PDF chapter test TRY NOW

Answer the following questions:
  
1. Children everywhere wonder about the world around them. The questions they ask are the beginning of scientific inquiry. Given below are some questions that children in India have asked Professor Yash Pal and Dr Rahul Pal as reported in their book, Discovered Questions (NCERT, 2006).

(i) What is DNA fingerprinting? What are its uses?

(ii) How do honeybees identify their own honeycombs?

(iii) Why does rain fall in drops?
  
Important!
This is a self-evaluation exercise, and no points will be credited. Refer to the solution steps for the correct answers.