SPSC LECTURER ZOOLOGY PAST PAPERS 2000 TO TILL DATE
Zoology 5 years Past Papers Click here
چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
ٹنڈرا اوپر کی مٹی منجمد ہے اور اسی وجہ سے اسے _____ کے نام سے جانا جاتا ہے؟
- Eufroat
- Permafrost
- Hemifrost
- None of these
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Explanation
Permafrost refers to soil that remains frozen year-round in Tundra regions.It prevents deep-rooted plants from growing and significantly affects the ecosystem.
نیم سرکلر نہر بنیادی طور پر _____ کے اعضاء ہیں؟
- Balance
- Hearing
- Both A and B
- None of these
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Explanation
Semi-circular canals are part of the inner ear and help maintain balance and spatial orientation by detecting head movements.Hearing is primarily managed by the cochlea, not the semi-circular canals.
ڈاگ فش سپلائیوں میں گلوسوفرینگیل (نائین) اعصاب _____؟
- First gill
- Tongue
- Both A and B
- None of these
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Explanation
The Glossopharyngeal (IX) nerve in dogfish (a type of cartilaginous fish) supplies the first gill (branchial arch) and parts of the tongue.It plays a role in gill respiration and sensory functions of the tongue.
واٹر واسکولر سسٹم ______ کی ایک خصوصیت ہے؟
- Enterpeusta
- Endoprocta
- Echinodermata
- None of these
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Explanation
The water vascular system is a unique feature of echinoderms (e.g., starfish, sea urchins) used for locomotion, feeding, and respiration.It consists of tube feet and a network of canals that function using hydraulic pressure.
میسوزوک دور ______ کی عمر تشکیل دیتا ہے؟
- Reptiles
- Fishes
- Mammals
- None of these
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Explanation
The Mesozoic Era (252–66 million years ago) is known as the "Age of Reptiles".Because dinosaurs dominated the land during this period.
This era includes the Triassic, Jurassic, and Cretaceous periods, leading to the rise of birds and mammals.
پلازموڈیم میں پری ایریٹروسائٹک سائیکل _____ میں ہوتا ہے؟
- Spleen
- Plasma
- Liver
- None of these
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Explanation
The pre-erythrocytic cycle of Plasmodium occurs in the liver after the parasite enters the human body through a mosquito bite.In the liver, Plasmodium undergoes asexual replication before infecting red blood cells (erythrocytes).
ٹورناریا لاروا جب دریافت ہوا کہ 1850 ______ کے لاروا کی حیثیت سے غلطی سے تھا؟
- Polychaete
- Ascides
- Echinoderm
- None of these
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Explanation
Tornaria larva was discovered in 1850.It was initially mistaken as an Echinoderm larva due to its resemblance to bipinnaria and pluteus larvae.Later, it was identified as the larval stage of Hemichordates (e.g., Balanoglossus).
پلانولا لاروا اور پلوٹیس لاروا کا تعلق _____ سے ہے؟
- Echinodermata
- Coelenterata
- Both A and B
- None of these
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Explanation
Planula larva is the free-swimming larval stage of Coelenterates (e.g., jellyfish, corals).Pluteus larva is the characteristic larval form of Echinoderms (e.g., sea urchins, brittle stars).
بالغ لیمپری میں نوٹوچورڈ _____ ہے؟
- Absent
- Persistent
- Reduced
- None of these
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Explanation
In adult lampreys, the notochord remains throughout life and functions as the primary axial support structure.Unlike vertebrates with fully developed backbones, lampreys lack true vertebral bones, relying on the persistent notochord for structural support.
ٹینیا سولیم کا ثانوی میزبان ____ ہے؟
- Pig
- Ox
- Man
- None of these
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Explanation
Taenia solium (Pork tapeworm) uses pigs as the secondary host, where larvae (cysticerci) develop in their muscles.Humans are the primary host, getting infected by consuming undercooked pork containing cysticerci.
