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Class 12 BOARD Exam Preparation Classroom Course

Class 12 BOARD Exam Preparation Classroom Course

Class 12 BOARD Exam Preparation ONLINE Course for CBSE, ISC, WBHS Board

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BIOLOGY Classroom Course for Class 12 Board Exam

<img decoding="async" alt="User Avatar" class="avatar lazyload" data-src="https://i0.wp.com/onlineclass.dreamzkolkata.com/wp-content/wphb-cache/gravatar/47c/47cebe471434da6b535474d3f74fae0fx96.jpg?resize=50%2C50&ssl=1" height="50" width="50" data-recalc-dims="1" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" style="--smush-placeholder-width: 50px; --smush-placeholder-aspect-ratio: 50/50;"><noscript><img decoding="async" alt="User Avatar" class="avatar lazyload" data-src="https://i0.wp.com/onlineclass.dreamzkolkata.com/wp-content/wphb-cache/gravatar/47c/47cebe471434da6b535474d3f74fae0fx96.jpg?resize=50%2C50&ssl=1" height="50" width="50" data-recalc-dims="1" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" style="--smush-placeholder-width: 50px; --smush-placeholder-aspect-ratio: 50/50;"><noscript><img decoding="async" alt="User Avatar" class="avatar lazyload" data-src="https://i0.wp.com/onlineclass.dreamzkolkata.com/wp-content/wphb-cache/gravatar/47c/47cebe471434da6b535474d3f74fae0fx96.jpg?resize=50%2C50&ssl=1" height="50" width="50" data-recalc-dims="1" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" style="--smush-placeholder-width: 50px; --smush-placeholder-aspect-ratio: 50/50;"><noscript><img decoding="async" alt="User Avatar" class="avatar lazyload" data-src="https://i0.wp.com/onlineclass.dreamzkolkata.com/wp-content/wphb-cache/gravatar/47c/47cebe471434da6b535474d3f74fae0fx96.jpg?resize=50%2C50&ssl=1" height="50" width="50" data-recalc-dims="1" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" style="--smush-placeholder-width: 50px; --smush-placeholder-aspect-ratio: 50/50;"><noscript><img decoding="async" alt="User Avatar" class="avatar lazyload" data-src="https://i0.wp.com/onlineclass.dreamzkolkata.com/wp-content/wphb-cache/gravatar/47c/47cebe471434da6b535474d3f74fae0fx96.jpg?resize=50%2C50&ssl=1" height="50" width="50" data-recalc-dims="1" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" style="--smush-placeholder-width: 50px; --smush-placeholder-aspect-ratio: 50/50;"><noscript><img decoding="async" alt="User Avatar" class="avatar lazyload" data-src="https://i0.wp.com/onlineclass.dreamzkolkata.com/wp-content/wphb-cache/gravatar/47c/47cebe471434da6b535474d3f74fae0fx96.jpg?resize=50%2C50&ssl=1" height="50" width="50" data-recalc-dims="1" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" style="--smush-placeholder-width: 50px; --smush-placeholder-aspect-ratio: 50/50;"><noscript><img decoding="async" alt="User Avatar" class="avatar" src="https://i0.wp.com/onlineclass.dreamzkolkata.com/wp-content/wphb-cache/gravatar/47c/47cebe471434da6b535474d3f74fae0fx96.jpg?resize=50%2C50&ssl=1" height="50" width="50" data-recalc-dims="1">

