Croton plants  have  leaves  red  in colour.  Food  is  prepared  by the process of ________.

Leaves   give  out ____________ during the process of  photosynthesis.

Plants  are  called _____________.

_________ are grains used as food.

The cells of the upper and lower layers of a leaf are not __________.

Plants  give __________ and  ____________ to the  animals.

Programmes  like _______________ promotes  the   planting  of trees.

Air and   water passes  through the ___________ in the leaf.

A  green leaf  is _________ before conducting the starch test.

The  flat and  broad  side  of the leaf  is  called the ________.