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۔
ایک ایسا جانور جو دکھاتا ہے کہ مثبت فوٹوٹوکس؟
Moth
Roundworm
Paramecium
None of these
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Explanation
Positive phototaxis refers to movement toward light. Moths exhibit this behavior by flying toward light sources at night.
کون سی مچھلی ملیریا کو کنٹرول کرتی تھی؟
Rahu
Gambusia
Whale
None of these
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Explanation
Gambusia (mosquitofish) feeds on mosquito larvae, helping to control malaria by reducing mosquito populations. It is widely used in mosquito control programs due to its high larval consumption rate.
مندرجہ ذیل میں سے کون سا مکھی پانی میں انڈے دیتی ہے؟
Dragon fly
House fly
Sand fly
None of these
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Explanation
Dragonflies lay their eggs in water or on aquatic plants, where the larvae (nymphs) develop before emerging as adults. Houseflies and sandflies do not lay eggs in water; they prefer organic matter or moist soil.
کیڑوں کا کون سا سیٹ انسان کے لئے مفید ہے؟
Silk moth, honeybee and dragon fly
Honeybee, locust and lac insects
Lac insects, silk moth and honeybee
None of these
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Explanation
Lac insects produce lac , used in varnish and polish. Silk moths produce silk , a valuable textile fiber. Honeybees provide honey and beeswax and help in pollination.
فارمک ایسڈ ______ سے حاصل کیا جاتا ہے؟
Silk moths
Termites
Red ants
None of these
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Explanation
Red ants (Formicidae family) produce formic acid as a defense mechanism. This acid is released through their venom glands to deter predators.
ایک خاتون انوفیلس کے منہ کے حصے ________ کے ہیں؟
Lapping type
Sponging type
Piercing and sucking type
None of these
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Explanation
Female Anopheles mosquitoes have piercing and sucking mouthparts adapted for feeding on blood. Their proboscis allows them to pierce the skin and suck blood , which is essential for egg development.
پہلا مرحلہ پنروتپادن ملیریا پرجیوی ______ میں مکمل ہوتا ہے؟
Stomach of man
Stomach of mosquito
Liver of man
None of these
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Explanation
The first phase of reproduction (exo-erythrocytic cycle) of Plasmodium occurs in the liver of humans , where sporozoites multiply and form merozoites. These merozoites are later released into the bloodstream , where they infect red blood cells.
مادی پرجیوی کا تولیدی چکر ______ پر مشتمل ہے؟
95 hours
72 hours
48 hours
None of these
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Explanation
The reproductive cycle of the Plasmodium species (malarial parasite) in humans typically lasts 48 hours in most species, such as P. vivax and P. falciparum . However, P. malariae has a longer cycle of 72 hours .
ریشم _____ سے حاصل کیا گیا ہے؟
Cocoons
Larvae
Eggs
None of these
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Explanation
Silk is obtained from the cocoons of silkworms (Bombyx mori) during the process of sericulture . The larvae spin silk fibers to form cocoons , which are later processed to extract silk threads.
کلیکس مچھر کے ذریعہ مندرجہ ذیل میں سے کون سا پرجیوی منتقل ہوتا ہے؟
Filaria
Plasmodium
Tapeworm
None of these
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Explanation
Culex mosquito transmits Wuchereria bancrofti , the parasite responsible for filariasis (elephantiasis) . Plasmodium is transmitted by Anopheles mosquito , while tapeworms are not transmitted by mosquitoes.
