Life Processes

Question 5How are fats digested in our bodies? Where does this process take place?

Question 6What is the role of saliva in the digestion of food?

Question 7What are the necessary conditions for autotrophic nutrition and what are its byproducts?

Question 8What are the differences between aerobic and anaerobic respiration? Name some organisms that use the anaerobic mode of respiration.

Question 9How are the alveoli designed to maximise the exchange of gases?

Question 10What would be the consequences of a deficiency of haemoglobin in our bodies?

Question 11Describe double circulation of blood in human beings. Why is it necessary?

Question 12What are the differences between the transport of materials in xylem and phloem?

Question 13Compare the functioning of alveoli in the lungs and nephrons in the kidneys with respect to their structure and functioning.

Question 2What are the different ways in which glucose is oxidised to provide energy in various organisms?

Question 3How is oxygen and carbon dioxide transported in human beings?

Question 4How are water and minerals transported in plants?

Question 1Describe the structure and functioning of nephrons.