brain and spinal cord.While the PNS includes all other neural elements.
تاخیر سے کھاد کچھ _______ میں ہوتی ہے؟
- Dogs
- Bats
- Horse
- None of these
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Explanation
Delayed fertilization occurs in some bat species, where fertilization is postponed until conditions are favorable.This adaptation allows bats to time reproduction with the availability of food resources.
وہیل آرڈر ______ سے تعلق رکھتے ہیں؟
- Xenarthra
- Cetacea
- Carnivore
- None of these
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Explanation
Whales belong to the order Cetacea.This includes all species of whales, dolphins, and porpoises.Cetacea is characterized by aquatic mammals adapted for life in the ocean.
