English

Which parts of a plant exhibit Negative geotropism? - Biology

Advertisements
Advertisements

Question

Which parts of a plant exhibit Negative geotropism?

One Word/Term Answer

Solution

Shoot

shaalaa.com
  Is there an error in this question or solution?
2024-2025 (April) Specimen Paper

RELATED QUESTIONS

What happens to the dandelion flower

  1. during the daytime, and
  2. at night?

What is this phenomenon known as?


The plant hormone which triggers the fall of mature leaves and fruits from the plant body is:


The growth of a pollen tube towards the ovule caused by a sugary substance as stimulus is an example of :
(a) phototropism
(b) chlorotropism
(c) gravitropism
(d) chemotropism


The chemical substance P is made and secreted by the meristematic tissue at the tip of stem (or shoot) of a plant. The chemical substance P is responsible for a phenomenon Q in plants in which the stem bends towards a source of light. The same chemical substance P has an opposite effect on the root of a plant. It causes the root of a plant to bend away from the source of light in a process called R.
(a) What is the chemical substance P?
(b) State whether P prefers to remains in the sunlit side of a stem or in shade.
(c) What is the effect of substance P on the rate of growth of (i) a root, and (ii) a stem?
(d) What is the name of process (i) Q, and (ii) R?
(e) What is the general name of chemical substances like P? Name another substance which belongs to this class of chemical substances.


In tropic movements, plant parts move


What is chlorophyll?


The growth of pollen tubes towards ovules is due to


Chlorophyll differs from hemoglobin by the presence of its central molecule ______.


The petals of the moon flower open up in the morning and close in the evening. This is called photo nasty.


Why do roots of halophytes show negative geotropism?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×