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Quiz 12
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Q.1
Enrichment of water body by nutrients like phosphorus and nitrogen is called _____________
Succession
Eutrophication
Stratification
Climax Vegetation
Q.2
Suppose last night was clear and calm. Tonight low clouds will be present. From this you would conclude that tonight's minimum temperature will be:
Higher than last night's minimum temperature
Lower than last night's minimum temperature
The same as last night's minimum temperature
Above freezing
Q.3
Two-thirds of the world's known oil reserves are located in
Siberia
Gulf of mexico and caribbean
The middle east
Indonesia
Q.4
All the statements are correct regarding ecological succession except
It is a random process
Species diversity increases as succession proceeds
The food chain relationships becomes more complex
The role of decomposers becomes more and more important
Q.5
The earth's radiative equilibrium temperature is:
The temperature at which the earth is absorbing solar radiation and emitting infrared radiation at equal rates
The temperature at which the earth is radiating energy at maximum intensity
The average temperature the earth must maintain to prevent the oceans from freezing solid
The temperature at which rates of evaporation and condensation on the earth are in balance
Q.6
Killing of animals disturbs
Good for eco system
Good for man
The balance of nature
None
Q.7
Black lung disease is associated with
Farmers
Coal miners
Textile industry workers
Sweepers
Q.8
What is Dendrology?
Study of Plants
Study of Butterflies
Study of Trees
None of these
Q.9
In which of the following the maximum plant diversity is found
Tropical evergreen forests
Tropical moist deciduous forests
Sub tropical mountain forests
Temperate moist forests
Q.10
_________ is a practice of clearing and burning the forest area for cultivation of crops for 3-4 years and shifting.
Jhum cultivation
Horticulture
Taungya cultivation
Agrisilviculture
Q.11
Growing agricultural crops between rows of planted trees is known as
Social forestry
Jhum
Taungya system
Agroforestry
Q.12
Which of the following region has maximum diversity?
mangrooves
temperate rainforest
taiga
coral reefs
Q.13
Green Land biome
Tundra
Pampas
Taiga
Thaar
Q.14
The electrified region of the upper atmosphere is called the:
Thermosphere
Mesosphere
Stratosphere
Ionosphere
Troposphere
Q.15
The capacity to do work is termed as
Power
Force
Strength
Energy
Q.16
Nitrogen oxide and hydrocarbons released by automobiles interact to form
CO
PAN
SO
2
Aerosol
Q.17
The Expansion of SPCA
Society for the Protection of Common Animals
Society for the Prevention of Cruelty to Animals
Society for the Prohibition of Cruelty to Animals
None
Q.18
A food web is
Like a food chain
A set of interconnected food chains, illustrating the tropic relationships among species
The set of prey species that are consumed by animals in an ecosystem
The tropic (feeding) levels that can be observed in an ecosystem
Q.19
Condensation nuclei may be:
Particles of dust
Nitric acid particles
Smoke from forest fires
Salt from the ocean
All of these
Q.20
In pond ecosystem, the pyramid of biomass is
upright
inverted
spindle shaped
none of these
Q.21
In grassland ecosystem, the pyramid of biomass is
upright
inverted
spindle shaped
none of these
Q.22
The rate at which temperature decreases with increasing altitude is known as the:
Temperature slope
Lapse rate
Sounding
Thermocline
Q.23
When water changes from a liquid to a vapour, we call this process:
Freezing
Condensation
Sublimation
Deposition
Evaporation
Q.24
Boron, Zinc and Manganese are usually referred to as
Micronutrients
Macronutrients
Soil Vitamins
MBZ nutrients
Q.25
The cutting down of trees and setting them on fire and raising crops on the resulting ash is called:
Pyrolysis
Jhum
Taungya system
Shift cultivation
Q.26
The wind-chill factor:
Relates body heat loss with wind to an equivalent temperature with no wind
Indicates the temperature at which water freezes on exposed skin
Takes into account humidity and air temperature in expressing the current air temperature
Tells farmers when to protect crops from a freeze
Determines how low the air temperature will be on any given day
Q.27
Which of the radioactive material is largely associated with bone cancer
Radium-226
Thorium-232
Strontium-90
Iodine
Q.28
Deforestation generally decreases
Global Warming
Drought
Soil erosion
Rainfall
Q.29
What is Canopy?
Uppermost level of the forest
Ground level of the forest
Soil in forest
Climbers on trees
Q.30
_______ is an example of "bottom feeders".
Cat fish
Frog
Snake
Tadpole
Q.31
Moisture in the air is known as
Water
Fog
Snow
Humidity
Q.32
If the air temperature increased, with no addition or removal of water vapour, the actual vapour pressure would:
Increase
Decrease
Stay the same
Become greater than the saturation vapor pressure
Q.33
A set of organisms that resemble one another in appearance and behaviour is called a _____________
Exons
Prions
Species
Guilds
Q.34
The area to which a species is biologically adapted to live is known as ________
Niche
Habitat
Succession
Community
Q.35
_________ are used for converting saline or brackish water into pure distilled water.
Photo voltaic cells
Solar desalination systems
Solar cookers
Solar water-heating
Q.36
_____________ is the poisonous gas leaked during Bhopal gas tragedy
MIC
PVC
Teflon
Hydrogen Sulphide
Q.37
Abundant source of inonazite sands are found on the sea shores of
Maharashtra
West Bengal
Tamil Nadu
Kerala
Q.38
What is Pedology?
Study of water
Study of air
Study of soil
none
Q.39
World's first Teak Forest was planted in 1842 in Kerala. Identify the place.
Wayanad
Nilambur
Silent Valley
Nelliyampathy
Q.40
Pottery workers are at high risk of __________ lung disease.
Asbestosis
Asthma
Silicosis
Bronchitis
Q.41
In a pyramid of numbers, in a grassland ecosystem, the largest population is that of
Producers
Tertiary Consumers
Secondary consumers
Herbivores
Primary consumers
Q.42
Herbivores are also called as
Producers
Primary consumers
Secondary consumers
Tertiary consumers
Q.43
The presence of solid, liquid or gaseous compounds, which may not be normally present, or in excess concentration in the atmosphere is called
air pollution
water pollution
soil pollution
radioactive pollution
Q.44
The development of a bare area without any life form is called
Nudation
Ecesis
Sere
Reaction
Q.45
_________ is a long term pattern of weather at a particular area.
Raising sun
Climate
Setting sun
Rainbow
Q.46
Sulphur bacteria are examples of
Carnivores
Heterotrophs
Saprophytes
Autotrophs
Q.47
Autotrophs are ______________
Consumers
Herbivores
Saprophytes
Producers
Q.48
"Smog" is a mixture of
Smoke and Fog
Snow and Fog
Snow and Dust
Sulphur Dioxide and Fog
Q.49
The major pollutant from automobile exhaust is
NO
CO
SO
2
Soot
Q.50
Fog that forms off the coast of Newfoundland is mainly a form of:
Advection fog
Frontal fog
Steam fog
Radiation fog
Upslope fog
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