Advertisements
Advertisements
Question
Name the plant organ which is negatively geotropic.
Solution
Stem
APPEARS IN
RELATED QUESTIONS
What is the stimulus in phototropism?
What does a plant root do in response to water? What is this phenomenon known as?
Give one example of a plant part which is positively phototropic but negatively geotropic.
Plant roots grow ______ and in the direction of force of ______.
The root of a plant grows downward. This is known as ______.
The growth movement of a plant part in response to the touch of an object is called :
(a) thigmonasty
(b) hydrotropism
(c) thigmotropism
(d) geotropism
Name the stimulus which causes the following movements in plants.
phototropism, thigmotropism, hydrotropism and geotropism
The response of a plant part towards gravity is ______.
State whether true or false. If false, correct the statement.
Shoot is positively phototropic and negatively geotropic.
Study the diagrams given below and answer the following questions:
- Name the structures shown as X and Y in the figures (A) and (B), respectively.
- Write the functions performed by the structures X and Y.
- Name the phenomenon depicted and define it.
- How do the structures X and Y differ from each other?
- Give examples of the plants which show the said phenomenon.