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Solutions for Class 8 Science Curiosity

Solutions for Class 8 Science Curiosity  Chapter 1 Exploring the Investigative World of Science                    NCERT Solutions                     Important Questions Chapter 2 The Invisible Living World: Beyond Our Naked Eye                    NCERT Solutions                     Important Questions Chapter 3 Health: The Ultimate Treasure                    NCERT Solutions                     Important Questions Chapter 4 Electricity: Magnetic and Heating Effects                    NCERT Solutions                     Important Questions Chapter 5 Exploring Forces      ...
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NCERT Solutions for Class 8 Science Curiosity Chapter 3 Health: The Ultimate Treasure

NCERT Solutions for Class 8 Science Curiosity Chapter 3 Health: The Ultimate Treasure स्वास्थय  एक अमूल्य निधि Page 28 NCERT Probe and Ponder Questions Question 1. How does your body respond to an infection such as the common cold? आपका शरीर सामान्य सर्दी-जुकाम जैसे संक्रमण के प्रति कैसे अनुक्रिया करता है? Answer: When germs causing the common cold enter the body, the immune system becomes active. White blood cells identify and destroy the germs. The body may develop symptoms like sneezing, coughing, fever, and a runny nose to remove the infection. Antibodies are also produced, helping the body fight the infection and recover faster. जब सामान्य सर्दी-जुकाम के रोगाणु शरीर में प्रवेश करते हैं, तो प्रतिरक्षा तंत्र सक्रिय हो जाता है। श्वेत रक्त कणिकाएँ रोगाणुओं की पहचान कर उन्हें नष्ट करती हैं। शरीर छींक, खाँसी, बुखार और नाक बहने जैसे लक्षण उत्पन्न करता है ताकि संक्रमण को बाहर निकाला जा सके। साथ ही, शरीर प्रतिरक्षी बनाता है, जो संक्रमण से लड़कर शरीर को स्वस्थ होने में सहायता ...
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NCERT Solutions for Class 8 Science Curiosity Chapter 2 The Invisible Living World: Beyond Our Naked Eye

NCERT Solutions for Class 8 Science Curiosity Chapter 2 The Invisible Living World: Beyond Our Naked Eye अदृश जीव-जगत हमारी आँखों की क्षमता से परे   Page 8 -  NCERT Probe and Ponder Questions Question 1. Have you ever wondered what you might see if the invisible world around you became visible? क्या आपने कभी सोचा है कि यदि आपके आस-पास का अदृश्य संसार दृश्यमान हो जाए तो आप क्या देख पाएँगे? Answer: If the invisible world around us became visible, we would see countless microorganisms such as bacteria, fungi, protozoa, algae, and viruses all around us. They are present in the air, water, soil, on our food, and even on our body. Some help us by making food and improving soil, while others can cause diseases. यदि हमारे आसपास का अदृश्य संसार दिखाई देने लगे, तो हमें सूक्ष्मजीव जैसे बैक्टीरिया, कवक (फफूंद), प्रोटोजोआ, शैवाल और विषाणु (वायरस) हर जगह दिखाई देंगे। ये हवा, पानी, मिट्टी, भोजन और हमारे शरीर पर भी मौजूद होते हैं। इनमें से कुछ हमारे लिए लाभदायक होते हैं, जबकि कुछ ...
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NCERT Solutions for Class 8 Science Curiosity Chapter 1 Exploring the Investigative World of Science

NCERT Solutions for Class 8 Science Curiosity Chapter 1 Exploring the Investigative World of Science विज्ञान के अन्वेषी संसार की खोज यात्रा  Page No 1 Question 1: From the different shapes of leaves to the many kinds of insects—why has nature created such a vast variety? विभिन्न आकारों की पत्तियों से लेकर अनेक प्रकार के कीटों तक प्रकृति ने इतनी व्यापक विविधता की रचना क्यों की है? Answer Nature has created a vast variety of plants and animals to maintain balance in ecosystems. प्रकृति ने इकोसिस्टम में संतुलन बनाए रखने के लिए कई तरह के प्रकृति की रचना की हैं।
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Important Questions for Class 7 Curiosity Chapter 9 Life Processes in Animals

Important Questions for Class 7  Curiosity Chapter 9  Life Processes in Animals Marks 2 Question 1: What is mechanical digestion? Where does it take place? Answer: Mechanical digestion is the process of breaking food into smaller pieces by chewing. It takes place in the mouth , where the teeth cut, tear, and grind the food into fine pieces. Question 2: What is the role of saliva in digestion? Answer: Saliva moistens the food, making it easier to swallow. It also contains digestive juices that begin the digestion of starch present in the food. Question 3: Why do humans need to digest food? Answer: Humans need to digest food because the food we eat contains complex nutrients that cannot be absorbed directly. Digestion breaks them into simpler forms so that the body can absorb and use them for energy, growth, and repair. Question 4: Name the main parts of the human alimentary canal. Answer The main parts of the human alimentary canal are: Mouth Oesophagus (Food pipe) Stoma...
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