SPSC LECTURER ZOOLOGY PAST PAPERS 2000 TO TILL DATE
Zoology 5 years Past Papers Click here
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چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
پرندے اور چمگادڑ اچھے اڑنے والے ہیں ، بلے _____ ہونے میں پرندوں سے مختلف ہے؟
Diaphragm
Three chambered heart
Four chambered heart
None of these
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Explanation
Bats have a diaphragm , a muscle that helps in breathing, while birds lack a diaphragm and use air sacs for respiration. Bats are mammals and have a four-chambered heart like birds, but they differ in their respiratory system.
کلیمیڈوموناس ، وولووکس ، اور پانڈورینا کا تعلق _____ سے ہے؟
Phylum Protozoa, Order Chlamydomonadida
Phylum Protozoa, Order Phytomonadida
Phylum Protozoa, Order Cryptoempendia
None of these
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Explanation
Chlamydomonas, Volvox, and Pandorina are unicellular or colonial flagellated algae classified under the order Chlamydomonadida within Protozoa (historically) or Chlorophyta (modern classification) . They are photosynthetic organisms found in freshwater environments.
مایا کو عام طور پر ______ کہا جاتا ہے؟
Hard shelled calm
Devil calm
Mud calm
None of these
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Explanation
Mya is a genus of bivalve mollusks commonly known as mud clams because they are found burrowed in muddy or sandy marine habitats. They belong to the family Myidae . They are known for their soft shells.
کون سا جانور "مردہ آدمی کی انگلی" کے نام سے جانا جاتا ہے؟
Obelia
Pennatula
Alcyonium
None of these
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Explanation
Alcyonium is a genus of soft corals commonly called " Dead Man's Fingers " due to their fleshy, lobed appearance resembling swollen fingers. Found in marine environments , they belong to the phylum Cnidaria, class Anthozoa .
کفالت کے میسنکائم میں ، آثار قدیمہ _____ کا کام انجام دیتے ہیں؟
Formation of spiracles
Reproduction
Excretion
None of these
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Explanation
Archeocytes are totipotent amoeboid cells in the mesohyl that differentiate into various cell types, including gametes. They play a crucial role in reproduction (both sexual and asexual) and regeneration in sponges.
انوفیلس مچھر کا لاروا پانی میں تیرتا ہے؟
Vertically with head upwards
Vertically with head downward
Horizontally with tail exposed in air
None of these
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Explanation
The Anopheles mosquito larva floats horizontally in water, with its tail exposed to the air for breathing through spiracles. This is different from Culex mosquito larvae , which hang vertically in water.
میرین پروٹوزینز کو تازہ مرضی _____ میں منتقل کیا گیا؟
Enlarge
No change
Shrink
None of these
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Explanation
Marine protozoans are adapted to a high-salinity environment. When transferred to freshwater , osmosis causes water to enter their cells, leading to swelling. Without proper osmoregulation , excessive water intake may eventually cause the protozoan to burst.
اینٹاموبا ہسٹولیٹیکا کا انفیکٹو مرحلہ ______ ہے؟
Sporozoite
Trophozoite
Merozoite
None of these
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Explanation
The trophozoite stage of Entamoeba histolytica is the active, feeding, and disease-causing stage found in the host’s intestines. However, the infective stage is actually the mature cyst . It is ingested through contaminated food or water and then transforms into trophozoites in the intestine.
پلازموڈیم کا انفیکشن مرحلہ ______ ہے؟
Sporozoite
Trophozoite
Merozoite
None of these
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Explanation
The sporozoite stage is the infectious form of Plasmodium , transmitted to humans through a mosquito bite. Sporozoites travel to the liver, where they develop into merozoites .
ورٹیربیٹ گونڈس میں جراثیم کے خلیات ______ کے ذریعہ تیار کیے جاتے ہیں؟
Only meiosis
Only mitosis
Mitosis and Meiosis
None of these
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Explanation
Germ cells first multiply through mitosis to increase their number. They then undergo meiosis to produce haploid gametes (sperm or eggs).
