MCQGeeks
0 : 0 : 1
CBSE
JEE
NTSE
NEET
English
UK Quiz
Quiz
Driving Test
Practice
Games
NEET
NEET Biology MCQ
Neet Biology Ecosystem Mcq
Quiz 7
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Q.1
Loss of energy from one tropic level to next higher tropic level is .... .... [A.M.U.2010]
0%
a) 30%
0%
b) 40%
0%
c) 60%
0%
d) 90%
Explanation
Answer : (d)
Q.2
The major forest type found in India is .... .... [PbP.M.T.2003]
0%
a) Subtropical deciduous
0%
b) Tropical moist deciduous
0%
c) Tropical deciduous
0%
d) Temperature deciduous
Explanation
Answer : (c)
Q.3
Tropical dry deciduous forests occur in India in .... .... [M.P.P.M.T.1996]
0%
a) Andamans
0%
b) Eastern Himalayas
0%
c) Madhya Pradesh
0%
d) Kerala
Explanation
Answer : (c)
Q.4
Which one is not a natural factor for causing soil erosion .... .... [C.O.M.E.D.-K’s 2011]
0%
a) Gullying
0%
b) Clips
0%
c) Rilling
0%
d) Deforestation
Explanation
Answer : (d)
Q.5
Importance of ecosystem lies in .... .... [Har .P.M.T.1994]
0%
a) Cycling of materials
0%
b) Flow of energy
0%
c) Both A and B
0%
d) None
Explanation
Answer : (c)
Q.6
Prolonged liberal irrigation of agricultural fields is likely to create problem of .... .... [C.B.S.E2005]
0%
a) Acidity
0%
b) Alkalinity
0%
c) Salinity
0%
d) Metal toxicity
Explanation
Answer : (c)
Q.7
Which one lie at the level of primary consumers? .... .... [K.C.E.T.2004]
0%
a) Fishes
0%
b) Eagles
0%
c) Cattle and insects
0%
d) Snakes and frogs
Explanation
Answer : (c)
Q.8
Uniform soil erosion by running water is .... .... [B.H.U.2001]
0%
a) Gully erosion
0%
b) Rill erosion
0%
c) Riparian erosion
0%
d) Sheet erosion
Explanation
Answer : (d)
Q.9
Possibility of coal in area is guessed through .... .... [M.P.P.M.T. 1998 ]
0%
a) Mining the area
0%
b) Economic survey
0%
c) Pollen grain analysis
0%
d) Ecology of the area
Explanation
Answer : (c)
Q.10
In an ecosystem, trophic level of man is .... .... [A.I.I.M.S.1999]
0%
a) Producer
0%
b) Herbivore
0%
c) Omnivores
0%
d) carnivore
Explanation
Answer : (c)
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
0%
b) a - iv, b - iii, c - ii, d - i
0%
c) a - i, b - ii, c - iii, d - iv
0%
d) a - iii, b- iv, c - ii, d –i
Explanation
Answer : (b)
Q.12
Slow rate of decomposition of fallen logs in nature is due to .... ..... [ C.B.S.E. 2008]
0%
a) Anaerobic environment around them
0%
b) Low cellulose contents
0%
c) Low moisture contents
0%
d) Poor nitrogen contents
Explanation
The microorganisms breakdown the complex compounds of dead protoplasm of producers and consumers absorb some of the decomposition products and release simple substances. The slow rate of decomposition of fallen logs in nature is due to their low moisture content The cellulose is in high amount in fallen logs low moisture content will lead to decrease in number of decomposers, because decomposers require an optimum moisture for their proper growth and functioning. Answer : (c)
Q.13
In energy ecosystem/food chain, the green plants are .... .... [C.B.S.E.1996]
0%
a) Decomposers
0%
b) Producers
0%
c) Consumers
0%
d) None
Explanation
Answer : (b)
Q.14
Fossil fuel have been formed by a .... .... [D.P.M.T. 1996]
0%
a) Conventional process
0%
b) Natural process
0%
c) Non – conventional process
0%
d) All
Explanation
Answer:(c)
Q.15
Biochemical cycle with gases phase is .... .... [D.P.M.T.2001]
0%
a) Carbon
0%
b) Sodium
0%
c) Phosphorus
0%
d) Magnesium
Explanation
Answer : (a)
Q.16
Multinational source of energy is .... .... [C.B.S.E. 1999]
0%
a) Soil
0%
b) Water
0%
c) Sun
0%
d) None
Explanation
Answer : (c)
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
0%
c) Ecotype
0%
d) Ecocline
Explanation
Answer : (b)
Q.18
Rhizophora occurs in .... .... [Odisha 2004]
0%
a) Tropical rain forest
0%
b) Tropical deciduous forest
0%
c) Mangroves
0%
d) Both a And b.
Explanation
Answer : (c)
Q.19
Terracing helps in soil conservation in .... .... [C.P.M.T 2002]
0%
a) Plains
0%
b) Deserts
0%
c) Hilly areas
0%
d) Wet areas
Explanation
Answer : (c)
Q.20
First link in food chain is green because .... .... [M.P.P.M.T.2000]
0%
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
Explanation
Answer : (a)
Q.21
Find out the odd one in nitrogen cycle .... .... [Guj C.E.T 2008]
0%
a) Pseudomonas
0%
b) Clostridium
0%
c) Nostoc
0%
d) Rhizobium
Explanation
Answer : (a)
Q.22
Under Eltonian pyramid, lion is kept under .... .... [Bih .P.M.T. 2004]
0%
a) Primary consumer
0%
b) Secondary consumer
0%
c) Tertiary consumer
0%
d) Producers
Explanation
Answer : (b)
Q.23
Primary productivity of the ecosystem is most often limited by .... ..... [Odisha 2009]
0%
a) Oxygen
0%
b) Nitrogen
0%
c) Solar radiation
0%
d) Consumers
Explanation
Answer : (c)
Q.24
Resin and turpentine are obtained from .... .... [M.P.P.M.T. 2010]
0%
a) Cedrus
0%
b) Abies
0%
c) Pinus
0%
d) Eucalyptus
Explanation
Answer : (c)
Q.25
The limiting factor in soil nitrification is . ... [A.I.I.M.S.2000]
0%
a) Soil pH
0%
b) Light
0%
c) Temperature
0%
d) Air
Explanation
Answer : (a)
Q.26
A renewable resource is .... .... [Manipal 2001]
0%
a) Fossil fuel
0%
b) Metals
0%
c) Sunlight
0%
d) Both a And b
Explanation
Answer : (c)
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
0%
d) 1 kg
Explanation
Answer : (b)
Q.28
Which is man made ecosystem? .... .... [W.B. 2009]
0%
a) Herbarium
0%
b) Tissue culture
0%
c) Forest
0%
d) Aquarium
Explanation
Answer : (d)
Q.29
Useful product of Rauwolfia serpentina .... .... [Wardha 2003]
0%
a) Rauwolfia
0%
b) Serpentina
0%
c) Reserpine
0%
d) Tannin
Explanation
Answer: (c)
Q.30
An ecosystem with little primary productivity is .... .... [Odisha 2008]
0%
a) Forest
0%
b) River
0%
c) Sea
0%
d) Grassland
Explanation
Answer : (b)
0 h : 0 m : 1 s
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Report Question
×
What's an issue?
Question is wrong
Answer is wrong
Other Reason
Want to elaborate a bit more? (optional)
Support mcqgeeks.com by disabling your adblocker.
×
Please disable the adBlock and continue.
Thank you.
Reload page