EVERYDAY SCIENCE
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چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
خلیے کی تقسیم کے دوران اسپنڈل فائبرز کے جڑنے کے لیے جگہ فراہم کرنے والا عضیہ کون سا ہے؟
Centriole
Golgi apparatus
Vacuole
None of these
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Explanation
Centrioles help organize spindle formation during animal cell division . Spindle fibers attach to chromosomes at the kinetochores . They are located on the centromere region ; they do not attach directly to centrioles. Last verified on 25-10-2026
ایلومینیم کی زیادہ مقدار کن بیماریوں کے آغاز میں معاون ثابت ہو سکتی ہے؟
Parkinson's disease
Epilepsy
Alzheimer's disease
None of these
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Explanation
High aluminum exposure can be toxic, particularly to the nervous system , and may cause neurological problems. Aluminum has been investigated for a possible association with Alzheimer’s disease . Last verified on 25-10-2026
درج ذیل ہاضمے کے اعضا میں امائلیز کہاں موجود ہوتا ہے؟
1, 4 and 5
1, 2 and 3
2, 6 and 4
None of these
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Explanation
Amylase is a digestive enzyme that breaks down starch into simpler sugars. Mouth / Salivary glands (1) : Salivary glands produce salivary amylase, which begins starch digestion in the mouth. Pancreas (4) : The pancreas produces pancreatic amylase and releases it into the small intestine. Small intestine (5) : Pancreatic amylase acts in the small intestine to digest starch. The small intestine itself does not produce the main amylase enzyme. Last verified on 25-10-2026
ممالیہ کی اصطلاح کس نے متعارف کروائی؟
Lynn
Linnaeus
Darwin
None of these
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Explanation
Carl Linnaeus (1707–1778), a Swedish botanist and zoologist , introduced the class name Mammalia in 1758 in the 10th edition of his book Systema Naturae . The term Mammalia refers to animals that possess mammary glands and feed their young with milk . Linnaeus is widely known as the father of modern taxonomy . Because he developed a systematic method of classifying organisms. Examples of mammals include humans, whales, bats, elephants, and dogs . Last verified on 25-10-2026
ارتقائی نظریے کے مطابق ارتقا کے عمل کا آغاز کس قوت سے ہوا؟
Extinction
Adaptation
Variation
None of these
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Explanation
Variation refers to differences in characteristics among individuals of the same species . These differences provide the raw material for evolution . Genetic variations arise through mutations and recombination, creating differences that natural selection can act upon . Last verified on 25-10-2026
Codominance was being shown
Polygenic inheritance was involved
The gene loci were linked
None of these
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Explanation
A 3:1 phenotypic ratio is classically associated with a monohybrid cross involving complete dominance and Mendelian segregation . In a dihybrid cross, linked genes may produce deviations from the expected 9:3:3:1 ratio because linked genes tend to be inherited together. Last verified on 25-10-2026
نظامِ ہاضمہ کا وہ کون سا حصہ ہے جو براہِ راست غذا کے رابطے میں نہیں آتا؟
Large intestine
Small intestine
Liver
None of these
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Explanation
The liver is an accessory organ of the digestive system. Food does not pass through it. The liver produces bile , which helps emulsify fats into smaller droplets for easier digestion. The gallbladder stores and concentrates bile , releasing it into the small intestine when needed. Last verified on 25-10-2026
اینٹی سیرم ایسا سیرم ہے جس میں کیا موجود ہوتا ہے؟
Antigen
Antibiotic
Antibody
None of these
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Explanation
Antiserum is blood serum containing specific antibodies against a particular antigen, toxin, or infectious agent . These antibodies help neutralize harmful substances or identify specific pathogens. Antiserum may provide passive immunity, which offers immediate but temporary protection . Last verified on 25-10-2026
خلیے کا سب سے اہم نامیاتی مرکب کون سا ہے جو خلیے کی تقریباً تمام سرگرمیاں انجام دیتا ہے؟
Lipids
Carbohydrates
Protein
None of these
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Explanation
Proteins perform a wide range of cellular functions, including catalysing chemical reactions, transporting substances, and supporting cell structure. Enzymes are mostly proteins that speed up biochemical reactions essential for life. Proteins are made of amino acids linked together by peptide bonds. Last verified on 25-10-2026
سیل کا سب سے اہم حصہ جو سیل کی تمام سرگرمیوں کو کنٹرول کرتا ہے اسے _____ کہا جاتا ہے؟
Vacuole
Mitochondria
Golgi bodies
Nucleus
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Explanation
The nucleus is the control center of the cell . It regulates all vital activities like growth, reproduction, and metabolism . It contains genetic material (DNA). Ribosomes make proteins, and cytoplasm supports cell structure. Last verified on 04-05-2026
