Plant Growth and Development

Intrinsic plasticity is observed in the leaves of __________.

Which of the following is NOT the function of cytokinin ?

Match List I with List II List I (Process of growth in plants.)List II (Examples)(A). Differentiation(I). Cork cambium(B). Dedifferentiation(II). Secondary xylem(C). Redifferentiation(III). Aerenchyma in…

The first Cytokinin was discovered by ----(A)------ during investigation of callus tissue culture of ------(B)----

Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R). Assertion (A): Redifferentiation involves loss of the ability to divide and gaining specialization again. Reason…

Which one of the following type of auxins produced in the placental tissue of the unfertilized ovary causes parthenocarpy in pineapple, and banana?

The natural auxin produced by the placental tissue of the unfertilized ovary and responsible for enlargement of ovary into fruit is ---------------?

Match the plant hormones given in Column I with the scientists who isolated them given in Column II. Column- IColumn- IIA) AuxinI) Yabuta and SumikiB) GibberellinII) Denny, Gane and CrockerC) CytokininIII) Kogl and…

Match List I with List II List I (Phytohormones)List II (Applications causing)(A). Auxins(I). Antitranspirent(B). Gibberellins(II). Epinasty(C). Ethylene(III). Apical dominance(D). Abscissic acid(IV). Bolting Choose the…

Which hormone stimulates formation of lateral and adventitious roots?

In some plants, fruits develop without fertilization because the placental tissue of unfertilized ovary produces

Which one of the following is the most striking effect of gibberellins?