dreamzonlineclass

BIOLOGY Classroom Course for Class 12 Board Exam

Mrs. Priya Roy

<img decoding="async" alt="User Avatar" class="avatar lazyload" data-src="https://i0.wp.com/onlineclass.dreamzkolkata.com/wp-content/wphb-cache/gravatar/47c/47cebe471434da6b535474d3f74fae0fx96.jpg?resize=50%2C50&ssl=1" height="50" width="50" data-recalc-dims="1" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" style="--smush-placeholder-width: 50px; --smush-placeholder-aspect-ratio: 50/50;"><noscript><img decoding="async" alt="User Avatar" class="avatar lazyload" data-src="https://i0.wp.com/onlineclass.dreamzkolkata.com/wp-content/wphb-cache/gravatar/47c/47cebe471434da6b535474d3f74fae0fx96.jpg?resize=50%2C50&ssl=1" height="50" width="50" data-recalc-dims="1" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" style="--smush-placeholder-width: 50px; --smush-placeholder-aspect-ratio: 50/50;"><noscript><img decoding="async" alt="User Avatar" class="avatar lazyload" data-src="https://i0.wp.com/onlineclass.dreamzkolkata.com/wp-content/wphb-cache/gravatar/47c/47cebe471434da6b535474d3f74fae0fx96.jpg?resize=50%2C50&ssl=1" height="50" width="50" data-recalc-dims="1" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" style="--smush-placeholder-width: 50px; --smush-placeholder-aspect-ratio: 50/50;"><noscript><img decoding="async" alt="User Avatar" class="avatar lazyload" data-src="https://i0.wp.com/onlineclass.dreamzkolkata.com/wp-content/wphb-cache/gravatar/47c/47cebe471434da6b535474d3f74fae0fx96.jpg?resize=50%2C50&ssl=1" height="50" width="50" data-recalc-dims="1" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" style="--smush-placeholder-width: 50px; --smush-placeholder-aspect-ratio: 50/50;"><noscript><img decoding="async" alt="User Avatar" class="avatar lazyload" data-src="https://i0.wp.com/onlineclass.dreamzkolkata.com/wp-content/wphb-cache/gravatar/47c/47cebe471434da6b535474d3f74fae0fx96.jpg?resize=50%2C50&ssl=1" height="50" width="50" data-recalc-dims="1" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" style="--smush-placeholder-width: 50px; --smush-placeholder-aspect-ratio: 50/50;"><noscript><img decoding="async" alt="User Avatar" class="avatar lazyload" data-src="https://i0.wp.com/onlineclass.dreamzkolkata.com/wp-content/wphb-cache/gravatar/47c/47cebe471434da6b535474d3f74fae0fx96.jpg?resize=50%2C50&ssl=1" height="50" width="50" data-recalc-dims="1" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" style="--smush-placeholder-width: 50px; --smush-placeholder-aspect-ratio: 50/50;"><noscript><img decoding="async" alt="User Avatar" class="avatar" src="https://i0.wp.com/onlineclass.dreamzkolkata.com/wp-content/wphb-cache/gravatar/47c/47cebe471434da6b535474d3f74fae0fx96.jpg?resize=50%2C50&ssl=1" height="50" width="50" data-recalc-dims="1">

