CBSE Class 10 - Introduction to Respiration Videos

• Please answer this. Assertion (A): Most of the plants close their stomata at night. Reason (R): Closing of stomata helps to conserve water as large amount of water evaporates from the leaves.
• powerhouse of cell
• what is bio diversity
• "The outside sources of energy could be quite varied, since the environment is not under the control of the individual organism." Analyse.
• Is breathing same as respiration ? If not, why ?
• explain respiration
• what is respiration. explain the whole process
• The image shows the circulation of  blood in fishes. Which option correctly traces the pathway of blood flow in fish body? (a) Gill capillaries → oxygenated blood → heart → body cells → deoxygenated blood → gills (b) Gill capillaries → oxygenated → body cells → deoxygenated blood → heart → gills (c) capillaries → heart → oxygenated blood → body cells → deoxygenated blood → heart → gills (d) Gill capillaries → oxygenated blood → heart → body cells → deoxygenated blood → heart → gills
• What are anabolic?  
•  Rahul took a 10% solution of glucose in a test tube. He added a pinch of yeast and shook it well and left it in a warm place overnight. Next day he took a drop of solution on a slide and observed under microscope. What do you think he saw?

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