Advertisements
Advertisements
Question
What is mutualism? Mention any two examples where the organisms involved are commercially exploited in modern agriculture.
Solution
- Mutualism is an interaction between two species of organisms in which both are benefitted from the obligate
- association. Nitrogen-fixing cyanobacteria associated with Azolla (a fern) and Rhizobium found in the root nodules of the leguminous plants are used in the field of agriculture to increase soil fertility.
RELATED QUESTIONS
Arrange the correct sequence of ecological hierarchy starting from lower to a higher level.
Pedogenesis refers to
Mycorrhiza promotes plant growth by
Which of the following plant has non-succulent xerophytic and thick leathery leaves with a waxy coating
What is Phytoremediation?
What is Albedo effect and write their effects?
List any two adaptive features evolved in parasites enabling them to live successfully on their host?
Mention any two significant roles of predation plays in nature.
How does an orchid Ophrys ensure its pollination by bees?
Water is very essential for life. Write any three features for plants that enable them to survive in a water-scarce environment.
Why do submerged plants receive weak illumination than exposed floating plants in a lake?
How is rhytidome act as the structural defense by plants against fire?
Give an account of various types of parasitism with examples.
Match the following and choose the correct combination from the options given below:
| Column I (Interaction) | Column II (Examples) | ||
| I. | Mutualism | i) | Trichoderma and Penicillium |
| II. | Commensalism | ii) | Balanophora, Orobanche |
| III. | Parasitism | iii) | Orchids and Ferns |
| IV. | Predation | iv) | Lichen and Mycorrhiza |
| V. | Amensalism | v) | Nepenthes and Diaonaea |
