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چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
سیل ڈویژن کے دوران اسپنڈل فائبرز کی تشکیل میں خرابی ہو جائے تو سب سے زیادہ کون سا عمل متاثر ہوگا؟
- DNA replication
- Cytoplasmic division
- Chromosome segregation
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
- Spindle fibers are essential for chromosome movement.
- They attach to chromosomes during cell division.
- If spindle fibers are defective, chromosomes cannot separate properly.
- This mainly affects chromosome segregation.
- It can lead to abnormal cell division.
Last verified on 12-04-2026
ایک خاص قسم کے بیکٹیریا میں جینیاتی مزاحمت کی وجہ سے اینٹی بایوٹکس اثر کرنا بند کر دیتے ہیں۔ یہ کس چیز کی مثال ہے؟
- Natural selection
- Genetic drift
- Mutation
- None of these
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Explanation
- This situation illustrates Natural Selection.
- Some bacteria naturally have resistance genes.
- Antibiotics kill non-resistant bacteria.
- Resistant bacteria survive and reproduce.
- Over time, population becomes antibiotic-resistant.
Last verified on 12-04-2026
پودوں کے خلیے میں موجود اور جانوروں کے خلیے میں غیر موجود ساخت کون سی ہے؟
- Mitochondria
- Cell wall
- Plasma membrane
- Ribosome
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Explanation
- The cell wall is found only in plant cells (not in animal cells).
- It is made mainly of cellulose.
- It provides shape, strength, and protection to plant cells.
- Animal cells only have a plasma membrane, not a cell wall.
Last verified on 12-04-2024
ایمیلیز ان میں سے کس پر عمل کرتا ہے؟
- Nucleic Acid
- Polysaccharides
- Lipids
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
- Amylase is a carbohydrase enzyme.
- It specifically breaks down starch (a polysaccharide) into simpler sugars.
- It is present in saliva (salivary amylase) and pancreatic juice.
Last verified on 12-04-2026
ایک واحد خلوی جاندار جس کے پاس حقیقی نیوکلیس ہو اور جو اپنا خوراک خود بناتا ہو، زیادہ امکان ہے کہ وہ کیا ہوگا؟
- Plant
- Heterotroph
- Protist
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
- Protists are unicellular eukaryotic organisms (have true nucleus).
- Some protists like Euglena can make their own food using chlorophyll.
- They show both plant-like (autotrophic) and animal-like (heterotrophic) behavior.
Last verified on 12-04-2026
ایک جاندار اے دوسرے جاندار بی کو خوراک فراہم کرتا ہے اور بدلے میں پناہ حاصل کرتا ہے۔ اس ماحولیاتی تعلق کو کیا کہتے ہیں؟
- Mutualism
- Commensalism
- Parasitism
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
- Mutualism is a relationship where both organisms benefit.
- Here, A gives food and B gives shelter, so both gain advantages.
- Example: ants and aphids, clownfish and sea anemone.
Last verified on 12-04-2026
انیروبک تنفس کس چیز کی غیر موجودگی میں ہوتا ہے؟
- Carbon dioxide
- Nitrogen
- Oxygen
- None of these
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Explanation
- Respiration is the process of releasing energy from food.
- It can occur in two forms: aerobic and anaerobic respiration.
- Anaerobic respiration happens without oxygen.
- It is common in yeast, bacteria, and muscle cells during heavy exercise.
- It produces less energy compared to aerobic respiration.
Last verified on 12-04-2026
آفس آٹومیشن کے تناظر میں ہاٹ کی کی بہترین تعریف کیا ہے؟
- A programming language used to create desktop applications
- A software that manages hardware resources in a system
- A combination of keys is pressed to perform a specific function quickly
- None of these
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Explanation
- A hotkey is a shortcut key combination used in office automation.
- It allows users to perform tasks quickly without using menus.
- Hotkeys improve speed and productivity in software applications.
- Common examples include Ctrl + C (Copy) and Ctrl + V (Paste).
- They are widely used in programs like MS Word and Excel.
Last verified on 12-04-2026
ایچ ٹی ایم ایل میں فریمس استعمال کرنے کا مقصد کیا ہے؟
- Divides a web page into sections, each displaying content of different HTML documents
- Creates clickable buttons within a web page
- Apply styles to different sections of a web page
- None of these
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Explanation
- In HTML, frames are used to divide a web page into multiple sections.
- Each section (frame) can display a different HTML document.
- This allows multiple pages to be shown in one browser window.
- Frames help in organizing content like menus, headers, and main pages separately.
Last verified on 12-04-2026
- Special-purpose computer
- General-purpose computer
- Supercomputer
- None of these
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Explanation
- A special-purpose computer is designed to perform a specific task only.
- Wheel alignment machines are built for measuring and adjusting vehicle wheels.
- These computers are not used for general tasks like typing or browsing.
- They are optimized for accuracy and efficiency in a single function.
- Common in industries like automobiles, medical, and manufacturing.
Last verified on 12-04-2026