BIOLOGY
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چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
ہیموگلوبن سے آکسیجن زیادہ تر کہاں خارج ہوتی ہے؟
- Arteries
- Body tissues
- Heart
- None of these
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Explanation
- Oxygen is released from hemoglobin mainly in body tissues.
- Hemoglobin carries oxygen in the blood from lungs to body.
- In tissues, oxygen is needed for cellular respiration.
- Low oxygen concentration in tissues helps release oxygen.
- This process ensures energy production in cells.
Last verified on 08-06-2026
مندرجہ ذیل میں سے کون سے خون کے خلیے خون کے جمنے میں اہم کردار ادا کرتے ہیں؟
- Thrombocytes (Platelets)
- Leukocytes (White Blood Cells)
- Erythrocytes (Red Blood Cells)
- None of these
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Explanation
- Thrombocytes (Platelets) help in blood clotting.
- They stop bleeding by forming a clot at the injury site.
- They stick together when a blood vessel is damaged.
- This prevents excess blood loss.
- They are essential for wound healing.
Last verified on 07-06-2026
سیب کس چیز سے بھرپور ہوتا ہے؟
- Iron / Fiber
- Phosphorus
- Calcium
- None of these
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Explanation
- Apple is rich in iron and dietary fiber.
- Iron helps in blood formation (RBC production).
- Fiber helps in digestion and stomach health.
- Apple also contains vitamins and antioxidants.
- It is a very healthy fruit for daily use.
Last verified on 07-06-2026
کون سا عضو ہمارے خون کو صاف کرتا ہے؟
- Haert
- Kidney
- Lungs
- Tissue
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Explanation
- The kidneys purify the blood in the human body.
- They remove waste materials and extra water.
- Kidneys help maintain the body’s chemical balance.
- Each person has two kidneys.
- They produce urine as a waste product.
Last verified on 07-06-2026
دماغ کا کون سا حصہ توازن، ہم موافقت (کوآرڈینیشن) اور عام قسم کی مشروط جواب میں اہم کردار ادا کرتا ہے؟
- Cerebellum
- Thalamus
- Hypothalamus
- None of these
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Explanation
- The Cerebellum controls body balance and coordination.
- It helps in smooth movement of muscles.
- It is also involved in simple learned (conditioned) responses.
- It works with other brain parts to maintain posture.
- Damage to it causes loss of balance and shaky movements.
Last verified on 07-06-2026
سن سائیٹیئل تھیوری کس چیز کی وضاحت کرتی ہے؟
- Formation of coelom
- Symmetry of animal
- Origin of life
- Origin of metazoa
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Explanation
- Syncytial theory explains the origin of multicellular animals (metazoa).
- It suggests that metazoans evolved from a multinucleated single cell (syncytium).
- Cell membranes later formed around nuclei to create separate cells.
- It explains early evolution of multicellular organisms.
Last verified on 04-06-2026
مندرجہ ذیل میں سے کس جانور میں دوران خون نظام گیسوں کی ترسیل میں شامل نہیں ہوتا؟
- Mouse
- Dragonfly
- Trout
- Sparrow
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Explanation
- In dragonfly, the circulatory system does not transport gases.
- Gas exchange occurs through a tracheal system.
- Air directly reaches tissues through spiracles and tracheae.
- Blood is not involved in oxygen transport.
Last verified on 04-06-2026
پھیپھڑوں کی سب سے باریک اور سب سے زیادہ تعداد میں پائی جانے والی نالیاں کیا کہلاتی ہیں؟
- Bronchus
- Alveoli
- Bronchioles
- Hilum
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Explanation
- Bronchioles are the narrowest and most numerous air passages in lungs.
- They branch from bronchi and lead to alveoli.
- They help in controlling airflow in the lungs.
- They are an important part of the respiratory system.
Last verified on 04-06-2026
زائموجن خلیات کہاں پائے جاتے ہیں؟
- Stomach
- Kidney
- Brain
- Liver
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Explanation
- Zymogen cells are found in the stomach lining.
- They secrete inactive enzyme precursors called zymogens.
- These are activated into digestive enzymes in the stomach.
- They help in protein digestion.
Last verified on 04-06-2026
مندرجہ ذیل میں سے کون سی بیماری کیڑے کی وجہ سے ہوتی ہے؟
- Sickle-cell anemia
- Klinefelter's syndrome
- Ringworm
- Treichinosis
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Explanation
- Trichinosis is a disease caused by a parasitic worm.
- It is caused by Trichinella spiralis.
- It spreads through undercooked or infected meat.
- It affects muscles and digestive system in humans.
Last verified on 04-06-2026
