BIOLOGY
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چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
وہ جانور جو پودوں اور جانوروں دونوں کو کھاتے ہیں انہیں کیا کہا جاتا ہے؟
Omnivores
Herbivores
Carnivores
None of these
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Explanation
Omnivores are animals that eat both plants and animals. They have adaptations that allow them to digest and extract nutrients from a wide variety of food sources , including fruits, leaves, insects, small animals, and even carrion. Examples of omnivores include humans, bears, pigs, chimpanzees, and raccoons.
سوائے مندرجہ ذیل میں چربی پائی جاتی ہے؟
Oil
Margarine
Vegetables
Nuts
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Explanation
Fats are not found in vegetables . Most vegetables are primarily composed of carbohydrates , water, and fiber, with very small amounts of fat.
وٹامن ڈی کی کمی سے کون سی بیماری ہوتی ہے جس کی وجہ سے ہڈیاں نرم اور کمزور ہوتی ہیں؟
Beriberi
Rickets
Night Blindness
Scurvy
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Explanation
Vitamin D deficiency can cause Rickets , a disease characterized by:
Soft and weak bones Skeletal deformities Stunted growth Increased risk of fractures
Substrate concentration increases
Enzymes become denatured
Product formation increases
Temperature becomes constant
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Explanation
Enzyme activity decreases at very low or high pH because enzymes become denatured; extreme pH levels disrupt the enzyme's structure, preventing it from properly binding to substrates and thus reducing its activity.
Formation of short-term memory
Formation of image on retina
Formation of long-term memory
Formation of emotions
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Explanation
The hippocampus plays a crucial role in the formation of long-term memory.
The hippocampus is a part of the brain crucial for memory consolidation,
Transferring information from short-term to long-term memory.
While it may be involved in some aspects of short-term memory, its primary function is the formation of long-term memory.
Forebrain
Cerebellum
Midbrain
Cerebrum
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Explanation
The Midbrain is the auditory relay centre and the centre that controls the reflex movements of the eyes.
Actin and myosin form a cross-bridge
Calcium is pumped back into the sarcoplasmic reticulum
Calcium is released from the sarcoplasmic reticulum
ATP is hydrolyzed by troponin
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Explanation
When an action potential reaches the membrane of a skeletal muscle fiber, the first event that prepares it for contraction is the release of Calcium from the sarcoplasmic reticulum.
آر این اے کا مطلب ______ ہے؟
Ribonucleic Acid
Ready Nucleic Acid
Ribo Nuclear Acid
None of these
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Explanation
RNA stands for Ribonucleic Acid , a molecule essential for protein synthesis and gene expression. It is composed of ribose sugar, phosphate, and nitrogenous bases — hence the name ribo + nucleic acid .
کیڑوں کا مطالعہ کیا کہلاتا ہے؟
Etymology
Entomology
Zoology
Biology
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Explanation
Entomology is the study of insects and their relationship to humans , the environment , and other organisms.
while
Zoology is the study of all animals.
Biology is a natural science concerned with the study of life and living organisms.
Etymology investigates and documents the lives.
فلولوجی ______ کا مطالعہ ہے؟
Languages
Skin
Liver
None of these
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Explanation
Philology is the study of languages in written historical sources.
It includes the analysis of literary texts, history, and the development of languages.