Q. Which phytohormone has viral inhibitory property : (a) Ethylene (b) GA3 (c) ABA (d) 2,4-D Solution : Correct option : D ABA (Abscisic acid) inhibits synthesis of RNA and…
Q. Cuscuta climbs up with the help of loop formation around the support. This type of movement is called : (a)Nutation (b)Nastic movement (c)Hygroscopic movement (d)None of the above Solution…
Q. Although the seeds are rich in auxin glucosyl esters, still they do not exhibit any physiological change like growth. The reason is : (a) they are prime examples of…
Q. Gibberellins can promote seed germination because of their influence on : Rate of cell division Production of hydrolyzing enzymes Synthesis of abscisic acid Absorption of water through hard seed…