ICSE XII/MCQ Questions for Class 12 Biology Set 7 Sample Test,Sample questions

Question:
A water co-efficient Mesophyte is:

1.Cappais

2. Agave

3. Acacia

4. Hemeris


Question:
Avicennia, Rhizophora andAtriplex are:

1. Xerophytes

2. Halophytes

3. Hydrophytes

4.Mesophytes


Question:
Best soil for plant growth is:

1.Grit

2. Sandy

3.Soily

4. Clay


Question:
Best type of pyramid which is always true is:

1. Pyramid or energy

2. Pyramid of Biomass

3.Pyramid of number

4. Both (a) and (c)


Question:
Biodiversity Act of India was passed by the Parliament in the year:

1. 1996

2.1992

3.2002

4. 2000


Question:
Biosphere means:

1.Atmosphere

2. Lithosphere and ionosphered

3. Atmosphere, lithosphere and hydrosphere

4.Hydrosphere lithosphere and ionsophere


Question:
Decomposers are:

1. Autotrophs

2. Autohetrotrophs

3. Organotrophs

4. Heterotrophs


Question:
Dudhwa National Part is located in:

1. In Himachal Pradesh

2. In Uttar Pradesh

3. In Madhya Pradesh

4. Arunachal Pradesh


Question:
During food chain the maximum energy is stored in :

1. Producers

2. Decomposers

3. Herbivoures

4. Camivourse


Question:
Ecological pyramids were first devised by:

1.Charles Eltom

2. R. Hesse

3.R.A. Lindemann

4. Justus von Liebig


Question:
Ecology deals with:

1.The arth and plants

2.The relationship between organisms and their environment

3. Economical growth of poor people

4. The life under sea


Question:
Exchange of water in submerged plant:

1.Stomata

2. Normal surface

3. Hydathode

4.Lenticel


Question:
Gravitated carried soil is:

1. Alluvial

2. Muddy

3.Glacier

4. Compound


Question:
Hibernation of some animals:

1. Regular

2. Periodic

3.Suddenly

4. Temporary


Question:
Identity the Hetero Organism:

1. Pistia

2.Hydrilla

3.Vallisnaria

4. Casurina


Question:
In the phosphorus cycle, weathring makes phosophate available first to:

1. Producers

2.Decomposers

3. Consumers

4. None of these


Question:
Kanha National Park is famous for:

1.For Birds

2. For Tendua

3. For Tiger

4.For Crocodile


Question:
Lion-tailed Macaque is found in:

1.Western Ghats

2.Caucasus

3.Eastern Ghats

4. Western Himalaya


Question:
Maximum amounts of humus occurs on:

1. In lower most layer

2. In upper layer

3. In Middle layer

4.Same everywhere


Question:
More than 70 of world freshwater is contain in:

1. Antarctica

2.Glaciers and mountains

3. Greenland

4. Polar ice


Question:
Mycorrhiza is an example to:

1. Decomposers

2. Endoparasitism

3.Symbiotic relationship

4.Ectoparasitism


Question:
Physical and chemical properties of soil studied by :

1. Climatic factor

2.Biotic factor

3.Soil factor

4.Topographic factor


Question:
Plant roots soil water is:

1.Cellular water

2. Surface water

3.Humidity water

4. Gravitational water


Question:
Plants growing in saline soil with high salt concentration are:

1.Xerophytes

2.Halophytes

3.Heliophytes

4.Hydrophytes


Question:
Primary succession occurs in :

1.Primary succession occurs

2. Previously unoccupied area

3. Both of the above

4.None of these


Question:
Project tiger in India was started in the year:

1. 1973

2. 1981

3. 1985

4.1986


Question:
Red Data Book is produced by:

1.IUCN

2. WWF

3. IBWL

4.None of these


Question:
Reserve biosphere of Sundarban is situated in which of the following states :

1.Bihar

2. Uttar Pradesh

3. Assam

4. West Bengal


Question:
Root hair absent in:

1.Hydrophyte

2.Halophyte

3. Mesophyte

4.Heliophyte


Question:
Shola forests are found in :

1.Eastern Coast of Orissa

2. North East Himalayas

3. Western Ghats (Kerala)

4.Decian Plateau


Question:
Small extremite animals of tropicalregion:

1.Allen’s law

2. Bergmen’s law

3. Dollo’s law

4. Cope’s law


Question:
Soil developed from sedimented rock:

1.Force Science

2. Edaphology

3.Pedogenesis

4.All of these


Question:
Soil particle determine the character of:

1. Organisation

2. Biomass

3. Area capacity

4. Soil plants


Question:
Soil transported by air is:

1. Alluvial

2. Glacial

3.Colluvial

4.(Eolian


Question:
Submerged Rooted Hydrophyte are:

1.Uticularia

2. Prapa

3.Nymphea

4.Vallisnaria


Question:
That animal who can bear one third loss of water of one third body weight is:

1. Necturus

2.Camel

3.Wall Lizzard

4. Kyton


Question:
The average efficiency of energy transfer from herbivoure to carnivorce level is :

1. 5%

2.10%

3. 20%

4.30%


Question:
The largest ecosystem is :

1.Forest ecosystem

2. Marine ecosystem

3. Pond ecosystem

4.Grassland ecosystem


Question:
Water co-deficient contains:

1.Large thin walled cells

2. Large-vacuoles

3.Membrane

4. All of these


Question:
What is the main cause of extinction of some species in tropical forests?

1. Deforestation

2. Afforestation

3.Pollution

4.Soil erosion


Question:
When births are equal to deaths, it is:

1.Plateau stage

2.Exponential stage

3. Early growth stage

4.Acceleration stage


Question:
Which of the following ecosystem has highest gross primary productivity:

1. Grassland

2.Coral reefs

3.Mangrooves

4. Rainforests


Question:
Which of the following is the most stable ecosystem?

1. Mountain

2. Desert

3.Forest

4.Ocean


Question:
Which one of the following is not used for construction of ecological pyramid?

1. Dry weight

2.Number of individuals

3.Rate of energy flow

4.Fresh weight


Question:
Which one of the following pair is mismatched?

1. Prairies-Epiphytes

2.Tundra-Permafrost

3.Savannaha-Acacia trees

4. Coniferous forests-Evergreen trees)


Question:
Which plants is found in mangroove zone?

1. Rhizophora

2.Acacia

3.Pinus

4. Tectona grandis


Question:
Which type of living organisms given below are listed in Red Data Book”?

1.Rare species

2. Rare and endangered species

3. Endangered species

4. None of these


Question:
Which types of the following pyramid are never inverted?

1. Pyramid of energy

2.Pyramid of biomass

3. Pyramid of number

4. Pyramid of dry biomass


Question:
Who introduced term Ecosystem?

1.Leaneous

2. Reiter

3.Odum

4. Aristle


Question:
Xerophyte Contains:

1.Deep roots

2. Sunken stomata

3.Thick cuticle

4. All of these


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