You may have seen photographs showingthe position of monsoon clouds over the country in the newspaper. How are these images obtained?

Where does the signal in your cell phone come from? Where from does it come to mobile towers? Where does the signal to your TV set come from ? Youb may have seen photographs showing the position of monsoon clouds over the contry, in the newspaper. How are these images obtained ?

You have seen photographs showing the position of monsoon clouds over the country in the newspaper. How are these images obtained?

A plant may have different names in different regions of the country or world. How do botanists solve this problem?

Answer the following questions : Have you seen a photographic camera in which a film is used ? Compare the human eye with it . State similarities between them. State the points of difference between them.

You must have seen flowers of same variety but of 2 or 3 different colours borne by same plant. How is this possible?

You may have seen a lush green soft carpet on old walls, bricks and rocks in the rainy season. Scrape it gently with a small ruler, observe it under a magnifying lens and discuss.

You may have seen how a drunken person struggles to maintain his body balance. An excess of alcohol in the body causes one to lose control over it. Why does this happen? Find out the reason with help of the internet.

You may have seen Funaria plant in rainy season. Why is it called amphibious plant?

You may have seen ferns among the ornamental plants in a garden. Take a leaf of a fully grown fern and observe it carefully.

You may have seen the various plants which do not bear flowers, fruits and seeds but they have well developed root, stem and leaves, are classified as .