Tropical evergreen forests are seen in
Himachal Pradesh
Haryana
Tamil Nadu
Assam
Correct Answer :
D. Assam
Related Questions
Primary treatment of sewage means
encouragement of growth of microbes to decompose sewage
disinfection of sewage
removal of heavy grit from sewage in the settling chambers
pumping of sewage into aeration tanks for increased microbial activity
. Biome is
the flora on land
the flora in ocean
a community of organisms interacting with each other
that part of earth and its atmosphere which inhabits living organisms
Increasing accumulation of DDT in organisms of a food chain in higher trophic levels is known as
biotic potential
biotic component
biological value
biological amplification
Soil particles arranged in order of increasing size are
sand-silt and clay
silt-sand and clay
clay-sand and silt
clay-silt and sand
Which of the following is normally not at atmospheric pollutant
CO
Hydrocarbons
A habitat of long severe winters and growing season limited to a few months of summer constitutes
Taiga ecosystem
Tundra ecosystem
Savannah ecosystem
Tropical rainforest
The best indicator of SO^2 pollution is
Lichens
Algae
Fungus
Fems
Deforestation may reduce the chances of
frequent cyclones
rainfall
frequent landslides
erosion of soil surface
The least porous soil among the following is
loam soil
clay soil
sandy soil
poeaty soil
Biologists celebrate 5th June as
Darwin's birthday
World hygiene day
World environment day
World population day
First link in any food chain is green plant because
green plants systhesize food
the green plants eat everything
they are fixed at a place
none of these
What will happen if our water resources are continued to be polluted by industrial wastes
Sufficient food will not be available to water organisms
Sufficient oxygen will not be available to water organisms
Drinking water will not be available
B.O.D value of water will decrease
Competition for food, light and space is most severe in
closely related species growing in the same niche
closely related species growing in different habitats
distantly related species growing in same habitat
distantly related species growing in different habitats
An area of soil is thoroughly wetted and allowed to drain until capillary movement of water is stopped. The water content of the soil now gives
storage water
capillary water
field capacity
gravitational water
Plankton, Nekton and Itenthon are not the components of one of the following ecosystems:
Marine
Freshwater
Grassland
Pond
Desert plants are generally
Succulents
Heterophyllous
Herbaceous
Viviparous
Which one of the following is associated with the conservation of forest ?
Bharatpur
Kaziranga
Silent Valley
Gir
Hie earliest settlers on barren lands are generally
Diatoms
Lichens
Mosses
Ferns
Biosphere is:
In which individuals interact with each other
In which life originated
The name of a bird
Organic compound by which life diminih
Correct definition of ecosystem is :
A community of organisms interacting with one another
The abiotic component of a habitat
The part of the earth and its atmosphere which inhabits living organisms
The community of organisms together with environment in which they live
The source of energy in the ecosystem is:
decomposition of animals and plants by bacteria
photosynthesis by green plants
fermentation of sugars
sun-light
Radiation is a health hazard as it causes
leukaemia
polio
pneumonia
haemophilia
Silent valley is situated in
Kashmir
Kerala
Africa
America
The nitrifying bacteria which oxidise nitrite to nitrates include
Nitrosomonas
Azotobacter
Nitrobacter
Closteridium
Carbon cycle includes
producer - consumer - decomposer
decomposer - consumer - producer
producer - decomposer - consumer
consumer - producer - decomposer
In grassland ecosystem the pyramid of energy is
upright
inverted
upright or inverted
none of these
In cities like Mumbai and Delhi, the major air pollutants are
ozone
carbon monoxide and oxides of sulphur
hydrocarbons and hot air
algae spores and marsh gas
Hydrilla is a
suspended hydrophyte
submerged hydrophyte
floating and anchored plant
a free floating hydrophyte
An American plant which had become a troublesome weed in India is
Typha latifolia
Cyperus rotundus
Parthenium
Eichhornia
Humus is an example of
soil structure
organic colloids
crystalloids
none of the above