Which part of the plant shows negative phototropism?
Which of the following plant part exhibits negative phototropism ?
(a) root
(b) branch
(c) leaves
(d) stem
The plant part which exhibits negative geotropism is:
(b) stem
(c) branch
(d) leaves
Identify the incorrect statements from the following
1. Young stem of vine plant show positive phototropism and positive thigmotropism
2. Sunflower position itself facing the sun is showing positive response to heat generated due to exposure to sunlight
3. Roots show negative thigmotropism and positive hydrotropism
4. Roots show positive chemotropism to some chemical and negative chemotropism to some other chemicals
A potted plant is growing in a transparent glass jar. In this plant, X and Y are the two growing parts having a lot of meristematic tissue. It is observed that the part X of this plant exhibits positive geotropism but negative phototropism. On the other hand, part Y of this plant exhibits negative geotropism but positive phototropism.(a) Name the part X of plant.(b) Name the part Y of plant.(c) Which part of the plant, X or Y, will exhibit positive hydrotropism?(d) Which part of the plant, X or Y, can have tendrils on it?(e) Which phytohormone causes the part X to exhibit negative phototropism?