Watch the Video Tutorials on the Extramarks App for Better Learning
                      
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Interactive way
Extramarks’ Approach 
Biology is a difficult subject for students of Class 11 and 12 
with topics like The Eye. Textbook diagrams are not enough 
to understand the topic. The interactive 3D video Eye on the 
Extramarks app explains the structure location and 
functioning of the eye. Video tutorials a great way to 
understand this topic in a fun and interactive manner. 
Download the Extramarks app to watch the video tutorial of 
all important topics. 
https://www.extramarks.com/em-interactive-addtocart/biolog
y
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