dreamzonlineclass

248

Students

36

students

Free

MATHEMATICS Classroom Course for Class 12 Board Exam

<img decoding="async" alt="User Avatar" class="avatar lazyload" data-src="https://i0.wp.com/onlineclass.dreamzkolkata.com/wp-content/wphb-cache/gravatar/47c/47cebe471434da6b535474d3f74fae0fx96.jpg?resize=50%2C50&ssl=1" height="50" width="50" data-recalc-dims="1" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" style="--smush-placeholder-width: 50px; --smush-placeholder-aspect-ratio: 50/50;"><noscript><img decoding="async" alt="User Avatar" class="avatar lazyload" data-src="https://i0.wp.com/onlineclass.dreamzkolkata.com/wp-content/wphb-cache/gravatar/47c/47cebe471434da6b535474d3f74fae0fx96.jpg?resize=50%2C50&ssl=1" height="50" width="50" data-recalc-dims="1" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" style="--smush-placeholder-width: 50px; --smush-placeholder-aspect-ratio: 50/50;"><noscript><img decoding="async" alt="User Avatar" class="avatar lazyload" data-src="https://i0.wp.com/onlineclass.dreamzkolkata.com/wp-content/wphb-cache/gravatar/47c/47cebe471434da6b535474d3f74fae0fx96.jpg?resize=50%2C50&ssl=1" height="50" width="50" data-recalc-dims="1" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" style="--smush-placeholder-width: 50px; --smush-placeholder-aspect-ratio: 50/50;"><noscript><img decoding="async" alt="User Avatar" class="avatar lazyload" data-src="https://i0.wp.com/onlineclass.dreamzkolkata.com/wp-content/wphb-cache/gravatar/47c/47cebe471434da6b535474d3f74fae0fx96.jpg?resize=50%2C50&ssl=1" height="50" width="50" data-recalc-dims="1" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" style="--smush-placeholder-width: 50px; --smush-placeholder-aspect-ratio: 50/50;"><noscript><img decoding="async" alt="User Avatar" class="avatar lazyload" data-src="https://i0.wp.com/onlineclass.dreamzkolkata.com/wp-content/wphb-cache/gravatar/47c/47cebe471434da6b535474d3f74fae0fx96.jpg?resize=50%2C50&ssl=1" height="50" width="50" data-recalc-dims="1" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" style="--smush-placeholder-width: 50px; --smush-placeholder-aspect-ratio: 50/50;"><noscript><img decoding="async" alt="User Avatar" class="avatar lazyload" data-src="https://i0.wp.com/onlineclass.dreamzkolkata.com/wp-content/wphb-cache/gravatar/47c/47cebe471434da6b535474d3f74fae0fx96.jpg?resize=50%2C50&ssl=1" height="50" width="50" data-recalc-dims="1" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" style="--smush-placeholder-width: 50px; --smush-placeholder-aspect-ratio: 50/50;"><noscript><img decoding="async" alt="User Avatar" class="avatar" src="https://i0.wp.com/onlineclass.dreamzkolkata.com/wp-content/wphb-cache/gravatar/47c/47cebe471434da6b535474d3f74fae0fx96.jpg?resize=50%2C50&ssl=1" height="50" width="50" data-recalc-dims="1">

dreamzonlineclass

MATHEMATICS Classroom Course for Class 12 Board Exam

Subhadip Ray, Deepjyoti Saha

<img decoding="async" alt="User Avatar" class="avatar lazyload" data-src="https://i0.wp.com/onlineclass.dreamzkolkata.com/wp-content/wphb-cache/gravatar/47c/47cebe471434da6b535474d3f74fae0fx96.jpg?resize=50%2C50&ssl=1" height="50" width="50" data-recalc-dims="1" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" style="--smush-placeholder-width: 50px; --smush-placeholder-aspect-ratio: 50/50;"><noscript><img decoding="async" alt="User Avatar" class="avatar lazyload" data-src="https://i0.wp.com/onlineclass.dreamzkolkata.com/wp-content/wphb-cache/gravatar/47c/47cebe471434da6b535474d3f74fae0fx96.jpg?resize=50%2C50&ssl=1" height="50" width="50" data-recalc-dims="1" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" style="--smush-placeholder-width: 50px; --smush-placeholder-aspect-ratio: 50/50;"><noscript><img decoding="async" alt="User Avatar" class="avatar lazyload" data-src="https://i0.wp.com/onlineclass.dreamzkolkata.com/wp-content/wphb-cache/gravatar/47c/47cebe471434da6b535474d3f74fae0fx96.jpg?resize=50%2C50&ssl=1" height="50" width="50" data-recalc-dims="1" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" style="--smush-placeholder-width: 50px; --smush-placeholder-aspect-ratio: 50/50;"><noscript><img decoding="async" alt="User Avatar" class="avatar lazyload" data-src="https://i0.wp.com/onlineclass.dreamzkolkata.com/wp-content/wphb-cache/gravatar/47c/47cebe471434da6b535474d3f74fae0fx96.jpg?resize=50%2C50&ssl=1" height="50" width="50" data-recalc-dims="1" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" style="--smush-placeholder-width: 50px; --smush-placeholder-aspect-ratio: 50/50;"><noscript><img decoding="async" alt="User Avatar" class="avatar lazyload" data-src="https://i0.wp.com/onlineclass.dreamzkolkata.com/wp-content/wphb-cache/gravatar/47c/47cebe471434da6b535474d3f74fae0fx96.jpg?resize=50%2C50&ssl=1" height="50" width="50" data-recalc-dims="1" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" style="--smush-placeholder-width: 50px; --smush-placeholder-aspect-ratio: 50/50;"><noscript><img decoding="async" alt="User Avatar" class="avatar lazyload" data-src="https://i0.wp.com/onlineclass.dreamzkolkata.com/wp-content/wphb-cache/gravatar/47c/47cebe471434da6b535474d3f74fae0fx96.jpg?resize=50%2C50&ssl=1" height="50" width="50" data-recalc-dims="1" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" style="--smush-placeholder-width: 50px; --smush-placeholder-aspect-ratio: 50/50;"><noscript><img decoding="async" alt="User Avatar" class="avatar" src="https://i0.wp.com/onlineclass.dreamzkolkata.com/wp-content/wphb-cache/gravatar/47c/47cebe471434da6b535474d3f74fae0fx96.jpg?resize=50%2C50&ssl=1" height="50" width="50" data-recalc-dims="1">

