Fill in the blanks :
Leaves of a plant . .. . . . . . . . . . . . . . . . . . when its xylem vessels are blocked with wax.

Fill in the blanks : Guttation in plants indicates .................... pressure .

Fill in the blanks : …………. leaves the left ventricle.

If the xylem vessels of a plant are plugged :

Fill in the blanks : ( c) The quantity of matter in an object is called its ................ .

Fill in the blanks given below. In plants, fertilisation takes place when a ............................ fuses with an ........

Why do the leaves of a plant wilt when taken out of the soil?

Fill in the blanks : The (higher/lower).............. the concentration of an ion in a solution, the greater is the probability of its being discharged at its appropriate electrode.

The chief function of a xylem vessel in a plant body is to -

Fill in the blanks : The blood vessel that begins and ends in capillaries is the.....

As an empty vessel in filled with water, its frequency