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۔
برونر کے غدود اور لیبرکہن کے کریپٹس ______ میں پائے جاتے ہیں؟
Liver
Stomach
Duodenum
None of these
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Explanation
Brunner's glands are located in the submucosa of the duodenum . It is secrete alkaline mucus to protect the intestinal lining. Crypts of Lieberkühn are found in the mucosa of the small intestine . It is help in the secretion of digestive enzymes.
ہائپوتھلمس کے ذریعہ کون سے ہارمونز کی ترکیب کی جاتی ہے؟
Oxytocin
Vasopressin
Releasing factors
All of the above
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Explanation
The hypothalamus synthesizes oxytocin and vasopressin (ADH). They are stored in the posterior pituitary for release. It also produces releasing factors (hormones) that regulate the anterior pituitary gland.
Mucous glands found in frogs
Mucous glands found in toads
Tear glands found in rabbit
None of these
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Explanation
Parotid glands in toads secrete toxins as a defense mechanism against predators. These glands are located behind the eyes and produce a milky , bitter secretion.
میں فیمورل غدود پائے جاتے ہیں؟ ______
Reptiles
Mammals
Birds
None of these
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Explanation
Femoral glands are specialized secretory glands located on the inner thighs of many lizards , especially iguanas and geckos. These glands secrete pheromones used for communication, territory marking, and mating.
امبیبین اب بھی پانی سے بندھے ہوئے ہیں اس کی بنیادی وجہ ______ ہے؟
They are cold blooded
They need to breath through moist skin
Their eggs are easily dedicated
None of these
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Explanation
Amphibians lay eggs without shells. This making them prone to drying out , so they require a moist or aquatic environment for reproduction. Many amphibians also rely on water for part of their life cycle, such as the larval stage (e.g., tadpoles).
مینڈک کا زہریلا نظام ______ کی موجودگی میں ستنداریوں سے مختلف ہے؟
Renal portal system
Hepatic portal system
Superior vena cava
None of these
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Explanation
Frogs have a renal portal system . It carries blood from the hind limbs to the kidneys before reaching the heart. Mammals lack this system, as their venous return follows a direct route to the heart.
ستنداریوں میں ایڈیپوز ٹشو _______ پایا جاتا ہے؟
In the dermis
Below the dermis
In the epidermis
None of these
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Explanation
Adipose tissue in mammals is located below the dermis in the hypodermis (subcutaneous layer). It serves as an energy reserve, provides insulation, and cushions the body.
بیضوی ستنداریوں کو کون سا ہے؟
Bat
Shrew
Spiny anteater
None of these
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Explanation
Spiny anteater (Echidna) is an oviparous mammal. This meaning it lays eggs . Most mammals, including bats, shrews, and kangaroos , give birth to live young (viviparous).
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.
