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Welcome Your New Biology Teacher | Botan...

Welcome Your New Biology Teacher | Botany वनस्पति विज्ञान | Aniket Sir | Doubtnut

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Statement/ कथन : The scientific study of plants is known as Botany पौधों के वैज्ञानिक अध्ययन को वनस्पति विज्ञान के रूप में जाना जाता है। Conclusion/ निष्कर्ष: l. Botany helps us understand human behaviour./वनस्पति विज्ञान हमें मानव व्यवहार को समझने में मदद करता है। ll. Botany helps us in understanding animal bodies./ वनस्पति शरीर जानवरों को समझने में हमारी मदद करता है।

Question Stimulus :- DIRECTIONS : Read the following passage carefully and answer the following questions Welcome to the brave new world of high-tech dentistry. Here, teeth stained by coffee, tea and tobacco are bleached considerably white in a single sitting, and crowned and laminated in a single visit. Infected gum tissue can be vaporized bloodlessly in a few minutes with lasers. Even though restorative dentistry dates back to ancient civilizations, it is , in a sense, a new art and one that is increasingly in demand. Indeed, restorative dentistry has become a multi-billion-dollar industry.More and more people are clamouring for dentistry that not only ensures good oral health, but also helps attract admiring glances and raises self-esteem. If you need a restorative - either an inlay that replaces part of a tooth or a crown that covers it entirely, some dentists offer a space - age ticket called 'Cerec' This laser scanner outlines and Preserves the genetic design of your tooth with precision It calculates the tooth's exact size and shape, creates a three - dimensional computer image and sends it to a milling unit where, in minutes diamond burrs transform a tiny block of ceramic that is coloured to match the enamel of your other tooth into a natural looking crown. What is Restorative dentistry ?