Plant Hormones:- 1) Cytokinins 2) Ethylene 3) Absissic Acid (ABA)

Cytokinin | Ethylene| ABA

Plant Hormones:- 1)Auxins 2) Gibberellins

Control And Coordination In Plants |Plant Hormones - Auxin|Auxin|Plant Hormones - Gibberellins|Plant Hormones - Cytokinins|Plant Hormones - Abscisic Acid|Plant Hormones - Ethylene

Plant growth and development || Plant Growth Regulators - Gibberellins Cytokinins Ethylene ABA

Morphogenesis in plants is controlled by: (a) Auxins (b) Gibberellins (c) Cytokinins (d) Abscisic acid Codes:

The following statements are given about different plant growth hormones : I. Cytokinin suppresses the synthesis of chlorophyll. II. Auxins control apical dominance. III. Gibberellins promote shoot elongation. IV. Abscisic acid enables seeds to withstand desication. Which of the above statements are correct?

Questions based on Plant Growth | Development | Auxin | Gibbrellin | Cytokinin | Ethylene| ABA

(a) What is (i) phototropism and (ii) geotropism? Given that activity supported by labelled diagrams to show that light and gravity affect the direction of plant growth. (b) Mention the role of the following plant hormones. (i) Auxin (ii) Abscisic acid

Match the items of column I and column II {:("Column I","Column II"),("a Auxin","p GA"_(3)),("b Cytokinin","r Abscisic Acid"),("c Cytokinin","r Abscisic Acid"),("d Dromin","s Acetic acid"),(,"t Zeatin"):}

Read the given statements and select the option that correctly identifies the incorrect ones. (i) Cytokinin is primarily concerned with cell division. (ii) C_(2)H_(4) breaks seed and bud dormancy (iii) ABA stimulates the opening of stomata. (iv) C_(2)H_(4) initiates germination in peanut seeds, sprouting of potato tubers. (v) ABA is synergistic to GA.