Question

1. The xylem in plants are responsible for
(a) Transport of water.
(b) Transport of food.
(c) Transport of amino acids.
(d) Transport of oxygen.

2. The autotrophic mode of nutrition requires
(a) Carbon dioxide and water.
(b) Chlorophyll.
(c) Sunlight.
(d) All of the above.

3. The breakdown of pyruvate to give carbon dioxide, water and energy takes place in
(a) Cytoplasm.
(b) Mitochondria.
(c) Chloroplast.
(d) Nucleus

4. How are fats digested in our bodies? Where does this process take place?

5. What is the role of saliva in the digestion of food?​

Answer 1

Answer:

1. a)Transport of water.

2.(d) All of the above.

3.(b) Mitochondria

4. Bile juice which is released from liver helps in emulsification( breakdown) of fats and Lipase which is an enzyme released by pancreas helps in converting fats into fatty acids and glycerol.

5.saliva helps in softening and lubricating the food and helps in swallowing of food. Along with saliva , a salivary amylase is also released which helps in converting complex substance into maltose( simple suger) .

hope it helps..