10th class science 2 chapter 2 Life Process in living organisms part 1 exercise notes
Answers
Explanation:
answer 1. excretion
answer 2. transport of water
answer 3. all of the above
answer 4. mitochondria
answer 5. Digestion of fats takes place in the small intestine.
Digestion of Fat : The fats are present in the form of large globules in the small intestine. Fat digesting enzymes are not able to act upon large globules efficiently. This process is carried out in the liver.
answer 6.
1. Saliva contains salivary analyse that breaks down the big starch to sugar maltose.
2. The saliva moisten the food.
answer 7.
Chlorophyll , carbon dioxide, water, sunlight and appropriate temperature are the necessary conditions for autotrophic nutrition.
answer 8. The difference between aerobic and anaerobic respiration are-
1. Anaerobic respiration takes place in the presence of oxygen. Eg- yeast and bacteria.
2. Aerobic respiration takes place in the absence of oxygen.