Advertisements
Advertisements
प्रश्न
What is mycorrhiza?
Advertisements
उत्तर
Mycorhiza is a symbiotic association between a fungus and the roots of higher plants.
संबंधित प्रश्न
Give the role of VAM related to soil fertility.
Write what do phytophagous insects feed on.
An orchid plant is growing on the branch of a mango tree. How do you describe this interaction between the orchid and the mango tree?
How is mutualism different from commensalism?
Name the type of association:
Clownfish and sea anemone
Name the type of association: Hummingbirds and host flowering plants
Define community.
How absolute Natality differs from Realized Natality
What is population ecology?
What is ESS?
Explain different population interactions with examples.
The relationship between sucker fish and shark is _________.
Mutualism can be represented as the interaction between ____________.
Identify the morphological means of defence to avoid herbivores shown by plants.
A protozoan living in the digestive tract of a flea that lives on a dog is an example of ______
Substantiate by giving two reasons as to why a holistic understanding of the flora and fauna the cropland is required before introducing an appropriate biocontrol method.
Rafflesia an arnoldii is an example of ______.
Amensalism can be represented as ______
Define ectoparasite and endoparasite and give suitable examples.
In a pond, we see plants which are free-floating; rooted–submerged; rooted emergent; rooted with floating leaves; Write the type of plant against the following examples.
| Plant Name | Type | |
| a. | Hydrilla | ______ |
| b. | Typha | ______ |
| c. | Nymphaea | ______ |
| d. | Lemna | ______ |
| e. | Vallisneria | ______ |
Lianas are vascular plants rooted in the ground and maintain erectness of their stem by making use of other trees for support. They do not maintain direct relation with those trees. Discuss the type of association the lianas have with the trees.
Give one example for the following type.
Camouflaged animal
Give one example for the following type.
Phytophagous animal
Write the observations made at the end of Connell's field, experiment on barnacles on the rocky sea coasts of Scotland.
Match the Column I with Column II.
| Column I | Column II |
| A. Lichen | (i) Commensalism |
| B. Shark and Pilot fish | (ii) Mutualism |
| C. Barnacles on the back of a whale | (iii) Symbiotic obligatory relationship |
| D. Sharks and dolphins | (iv) Competition |
What are the special adaptations that endoparasites show?
