The enzyme ptyalin acts on starch in the
...The enzyme ptyalin acts on starch in the
oesophagus
large intestine
mouth
stomach
Correct answer is C
Ptyalin is secreted in the mouth. Pepsin and renin however, in the stomach.
The chameleon's ability to blend in with the colour of its environment is an example of ...
which of the following will be the effect of waterlogged top soil on the roots of plants? ...
In mosses the structure which performs the function of water absorption is the _________? ...
Plants that are found in extreme dry conditions are called ...
Which of the following is an example of a behavioral adaptation for survival in animals? ...
Carbon monoxide poisons tissue by ...
The process by which flowers produce fruit without the process of fertilization is called ...
The order of evolution trends in plants is ...
Oxygenated blood is pumped to the entire body from the part labelled ...