BIOLOGY
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چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
گلائیکولائسز کے دوران استعمال ہونے والے اے ٹی پی کی کل تعداد کتنی ہے؟
- 3
- 4
- 2
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
- In glycolysis, 2 ATP molecules are used (investment phase) at the beginning.
- Later, 4 ATP are produced, so net gain is 2 ATP.
- Glycolysis takes place in the cytoplasm of the cell.
- It is the first step of cellular respiration and does not require oxygen.
- Final products: 2 pyruvate + 2 NADH + net 2 ATP.
Last verified on 09-06-2026
نظامِ ہضم میں غذائی اجزاء کا زیادہ تر جذب کہاں ہوتا ہے؟)
- Stomach
- Large intestine
- Small intestine
- None of these
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Explanation
- The majority of nutrient absorption occurs in the small intestine.
- Digested food nutrients are absorbed into the blood.
- The small intestine has villi and microvilli to increase absorption area.
- It is the main site for absorption of proteins, carbohydrates, and fats.
Last verified on 08-06-2026
ماحول کی ساختی اور عملی اکائی کیا ہے؟
- Ecosystem
- Community
- Population
- None of these
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Explanation
- The ecosystem is the structural and functional unit of the environment.
- Ecosystem = Biotic + Abiotic components
- Biotic: plants, animals, microorganisms
- Abiotic: water, air, soil, sunlight
Last verified on 08-06-2026
فوٹوسنتھیسِس کے عمل میں گلوکوز کے ساتھ کیا پیدا ہوتا ہے؟
- Carbon dioxide
- Oxygen
- Water
- Carbo monoxide
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Explanation
- Photosynthesis produces glucose and oxygen.
- Green plants use sunlight, water, and carbon dioxide.
- This process occurs in chloroplasts using chlorophyll.
- Glucose is used as food for energy and growth.
- Oxygen is released as a byproduct into the atmosphere.
Last verified on 10-03-2026
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
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
