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प्रश्न
What is mutualism? Mention any two examples where the organisms involved are commercially exploited in modern agriculture.
उत्तर
- 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.
संबंधित प्रश्न
Arrange the correct sequence of ecological hierarchy starting from lower to a higher level.
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?
Lichen is considered as a good example of obligate mutualism. Explain.
List any two adaptive features evolved in parasites enabling them to live successfully on their host?
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.
What is vivipary? Name a plant group that exhibits vivipary.
List out the effects of fire on plants.
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 |