dreamzonlineclass

238

Students

46

students

Free

CHEMISTRY Classroom Course for Class 12 Board Exam

<img decoding="async" alt="User Avatar" class="avatar lazyload" data-src="https://i0.wp.com/onlineclass.dreamzkolkata.com/wp-content/wphb-cache/gravatar/47c/47cebe471434da6b535474d3f74fae0fx96.jpg?resize=50%2C50&ssl=1" height="50" width="50" data-recalc-dims="1" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" style="--smush-placeholder-width: 50px; --smush-placeholder-aspect-ratio: 50/50;"><noscript><img decoding="async" alt="User Avatar" class="avatar lazyload" data-src="https://i0.wp.com/onlineclass.dreamzkolkata.com/wp-content/wphb-cache/gravatar/47c/47cebe471434da6b535474d3f74fae0fx96.jpg?resize=50%2C50&ssl=1" height="50" width="50" data-recalc-dims="1" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" style="--smush-placeholder-width: 50px; --smush-placeholder-aspect-ratio: 50/50;"><noscript><img decoding="async" alt="User Avatar" class="avatar lazyload" data-src="https://i0.wp.com/onlineclass.dreamzkolkata.com/wp-content/wphb-cache/gravatar/47c/47cebe471434da6b535474d3f74fae0fx96.jpg?resize=50%2C50&ssl=1" height="50" width="50" data-recalc-dims="1" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" style="--smush-placeholder-width: 50px; --smush-placeholder-aspect-ratio: 50/50;"><noscript><img decoding="async" alt="User Avatar" class="avatar lazyload" data-src="https://i0.wp.com/onlineclass.dreamzkolkata.com/wp-content/wphb-cache/gravatar/47c/47cebe471434da6b535474d3f74fae0fx96.jpg?resize=50%2C50&ssl=1" height="50" width="50" data-recalc-dims="1" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" style="--smush-placeholder-width: 50px; --smush-placeholder-aspect-ratio: 50/50;"><noscript><img decoding="async" alt="User Avatar" class="avatar lazyload" data-src="https://i0.wp.com/onlineclass.dreamzkolkata.com/wp-content/wphb-cache/gravatar/47c/47cebe471434da6b535474d3f74fae0fx96.jpg?resize=50%2C50&ssl=1" height="50" width="50" data-recalc-dims="1" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" style="--smush-placeholder-width: 50px; --smush-placeholder-aspect-ratio: 50/50;"><noscript><img decoding="async" alt="User Avatar" class="avatar lazyload" data-src="https://i0.wp.com/onlineclass.dreamzkolkata.com/wp-content/wphb-cache/gravatar/47c/47cebe471434da6b535474d3f74fae0fx96.jpg?resize=50%2C50&ssl=1" height="50" width="50" data-recalc-dims="1" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" style="--smush-placeholder-width: 50px; --smush-placeholder-aspect-ratio: 50/50;"><noscript><img decoding="async" alt="User Avatar" class="avatar" src="https://i0.wp.com/onlineclass.dreamzkolkata.com/wp-content/wphb-cache/gravatar/47c/47cebe471434da6b535474d3f74fae0fx96.jpg?resize=50%2C50&ssl=1" height="50" width="50" data-recalc-dims="1">

