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Published on: 25/05/2021
QB365 Provides the updated NCERT Examplar Questions for Class 12 Biology, and also provide the detail solution for each and every ncert examplar questions , QB365 will give all kind of study materials will help to get more marks
Download CBSE Class 12th Standard CBSE Biology question papers, sample papers, important questions, and previous year solved papers in PDF format. Get free study materials, NCERT solutions, and exam preparation resources for Class 12th Standard CBSE Biology
Questions + Answers key
Take MCQ Biology Test1.
Name any two organisms, which can occupy more than one trophic level in an ecosystem
2.
Under what conditions would a particular stage in the process of succession revert back to an earlier stage?
3.
What is common to earthworm, mushroom, soil mites and dung beetle in an ecosystem?
4.
Why is the rate of assimilation of energy at the herbivore level called secondary productivity?
5.
Arrange the following as observed in vertical stratification of a forest: Grass, Shruby plants, Teak, Amaranths.
6.
What is common to earthworm,soil mites and dung beetles in an ecosystem?
7.
Among bryophytes, lichens and ferns,which one is a pioneer species in a xeric succession?
8.
Justy the pitcher plant as a producer.
1.
( )
Human being (man) and birds (sparrow) can be frequently seen in more than one trophic level, in an ecosystem.
2.
( )
Natural or human induced disturbances like fire, deforestation, etc.
3.
( )
There all all detritivores.
4.
( )
It is because the biomass available to the consumers for consumption is the resultant of the primary productivity of the producers (plants).
5.
( )
Grass, Amaranths, Shruby plants, Teak.
6.
( )
They are all detritivores.
7.
( )
Lichens
8.
( )
The pitcher plant bears chlorophyll and is photosynthetic;it depends on insects only for its nitrogen supply and hence is a producer.
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