What is peristalsis movement ? Compare the similarity of bolus movement in esophagus with cycle tube and potato experiment what you have conducted in school.

Write what friendly ecosystem activities you will conduct in you school.

What makes the movement of the food bolus in the esophagus easy ?

What is responsible for the easy movement of food bolus in the oesophagus ?

What do you conclude about magnetic field lines after conducting experiment with solenoid?

You might have conducted and experiment in your school laboratory to prove that CO_2 is essential for Photosynthesis. Raju, who is in 9th class, wanted to perform the same experiment. He had some doubts regarding this experiment. Clarify them. What will be the result, if the same experiment is conducted in dark ?

What would be the direction of the movement of water if two cells have the same OP but differ in TP?

We have conducted experiment that proves the release of oxygen when photosynthesis happens ? i) What are the plants used for this experiment ? Where do they grow ? ii) How did you conduct the above experiment ? In which context are large number of air bubbles released? Did you notice?

What is the comparistion between bolus and peristaltic movement?

What was the classical experiment conducted by William Harvey to demonstrate movement of blood in veins ?

You might have conducted and experiment in your school laboratory to prove that CO_2 is essential for Photosynthesis. Raju, who is in 9th class, wanted to perform the same experiment. He had some doubts regarding this experiment. Clarify them. Write the apparatus used to perform this experiment.