The enzyme present in saliva :

If the pH value of a solution is below 7 then it is..........

Litmus test on our tongue gives the following range of colour

pH tests reveal

The animals which are active during day time, take rest at night time are called

The animals which are active during night time and collect food are called

If saliva is lacking the salivary amylase, which of the following process in the buccal cavity will be affected ?

The saliva secretion in human is under the control of:

The number of salivary glands present in the mouth.

Saliva secreted by us per day is …………

The process which occurs to push the food into the alimentary canal in man is …………

The slippery secretion which is secreted by the walls of oesophagus

Which of the following is not correct one regarding oesophagus ?

Peristalsis is …………… action.

Find the correct statement regarding the experiment done for proving “crushing of chalkpiece due to vinegar in ‘ beaker”