STD 11 - 6. Anatomy flowering plants — NEET STD 11 Science — Question

$I.$ The transfer of energy from producers to top consumers through a series of organisms is called food chain

$II.$ A food chain is always straight and proceeds in a progressive straight line

$III.$ In a food chain, there is unidirectional flow of energy from sun to producers and subsequently to series of different types of consumers

Which of the statements given above are correct?

$I.$ Cytokinins suppress the synthesis of chlorophyll.

$II.$ Auxins control apical dominance.

$III.$ Gibberellins promote shoot elongation.

$IV.$ Abscisic acid enabling seeds to withstand desiccation.

Which of the above statements are correct