Advertisements
Advertisements
प्रश्न
Plant parts show two types of movements, one dependent on growth and other independent of growth. Give one example which does not depend on growth
उत्तर
Thigmonasty does not depend on growth. It is a non directional movement of plant part, such as leaves, in response to touch.
APPEARS IN
संबंधित प्रश्न
Design an experiment to demonstrate hydrotropism.
What is the stimulus in thigmotropism?
What is a tendril?
Give one example of the movement of a plant part which is caused by the loss of water (or migration of water).
The root of a plant grows downward. This is known as ______.
The plant part which exhibits negative geotropism is :
(a) root
(b) stem
(c) branch
(d) leaves
A student accidentally places her hand on the flame of the candle and quickly pulls her hand away. The flame represents:
Chlorophyll differs from hemoglobin by the presence of its central molecule ______.
Define the following term:
Tropism
The diagram given alongside shows a type of tropism. Study the same and answer the questions that follow:
- Name and define the type of tropism shown in the diagram.
- Label the guidelines (1) to (4).
- Name two effective stimulants that help in the growth of part (2).
- Name two groups of plants where part (2) grows towards gametophyte with the help of the stimulants mentioned in (c).