Life Processes
Describe double circulation of blood in human beings. Why is it necessary?
Life Processes
What would be the consequences of a deficiency of haemoglobin in our bodies?
Life Processes
How are the alveoli designed to maximise the exchange of gases?
Life Processes
What are the differences between aerobic and anaerobic respiration? Name some organisms that use the anaerobic mode of respiration.
Life Processes
What are the necessary conditions for autotrophic nutrition and what are its by- products?
Life Processes
What is the role of saliva in the digestion of food?
Life Processes
How are fats digested in our bodies? Where does this process take place?
Life Processes
The breakdown of pyruvate to give carbon dioxide, water and energy takes place in
(a) cytoplasm. (c) chloroplast.
(b) mitochondria. (d) nucleus.
Life Processes
The autotrophic mode of nutrition requires
(a) carbon dioxide and water. (c) sunlight.
(b) chlorophyll. (d) all of the above.
Life Processes
The xylem in plants are responsible for
(a) transport of water. (c) transport of amino acids.
(b) transport of food. (d) transport of oxygen.