Plant Growth and Development

Match the following concerning the activity/function and the phytohormone involved:- (a) Fruit ripener (i) Abscisic acid (b) Herbicide (ii) $\mathrm{GA}_{3}$ (c) Bolting agent (iii) $2,4-D$ (d) Stress hormone (iv)…

Which hormone promotes internode / petiole elongation in deep water rice?

Match List-I with List-II : \begin{array}{lll} & List-I & & List-II \\A.& Abscisic acid & I.& Promotes female flowers in cucumber \\B.& Ethylene & II.& Helps seeds to withstand desiccation \\C.& Gibberellin & III.&…

Match the following concerning the activity/function and the phytohormone involved:- (a) Fruit ripener (i) Abscisic acid (b) Herbicide (ii) \$GA_{3}$ (c) Bolting agent (iii) \$2,4-D$ (d) Stress hormone (iv) Ethephon…

Match List I with List II :List I (Growth Regulator)List II (Function/Effect)A. $2,4$-DI. Brewing industryB. $\text{GA}_3$II. Stimulation of stomatal closureC. KinetinIII. HerbicideD. ABAIV. Nutrient mobilisationChoose…

Length of the stem at time 0 is $20$ cm. The arithmetic growth rate is $30$ cm per day. What is the length of the stem at the end of the $7^{th}$ day ?

Which of the following plant growth regulators is used as herbicide ?

Which of the following plant growth regulators promotes internode elongation prior to flowering in cabbage ?

Heterophyllous development in response to environment is an example of which of the following phenomena ?

Which one of the following is not a characteristic of plant cells in the phase of elongation ?

Read the following statements on plant growth and development. (A) Parthenocarpy can be induced by auxins. (B) Plant growth regulators can be involved in promotion as well as inhibition of growth. (C) Dedifferentiation…

Which one of the following phytohormones promotes nutrient mobilization which helps in the delay of leaf senescence in plants?