Root and Root modifications- Practice Test 4

16)

Region of root directly involved in primary growth is


Discussion
17)

Modified roots grow negetively geotrophic in which of the following plants


Discussion
18)

Assertion (A): In cymose tap root system, oldest branch lies very near the growing point of the root, while the youngest branch is farthest away from it.
Reason (R): In cymose tap root system, the primary root itself stops growing after sometime, but secondary roots carry on further growth of the root system.

[AIIMS 2007]


Discussion
19)

Clinging roots are found in

[BHU 2007]


Discussion
20)

Bacterium found in the root nodules of legumes is


Discussion

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