The dorsoventral, underground, horizontal stem is called as rhizome it has...

Sucker is called underground runner as it

Why underground stem is different from roots.

What is underground stem? When does it produce aerial shoots?

A ladder 2.5 m long and of weight 150 N has its centre of gravity 1 m from its bottom. A weight of 40 N is attached to the top end. The work required to raise the ladder from the horizontal position to the vertical position is

Select the appropriate options and complete the following paragraph. (spectrum, dispersion, grey, green, maximum, minimum, electromagnetic, refraction, optical, intense) Light is an ___ radiation. The process of separation of light into its component colours while passing through a medium is called as of light. The band of coloured components of a sunlight beam is called its ___ Various colours appearing in the spectrum are of the order as violet, indigo, blue, yellow, orange and red. Different colours have different wavelengths which are visible to our eyes i.e., between 400 nm and 700 nm. Red light has ____ wavelength whereas violet light has ____ wavelength.

What is the difference between underground stem and roots?

Rhizome of ginger is like the roots of other plants that grows underground despite this fact ginger is a stem and not a root. Justify.

Unpolarized light with intensity I_0 is incident on two polaroids. The axis of the first polaroid makes an angle of 50^@ with the vertical, and the axis of the second polaroid is horizontal. What is the intensity of the light, after it has passed through the second polaroid?