English

What is commensalism? - Biology

Advertisements
Advertisements

Questions

What is commensalism?

What is ‘commensalism’?

Short Answer
Advertisements

Solution

Commensalism is the interaction in which one species benefits and the other is neither harmed nor benefited.

shaalaa.com
  Is there an error in this question or solution?
Chapter 13: Organisms and Populations - VERY SHORT ANSWER [Page 91]

APPEARS IN

NCERT Exemplar Biology [English] Class 12
Chapter 13 Organisms and Populations
VERY SHORT ANSWER | Q 6. | Page 91

RELATED QUESTIONS

During .............. typs of interaction, both organisms are benefited

  1. mutualism
  2. competition
  3. commensalism
  4. parasitism

Why do clown fish and sea anemone pair up? What is this relationship called?


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?


Select the statement which explains best parasitism.


Mention any two examples where the organisms involved are commercially exploited in agriculture.


Name the type of association: Hummingbirds and host flowering plants


In Logistic growth curve lag phase shows______.


The number of deaths under ideal conditions is known as ______.


What is population ecology?


Define Niche. 


Match the following and choose the correct combination from the options given below.

Column I Column II
Mutualism Lion and deer
Commensalism Round worm and man
Parasitism Birds compete with squirrels for nuts
Competition Sea anemone on hermit crab
Predation Barnacles attached to Whales

Identify the correct pair that exhibits commensalism.


Statement I: If one or two species are lost, it may not affect proper functioning of ecosystem.

Statement II: Loss of key species causes serious threat to functioning of ecosystem. Choose the correct alternative with reference to the above statements


Identify the morphological means of defence to avoid herbivores shown by plants.


______ interaction is the biological interaction between organisms of same population.


Which of the following is NOT an example of mutualism?


An interaction favourable to both population but no obligatory to either is ______.


There are two optional ways of exploitation one way is parasitism. Which is the other one ______.


Amensalism is an association between two species where ______.


Lichens are association of ______.


What is mycorrhiza?


What is brood parasitism? Explain with the help of an example.


Give one example for the following:

A parasitic angiosperm


Pick out the appropriate association representing brood parasitism.


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

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

A bird laying its egg in the nest of another bird is the type of ______.


Select the statement which best describes parasitism.


Describe mutualism. 


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×