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NEET Biology MCQ
Neet Biology Ecosystem Mcq
Quiz 7
Solution
Q.1.
Loss of energy from one tropic level to next higher tropic level is .... .... [A.M.U.2010]
27%
a) 30%
9%
b) 40%
0%
c) 60%
64%
d) 90%
Q.2.
The major forest type found in India is .... .... [PbP.M.T.2003]
0%
a) Subtropical deciduous
50%
b) Tropical moist deciduous
25%
c) Tropical deciduous
25%
d) Temperature deciduous
Q.3.
Tropical dry deciduous forests occur in India in .... .... [M.P.P.M.T.1996]
25%
a) Andamans
25%
b) Eastern Himalayas
50%
c) Madhya Pradesh
0%
d) Kerala
Q.4.
Which one is not a natural factor for causing soil erosion .... .... [C.O.M.E.D.-K’s 2011]
0%
a) Gullying
33%
b) Clips
33%
c) Rilling
33%
d) Deforestation
Q.5.
Importance of ecosystem lies in .... .... [Har .P.M.T.1994]
0%
a) Cycling of materials
0%
b) Flow of energy
67%
c) Both A and B
33%
d) None
Q.6.
Prolonged liberal irrigation of agricultural fields is likely to create problem of .... .... [C.B.S.E2005]
33%
a) Acidity
67%
b) Alkalinity
0%
c) Salinity
0%
d) Metal toxicity
Q.7.
Which one lie at the level of primary consumers? .... .... [K.C.E.T.2004]
33%
a) Fishes
0%
b) Eagles
33%
c) Cattle and insects
33%
d) Snakes and frogs
Q.8.
Uniform soil erosion by running water is .... .... [B.H.U.2001]
33%
a) Gully erosion
33%
b) Rill erosion
33%
c) Riparian erosion
0%
d) Sheet erosion
Q.9.
Possibility of coal in area is guessed through .... .... [M.P.P.M.T. 1998 ]
0%
a) Mining the area
100%
b) Economic survey
0%
c) Pollen grain analysis
0%
d) Ecology of the area
Q.10.
In an ecosystem, trophic level of man is .... .... [A.I.I.M.S.1999]
0%
a) Producer
0%
b) Herbivore
50%
c) Omnivores
50%
d) carnivore
Q.11.
Match the following. .... .... [Manipal 2002 ]
a. western Ghats
(i) western and eastern Himalayas
b. estuarine ecosystem
(ii) Rajasthan,Punjab and parts of Gujarat
c. Indus plain
(iii) west Bengal and Andaman
d. arctic zone
(iv) cape Comorin
0%
a) a - iv, b - ii, c - iii, d - i
50%
b) a - iv, b - iii, c - ii, d - i
50%
c) a - i, b - ii, c - iii, d - iv
0%
d) a - iii, b- iv, c - ii, d –i
Q.12.
Slow rate of decomposition of fallen logs in nature is due to .... ..... [ C.B.S.E. 2008]
50%
a) Anaerobic environment around them
0%
b) Low cellulose contents
0%
c) Low moisture contents
50%
d) Poor nitrogen contents
Q.13.
In energy ecosystem/food chain, the green plants are .... .... [C.B.S.E.1996]
0%
a) Decomposers
50%
b) Producers
0%
c) Consumers
50%
d) None
Q.14.
Fossil fuel have been formed by a .... .... [D.P.M.T. 1996]
0%
a) Conventional process
50%
b) Natural process
0%
c) Non – conventional process
50%
d) All
Q.15.
Biochemical cycle with gases phase is .... .... [D.P.M.T.2001]
0%
a) Carbon
0%
b) Sodium
100%
c) Phosphorus
0%
d) Magnesium
Q.16.
Multinational source of energy is .... .... [C.B.S.E. 1999]
0%
a) Soil
0%
b) Water
100%
c) Sun
0%
d) None
Q.17.
The most favoured habitat of a plant is called .... .... [J.I.P.M.E.R.1999]
0%
a) Ecological habitat
0%
b) Microhabitat
100%
c) Ecotype
0%
d) Ecocline
Q.18.
Rhizophora occurs in .... .... [Odisha 2004]
0%
a) Tropical rain forest
0%
b) Tropical deciduous forest
0%
c) Mangroves
100%
d) Both a And b.
Q.19.
Terracing helps in soil conservation in .... .... [C.P.M.T 2002]
100%
a) Plains
0%
b) Deserts
0%
c) Hilly areas
0%
d) Wet areas
Q.20.
First link in food chain is green because .... .... [M.P.P.M.T.2000]
100%
a) It alone can synthesis food
0%
b) It is fixed at one place
0%
c) It can pick up everything
0%
d) It can eat everything
Q.21.
Find out the odd one in nitrogen cycle .... .... [Guj C.E.T 2008]
0%
a) Pseudomonas
0%
b) Clostridium
0%
c) Nostoc
100%
d) Rhizobium
Q.22.
Under Eltonian pyramid, lion is kept under .... .... [Bih .P.M.T. 2004]
0%
a) Primary consumer
0%
b) Secondary consumer
100%
c) Tertiary consumer
0%
d) Producers
Q.23.
Primary productivity of the ecosystem is most often limited by .... ..... [Odisha 2009]
100%
a) Oxygen
0%
b) Nitrogen
0%
c) Solar radiation
0%
d) Consumers
Q.24.
Resin and turpentine are obtained from .... .... [M.P.P.M.T. 2010]
0%
a) Cedrus
0%
b) Abies
100%
c) Pinus
0%
d) Eucalyptus
Q.25.
The limiting factor in soil nitrification is . ... [A.I.I.M.S.2000]
100%
a) Soil pH
0%
b) Light
0%
c) Temperature
0%
d) Air
Q.26.
A renewable resource is .... .... [Manipal 2001]
0%
a) Fossil fuel
0%
b) Metals
100%
c) Sunlight
0%
d) Both a And b
Q.27.
In grass-deer-tiger food chain, grass biomass is one tone.The tiger biomass shall be .... .... [R.P.M.T.2006]
0%
a) 100 kg
0%
b) 10 kg
0%
c) 200 kg
100%
d) 1 kg
Q.28.
Which is man made ecosystem? .... .... [W.B. 2009]
0%
a) Herbarium
0%
b) Tissue culture
0%
c) Forest
100%
d) Aquarium
Q.29.
Useful product of Rauwolfia serpentina .... .... [Wardha 2003]
100%
a) Rauwolfia
0%
b) Serpentina
0%
c) Reserpine
0%
d) Tannin
Q.30.
An ecosystem with little primary productivity is .... .... [Odisha 2008]
0%
a) Forest
100%
b) River
0%
c) Sea
0%
d) Grassland
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