In your opinion, which is the most effective way to conserve the plant diversity of an area?
Held on 30 Apr 2004 · Verified 9 Jul 2026.
by tissue culture method
by creating biosphere reserve
by creating botanical garden
by developing seed bank.
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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 is a pre-requisite for re-differentiation. (D) Abscisic acid is a plant growth promoter. (E) Apical dominance promotes the growth of lateral buds. Choose the option with all correct statements.
Which one of the following phytohormones promotes nutrient mobilization which helps in the delay of leaf senescence in plants?
Given below are some statements about plant growth regulators. A. All GAs are acidic in nature. B. Auxins are antagonists to GAs. C. Zeatin was isolated from coconut milk. D. Ethylene induces flowering in Mango. E. Abscisic acid induces parthenocarpy. Choose the correct set of statements from the options given below:
Spraying sugarcane crop with which of the following plant growth regulators, increases the length of stem, thus, increasing the yield?
F. Skoog observed that callus proliferated from the internodal segments of tobacco stem when auxin was supplied with one of the following except :
Work through every NEET UG Plant - Growth and Development PYQ, year by year.