Explain the procedure you have adopted in your school to prove that heat is liberated during respiration. What result we will get, if you perform this experiment with dry seeds.

What change did you observe in the thermometer in the given experiment ? What result you will get , if you perform this experiment with dry seeds ?

Heat is evolved during respiration. How can you prove it?

Which of the following are essential to conduct the experiment to prove that heat is liberated during respiration ? (i)Flask , (ii)Thermometer , (iii) Cork , (iv)Sprouting seeds , (v)Lime water , (vi)Dry seeds.

Answer the following question Write a note on the lab activity done in your school to prove that carbon dioxide is released during exhalation. (or) How can you prove that carbondioxide is released during respiration ?

Explain the experiment which you have conducted in your school laboratory to know the affect of saliva on the starch by drawing a diagram.

You have conducted this experiment in your class room. Now answer the following questions. What do you prove by conducting this experiment ?

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.

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. KOH pellets were kept in the glass jar. Why ?

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 ?

"Bark cells are impervious to gases and water." What experiment will you perform to prove this?