A plant had leaves with long leaf apex, which was curling around a support.

A particular plant had a pair of leaves at each node arranged in one plane. What is the arrangement called?

Consider a hypothetical planet which is very long and cylinderical. The density of the planet is rho , its radius is R . What is the possible orbital speed of the satellite in moving around the planet in circular orbit in a plane which is perpendicular to the axis of planet?

What are the cells that make the leaves curl in plants during water stress?

Certain properties are mentioned. Find a leaf corresponding to each property and describe those plants: Leaves with rough surface : parijataka leaf (night flowering jasmine)

Name a hormone which induces flowering in long day plants.

What is present on the surface of the leaves which helps the plant prevent loss of water but is absent in roots?

Name the supporting cells which secrete-myelin sheath around axon of CNS in man.

Give examples of three plants that have: leaves which close at night

Which one of the plant growth regulations would be used if you are asked to induce stomatal closing in leaves