Beet and Arum both store food for perennation. Are the examples for two different types?

Explain with suitable examples the different types of phyllotaxy?

What are the different types of force and their examples?

What are different types of forces? Give examples.

Answer the following in one sentence : Write two examples of lever of the second type.

Two organ pipes of the same length open at both ends produces sound of different frequencies , if their radii are different . Why ?

Sheetal first went ot her friend Sangeets's house on her way to school. Prashant went straight from home to school. Both are walking with the same speed. In the above examples, is there a difference between the actual distance and the distance travelled? What is it?

Apparatus: Two aluminium tins of the same size, two small galsses, water, thermometers, black paint, etc. : Procedure: Paint the outer surface of one tin black paint, and let it dry. Then in both tins, place one glass, each filled with water at the same temperature. cover the tins with lids. Keep them in the sun for two hours. Now measure the temperature of the water in the glasses in the two tins. What is the reason for the difference in the temperature?

State the different types of wavefront with examples.

A solar cooker and a pressure cooker both are used to cook food. Treating them as thermodynamic system, discuss the similarities and differences between them.

Explain different types of work with examples.