Ecosystem : Biology (Class 12th) Revision test | MCQs for NEET
This practice test includes 25 important multiple-choice questions (MCQs) from the chapter Ecosystem in Biology (Class 12). the best boost for neet other competitive entrance exams.
Score: 0 / 25
Q1. Best soil for plant growth is:
Best soil for plant growth is Clay
Q2. Soil particle determine the character of
Soil particle determine the character of Organisation
Q3. Plant roots soil water is
Plant roots soil water is Gravitational water
Q4. Exchange of water in submerged plant
Q5. Submerged Rooted Hydrophyte are:
Submerged Rooted Hydrophyte are known as vallisnaria
Q6. Water co-deficient contains:
Water co-deficient contains Membrane
Q7. Xerophyte Contains
Q8. Small extremite animals of tropical region
It is associated with Cope’s law.
Q9. Hibernation of some animals
Q10. Physical and chemical properties of soil studied by
It is studied by Biotic factor
Q11. Identity the Hetero Organism
Vallisnaria
Q12. That animal who can bear one third loss of water of one third body weight is
Camel can bear one third loss of water of one third body weight.
Q13. Root hair absent in
Root hair absent in Hydrophyte.
Q14. A water co-efficient Mesophyte is
A water co-efficient Mesophyte is Agave.
Q15. Gravitated carried soil is
Gravitated carried soil is Compound
Q16. Kanha National Park is famous for
It is famous for Tendua
Q17. During food chain the maximum energy is stored in
During food chain the maximum energy is stored in Producers
Q18. The average efficiency of energy transfer from herbivoure to carnivorce level is
10%
Q19. Ecological pyramids were first devised by
Ecological pyramids were first devised by Charles Eltom
Q20. Which of the following ecosystem has highest gross primary productivity
Coral reefs has highest gross primary productivity
Q21. In the phosphorus cycle, weathring makes phosophate available first to
Producers
Q22. Which types of the following pyramid are never inverted?
Pyramid of energy
Q23. Biosphere means
Atmosphere, lithosphere and hydrosphere
Q24. Best type of pyramid which is always true is:
Pyramid or energy
Q25. decomposers are
Heterotrophs
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