हिंदी

Define population. - Biology

Advertisements
Advertisements

प्रश्न

Define population.

परिभाषा
Advertisements

उत्तर १

Organisms of the same kind inhabiting a geographical area constitute the population.

shaalaa.com

उत्तर २

Individuals live in groups in a well-defined geographical area, share or compete for similar resources, and potentially interbreed and thus form a population.

shaalaa.com

उत्तर ३

The population is defined as a group of individuals of a species occupying a definite geographic area at a given time.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 13: Organisms and Populations - Short Answer 1

APPEARS IN

एससीईआरटी महाराष्ट्र Biology [English] 12 Standard HSC
अध्याय 13 Organisms and Populations
Short Answer 1 | Q 2
बालभारती Biology [English] Standard 12 Maharashtra State Board
अध्याय 13 Organisms and Populations
Exercises | Q 3 7. | पृष्ठ ३०७
नूतन Biology [English] Class 12 ISC
अध्याय 15 Organisms and Populations
NCERT EXERCISES | Q 12. (i) | पृष्ठ ६१६

वीडियो ट्यूटोरियलVIEW ALL [4]

संबंधित प्रश्न

Which day is observed as ‘World Environment Day’?


Define the following term:

Interspecific competition


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


Name the two intermediate hosts which the human liver fluke depends on to complete its life cycle so as to facilitate parasitization of its primary host.


Answer the following question.
Mention the term used to describe a population interaction between an orchid growing on a forest tree.


Name the type of association: Hummingbirds and host flowering plants


Give one example of mutualism.


Distinguish between the following: Parasitism and Mutualism.


With the help of a suitable diagram, describe the logistic population growth curve.


Community is defined as ______.


Differentiate between predator and prey.


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 interspecific interaction depicted in the following figure.


Brood parasitism is best explained by the example of ____________.


Identify the interspecific interaction which one species is benefited and other is neither banned nor benefited.


Select the CORRECT match:

  I   II
i. Competition a. Lichen
ii. Commensalism b. Sea anemone and clownfish
iii. Mutualism c. Lions and Leopards

Which of the following is TRUE for amensalism?


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


Identify the type of negative interaction.


Which of the following is NOT an example of mutualism?


Lichens showing relationship between alga and fungus is an example of ____________ type of interaction.


Which one of the following pair does NOT show commensalism?


Which one of the following is NOT an example of mutualism?


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.


Lichens are association of ______.


What are the organisms that feed on plant sap and other plant parts called?


Give one example for the following type.

Chemical defense agent


In an aquarium two herbivorous species of fish are living together and feeding on phytoplanktons. As per the Gause’s Principle, one of the species is to be eliminated in due course of time, but both are surviving well in the aquarium. Give possible reasons.


While living in and on the host species, the animal parasite has evolved certain adaptations. Describe these adaptations with examples.


Give one example for the following:

An organism which can conform


"Some species of insects and frogs have evolved with various specific features that help them from being detected."

  1. Justify the statement giving reasons.
  2. Mention any two such features.

Write a note on parasitism.


Select the statement which best describes parasitism.


In which interaction of species, both the species are at a loss?


Some orchids live on the branches of mango trees. Name the type of interaction that exists between the mango tree and the orchid.


Give one example of commensalism.


Give one example of Camouflage.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×