dreamzonlineclass

CHEMISTRY Classroom Course for Class 12 Board Exam

Bhaskar Banerjee

<img decoding="async" alt="User Avatar" class="avatar lazyload" data-src="https://i0.wp.com/onlineclass.dreamzkolkata.com/wp-content/wphb-cache/gravatar/47c/47cebe471434da6b535474d3f74fae0fx96.jpg?resize=50%2C50&ssl=1" height="50" width="50" data-recalc-dims="1" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" style="--smush-placeholder-width: 50px; --smush-placeholder-aspect-ratio: 50/50;"><noscript><img decoding="async" alt="User Avatar" class="avatar lazyload" data-src="https://i0.wp.com/onlineclass.dreamzkolkata.com/wp-content/wphb-cache/gravatar/47c/47cebe471434da6b535474d3f74fae0fx96.jpg?resize=50%2C50&ssl=1" height="50" width="50" data-recalc-dims="1" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" style="--smush-placeholder-width: 50px; --smush-placeholder-aspect-ratio: 50/50;"><noscript><img decoding="async" alt="User Avatar" class="avatar lazyload" data-src="https://i0.wp.com/onlineclass.dreamzkolkata.com/wp-content/wphb-cache/gravatar/47c/47cebe471434da6b535474d3f74fae0fx96.jpg?resize=50%2C50&ssl=1" height="50" width="50" data-recalc-dims="1" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" style="--smush-placeholder-width: 50px; --smush-placeholder-aspect-ratio: 50/50;"><noscript><img decoding="async" alt="User Avatar" class="avatar lazyload" data-src="https://i0.wp.com/onlineclass.dreamzkolkata.com/wp-content/wphb-cache/gravatar/47c/47cebe471434da6b535474d3f74fae0fx96.jpg?resize=50%2C50&ssl=1" height="50" width="50" data-recalc-dims="1" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" style="--smush-placeholder-width: 50px; --smush-placeholder-aspect-ratio: 50/50;"><noscript><img decoding="async" alt="User Avatar" class="avatar lazyload" data-src="https://i0.wp.com/onlineclass.dreamzkolkata.com/wp-content/wphb-cache/gravatar/47c/47cebe471434da6b535474d3f74fae0fx96.jpg?resize=50%2C50&ssl=1" height="50" width="50" data-recalc-dims="1" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" style="--smush-placeholder-width: 50px; --smush-placeholder-aspect-ratio: 50/50;"><noscript><img decoding="async" alt="User Avatar" class="avatar lazyload" data-src="https://i0.wp.com/onlineclass.dreamzkolkata.com/wp-content/wphb-cache/gravatar/47c/47cebe471434da6b535474d3f74fae0fx96.jpg?resize=50%2C50&ssl=1" height="50" width="50" data-recalc-dims="1" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" style="--smush-placeholder-width: 50px; --smush-placeholder-aspect-ratio: 50/50;"><noscript><img decoding="async" alt="User Avatar" class="avatar" src="https://i0.wp.com/onlineclass.dreamzkolkata.com/wp-content/wphb-cache/gravatar/47c/47cebe471434da6b535474d3f74fae0fx96.jpg?resize=50%2C50&ssl=1" height="50" width="50" data-recalc-dims="1">

dreamzonlineclass

222

Students

55

students

Free

PHYSICS Classroom Course for Class 12 Board Exam

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dreamzonlineclass

PHYSICS Classroom Course for Class 12 Board Exam

Subhadip Ray

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dreamzonlineclass

202

Students

190

students

Free