RE-NEET Botany Plant Growth and Development Class 11 Questions

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 7th day?

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

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

Match List-I with List-II:

F. Skoog observed that callus proliferated from the internodal segments of tobacco stem when auxins was supplied with one of the following except:

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 option given below: