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