A root system is extensively branched and bears a very large number of delicate root tips. How do the root tips manage to penetrate the hard core of soil ?

Select correct statements from the following: a. In the majority of the dicotyledonous plants, the direct elongation of the radicle leads to the formation of the primary root. b. In monocotyledonous plants, the primary root is short-lived and is replaced by a large number of roots. These roots originate from the lowermost node of the stem and constitute the fibrous root system. c. Adventitious roots are found in Monstera and banyan tree. d. The fibrous root system is found in wheat and mustard plants.

The number of mitotic division that must occur in a cell of the root tip to form 256 cells is

In onion root tip during mitotic metaphase, the number of kinetochores is

What would be the number of chromosomes of the aleurone cells of a plant with 42 chromosomes in its root tip cells?

Assertion . In cymose tap root systemm the oldest branch lies very close to growing point of root while the youngest branch is farthest away from it Reason . In cymose tap root system, the primary roots itself stops growing after some time, but secondary roots carry on further growth of the system

How many statement is/are true? i. The primary root and its branches constitute the tap root system. ii. In monocot the primary root is short lived. iii. The root that arises from other part of the plant other than radicle is called adventitious root