Advertisements
Advertisements
प्रश्न
Define the following term:
Parasitism
Advertisements
उत्तर
Parasitism is generally defined as a relationship between the two living species in which one organism is benefitted at the expense of the other. The organism that is benefitted is called the parasite, while the one that is harmed is called the host.
APPEARS IN
संबंधित प्रश्न
What is mutualism?
Apart from being a part of the food chain, predators play other important roles. Mention any two such roles supported by examples.
State Gause’s competitive exclusion principle.
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?
Mention any two examples where the organisms involved are commercially exploited in agriculture.
Competition and Mutualism.
Name and explain the interaction that is seen between clownfish and sea anemones.
Name the type of association: Hummingbirds and host flowering plants
Define population.
Competition between species leads to ________.
Tabulate and analysis of two species population interaction.
Two species competing for the same resources, avoid competition by choosing different times for feeding, also known as ______
Mutualism can be represented as the interaction between ____________.
The interspecific interaction between Cuckoo and Crow is ______
Select the CORRECT match:
| I | II | ||
| i. | Competition | a. | Lichen |
| ii. | Commensalism | b. | Sea anemone and clownfish |
| iii. | Mutualism | c. | Lions and Leopards |
In the given picture, identify the type of interspecific interaction.
Cattle egrets always foraging close to the grazing cattle is an example of ____________.
Identify the type of negative interaction.
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.
With the decline in the population of fig species it was noticed that the population of wasp species also started to decline. What is the relationship between the two and what could be the possible reason for decline of wasps?
Mycorrhizae are the example of ______.
Exarch xylem is found in:
Which one of the following is one of the characteristics of a biological community?
An interaction favourable to both population but no obligatory to either is ______.
Lichens are association of ______.
What is the interaction between two species called?
What are the organisms that feed on plant sap and other plant parts called?
Give one example for the following type.
Phytophagous animal
Give one example for the following type.
Chemical defense agent
Carnivorous animals-lions and leopards, occupy the same niche but lions predate mostly larger animals and leopards take smaller ones. This mechanism of competition is referred to as ______.
Complete the following chart regarding population interaction and re-write:
| Sr. No. | Name of interaction | Interaction between |
| 1. | ? | Plasmodium and Man |
| 2. | ? | Leopard and Lion |
| 3. | ? | Clownfish and Sea-anemone |
The diagram given below shows the life cycle of a malarial parasite. Study it carefully and answer the questions that follows:
- Name the hosts in which the asexual phase and sexual phase of the life cycle takes place.
- Identify the infective stage labelled ‘D’.
- Name the structure labelled ‘A’ and ‘E’.
- Give any one symptom of malaria.
Some orchids live on the branches of mango trees. Name the type of interaction that exists between the mango tree and the orchid.
What happens to an inferior competitor if a superior competitor is present in the same environment?
Which one of the following statement INCORRECT regarding competition?
Association between clown fish and sea anemone is ______.
