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۔
فلوکس اور ٹیپ کیڑے کیا رکھتے ہیں؟
- Show cephalization
- Have well-developed reproductive system
- Have well-developed reproductive nerve system
- Are free-living
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
- Flukes and tapeworms are parasitic flatworms (Platyhelminthes).
- They have a highly developed reproductive system.
- This helps them produce large numbers of eggs for survival.
- Other body systems like digestion are reduced or absent.
Last verified on 04-06-2026
مچھلیاں پہلی مرتبہ کون سے گروہ میں وجود میں آئیں؟
- Poikilotherms
- Chordates
- Amamniotes
- Tetrapoda
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
- Fishes are the earliest formed vertebrates in evolution.
- They belong to the phylum Chordata.
- Chordates are characterized by a notochord and dorsal nerve cord.
- Fishes represent the first major successful vertebrate group.
Last verified on 04-06-2026
ہائیڈرا کی میسوگلیا میں کیا پایا جاتا ہے؟
- Nerve cells
- Sensory cells
- Muscle cells
- No cells
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
- Mesoglea in Hydra is a non-cellular layer.
- It lies between the epidermis and gastrodermis.
- It mainly acts as a supporting and elastic layer.
- It does not contain true cells.
Last verified on 04-06-2026
انسانوں میں مونوسومی (ٹواین-1) غیر معمولی حالت کون سی ہے؟
- Klinefelter syndrome
- Turner's syndrome
- Edward's syndrome
- Down's syndrome
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
- Turner’s syndrome is a monosomic condition (2N − 1).
- It occurs when one X chromosome is missing in females.
- The karyotype is 45, X instead of 46 chromosomes.
- It leads to developmental and reproductive abnormalities.
Last verified on 04-06-2026
- Measure
- Check
- Assess
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
- “Assess” means to evaluate or judge something carefully.
- In testing, teachers evaluate students’ work.
- It is the most appropriate word for formal examination feedback.
- It implies checking quality, performance, or understanding.
Last verified on 04-06-2026
- Because of
- Because that
- It is because
- Because
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
- “Because of” is used before a noun phrase.
- The sentence explains the reason for unknown dinosaur color.
- No skin samples survived, so color cannot be known.
Last verified on 04-06-2026
کلاس آراکنڈا کے درج ذیل میں سے کون سے ارکان بنیادی طور پر طفیلی ہوتے ہیں؟
- Spider
- Ticks & Mites
- Trilobites
- Scorpions
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
- Ticks and mites are primary parasitic arachnids.
- They live on or inside host organisms and feed on blood or tissues.
- They can transmit diseases to humans and animals.
- Other arachnids are mostly free-living predators.
Last verified on 04-06-2026
انسانی جسم میں خون جمنے کے لیے درج ذیل میں سے کون سا ضروری ہے؟
- Phylloquinone
- Ergocalciferol
- Retinol
- All of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
- Phylloquinone is Vitamin K₁.
- It is essential for blood coagulation (clotting).
- It helps in synthesis of clotting factors in the liver.
- Without it, blood clotting process is impaired.
Last verified on 04-06-2026
لبلبہ سے خارج ہونے والا پولی پیپٹائیڈ ہارمون کون سا ہے؟
- Glycagon
- Ptyalin
- Glycogen
- Pancreozymin
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
- Glucagon is a polypeptide hormone secreted by the pancreas.
- It increases blood glucose level in the body.
- It works opposite to insulin.
- It is produced by alpha cells of islets of Langerhans.
Last verified on 04-06-2026
ڈاؤن سنڈروم کس وجہ سے ہوتا ہے؟
- Nondisjunction of chromosomes
- Crossing over between genes
- Linkages of genes
- Sex linked inheritance
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
- Down’s syndrome is caused by an extra copy of chromosome 21.
- This occurs due to nondisjunction during meiosis.
- Nondisjunction means chromosomes fail to separate properly.
- It results in trisomy 21 condition.
Last verified on 04-06-2026
