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۔
بالغ نطفہ ______ میں محفوظ ہیں؟
- Seminiferous tubules
- Vas deferens
- Epididymis
- None of these
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Explanation
Mature sperm are stored in the epididymis, where they gain motility and are kept until ejaculation.The epididymis is a coiled tube located at the back of the testes, connecting to the vas deferens.
کون سا اسفنج کا لاروا نہیں ہے؟
- Planula
- Amphiblastula
- Stomogastrula
- None of these
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Explanation
Planula is not a larva of sponges.It is the larval stage of cnidarians like jellyfish and corals.Sponge larvae include Amphiblastula and Stomogastrula, which develop into adult sponges.
- Omnivorous
- Herbivorous
- Carnivorous
- None of these
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Explanation
Cockroaches are omnivorous.It means they eat both plant and animal matter.They can consume a wide variety of organic materials, including food scraps, paper, and decaying matter.
چومنے والے کیڑے _______ کے ٹرانسمیٹنگ ایجنٹ کے طور پر کام کرتے ہیں؟
- Oriental sore
- Sleeping sickness
- Chagas disease
- None of these
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Explanation
Kissing bugs transmit Chagas disease.It is caused by the parasite Trypanosoma cruzi.The infection spreads through their feces when they bite humans, usually at night.
خلیوں میں سے کس میں آکسیجن کیریئر پروٹین ہیموگلوبن کی بڑی مقدار ہوتی ہے؟
- Macrophages
- Leucocytes
- Erythrocytes
- None of these
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Explanation
Erythrocytes (red blood cells) contain a large amount of hemoglobin, which carries oxygen in the blood.Hemoglobin binds oxygen in the lungs and transports it to tissues throughout the body.
سمندری اور میٹھے پانی کے جانوروں کے درمیان ایک بڑا فرق ______ میں ہے؟
- Toxicity of body fluids
- Mode of locomotion
- Productivity capacity
- None of these
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Explanation
A major difference between marine and freshwater animals lies in the toxicity of body fluids.As marine animals regulate high salt concentrations.While freshwater animals prevent excessive water absorption.This adaptation helps them maintain osmotic balance in their respective environments.
مندرجہ ذیل میں سے کون کاربوہائیڈریٹ نہیں ہے؟
- Cellulose
- Deoxyribose
- Hemoglobin
- None of these
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Explanation
Hemoglobin is not a carbohydrate.It is a protein responsible for oxygen transport in the blood.Cellulose, deoxyribose, and glycogen are carbohydrates with structural or energy storage functions.
کیڑوں میں ذائقہ کے اعضاء کو _____ کہا جاتا ہے؟
- Taste hairs
- Taste buds
- Taste filaments
- None of these
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Explanation
Taste hairs are the taste organs in insects.It is located on their mouthparts, antennae, or feet.These specialized sensory hairs detect chemical stimuli in the environment.
مندرجہ ذیل میں سے کس کو پھول جانور کہا جاتا ہے؟
- Obelia
- Jellyfish
- Sea anemone
- None of these
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Explanation
Sea anemones are called flower animals because they look like flowers.
They are marine animals that are part of the class Anthozoa, which means "flower animals" in ancient Greek.
They are cylindrical in shape.
They are attached to a substrate.
They are often brightly colored.
They can grow to be 1.8 to 10 cm in diameter.
The name "anemone" comes from the anemone flower.
درج ذیل بیماری میں سے ایک کیڑے کی وجہ سے ہوتی ہے؟
- Sickle-cell anemia
- Klinefelter's syndrome
- Ringworm
- Treichinosis
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Explanation
Treichinosis is a parasitic infection caused by the roundworm Trichinella spiralis.It is typically acquired by eating undercooked or raw meat, especially pork or wild game.
