Advertisements
Advertisements
Question
Name the two types of tendrils.
Solution
The two types of tendrils are stem tendrils and leaf tendrils.
APPEARS IN
RELATED QUESTIONS
What is the scientific name of sensitive plant?
What is the stimulus in phototropism?
What is the difference between photonasty and thigmonasty?
Give one example of a plant part which is positively hydrotropic as well as positively geotropic.
Which of the following is not caused by a growth movement?
P and Q are two types of plants having weak stems which cannot stand upright on their own. The plants P and Q have organs R and S respectively which can grow towards any support which they happen to touch and wind around that support. It is observed that organ R originates from the leaves of the plant whereas organ S originates directly from the stem of the plant.
(a) What is (i) R, and (ii) S?
(b) What is the name of growth movement exhibited by the organs R and S?
(c) Name the stimulus involved in this case.
(d) State whether the behaviour of organs R and S is a tropic movement or a nastic movement.
(e) Name one plant like P and another plant like Q.
When the leaves of a sensitive plant are touched with a finger, they fold up and when light fades at dusk, the petals of a dandelion flower close.
state two ways in which the above two processes differ.
With the help of an experiment, prove that roots are more positively hydrotropic than geotropic.
In the given figure (a), (b) and (c), which appears more accurate and why?
 |
 |
 |
| (a) | (b) | (c) |
The instrument which can be used to demonstrate geotropism is ______.
