Maximum one word questions from the chapter life processes, from the portions nutrition in human beings and respiration... Spams will be reported... If you dont know, leave it... Best answer will be marked as the brainliest....
Answers
Explanation:
1.What are enzymes? Name any one enzyme of our digestive system and write its function.
Answer. Enzymes are biological catalysts. Catalysts are proteins that increase the rate of chemical reactions
without being used up. For example: Amylase catalyses the breakdown of starch into sugars in the mouth and small intestine
2.Write the balanced chemical equation for the process of photosynthesis?
Answer: Photosynthesis can be represented using a chemical equation. The overall balanced equation is
6CO2+12H2O ------- C6H12O6+6O2+6H2O
3.When do the desert plants take up carbon dioxide and perform photosynthesis ?
Answer: Desert plants open up their stomata during night and take in CO2. Stomata remains close during the day time to prevent the loss of water by i transpiration. They store the CO2 in their cells until the sun comes out and they can carry on with photosynthesis during the day time.