Environmental Studies
Exam Duration: 45 Mins Total Questions : 30
Which of the following statement about Fjord is incorrect?
- (a)
Most Fjords were formed due to raise in sea level after the melting of Pleistocene ice
- (b)
It is an emergent coast that was originally submerged
- (c)
It is a long narrow inlet of the sea bound by steep slopes
- (d)
It is a glaciated valley that has been inumdated by the sea
What are the ingredients of preparing Chapati?
- (a)
Atta (Wheat Flour) only
- (b)
Water only
- (c)
Both Atta and water
- (d)
None of these
Plants are green because of the presence of a pigment called:
- (a)
glucose
- (b)
nitrogen
- (c)
chlorophyll
- (d)
oxygen
What is portable water otherwise known as?
- (a)
Raw water
- (b)
Irrigation water
- (c)
Drinking water
- (d)
Surface water
When algae from an angel bloom die, they are broken down by bacteria that use up much of an essential element of water. What are we referring to?
- (a)
Carbon dioxide
- (b)
Oxygen
- (c)
Food chemical
- (d)
Pesticides
Chief source of energy in environment is
- (a)
fire
- (b)
moon
- (c)
sun
- (d)
stars
When trees are cut, amount of oxygen
- (a)
decreases
- (b)
increases
- (c)
both (a) and (b)
- (d)
remains same
Frog has
- (a)
Five fingers and four toes
- (b)
Four fingers and five toes
- (c)
Five fingers and five toes
- (d)
Four fingers and four toes
Glandas present in skin of Frog are
- (a)
Sweat and mammary
- (b)
Sweat and sebaceous
- (c)
Sweat and mucous
- (d)
Mucous and poisonous
Mucus helps Frog in forming
- (a)
Thick skin
- (b)
Dry skin
- (c)
Smooth skin
- (d)
Moist skin
What is the name of a bird that can swim but can't fly?
- (a)
Ostrich
- (b)
Flamingo
- (c)
Penguin
- (d)
None of these
In a lake polluted with pesticides, which one of the following will contain the maximum amount of pesticides?
- (a)
small fish
- (b)
microscopic animals
- (c)
big fish
- (d)
water birds
Group of individuals of the same species that share common attributes are called:
- (a)
Community
- (b)
Population
- (c)
Ecotype
- (d)
Society
Which of the following is not a milk product?
- (a)
cheese
- (b)
butter
- (c)
honey
- (d)
yogurt
Endosmosis occurs when the plant cell is placed in
- (a)
Strong solution
- (b)
Isotonic solution
- (c)
Hypotonic solution
- (d)
Hypertonic solution
Cell becomes turgid because of
- (a)
Plasmolysis
- (b)
Exosmosis
- (c)
Endosmosis
- (d)
Diffusion
Root pressure is measured by
- (a)
Barometer
- (b)
Atmometer
- (c)
Manometer
- (d)
Auxanometer
The most widely accepted theory for ascent of sap is
- (a)
Root pressure theory
- (b)
Pulsatory theory
- (c)
Capillarity theory
- (d)
Cohesion theory
What will be the outcome of Eutrophication of surface waters?
- (a)
Overproduction of biomass
- (b)
Decrease in nitrogen concentration
- (c)
Decrease in phosphorus concentration
- (d)
Decrease in both nitrogen and phosphorus concentrations.
Which of the following physical forces are supported to be responsible for ascent as sap?
- (a)
Imbibition
- (b)
Capillary force
- (c)
Transpiration pull and cohesion
- (d)
Root pressure
If a piece of metal weighs 10.2g in air, 8.6g in water and 7.8g in another liquid, then what will be the specific gravity of the liquid?
- (a)
1.0
- (b)
1.5
- (c)
2.0
- (d)
3.0
The geometric mean of the numbers 2, 4, 8, 16, 32 is:
- (a)
12
- (b)
16
- (c)
8
- (d)
32
Land use pattern is usually studied by the following technique:
- (a)
Aerial photography
- (b)
Satellite imaging
- (c)
Satellite imaging and G.I.S.
- (d)
Satellite imaging, G.I.S. and G.P.S.
To conserve coral reefs the Govt, of India declared one of the following as Marine Park:
- (a)
Gulf of Kutch
- (b)
Lakshadweep islands
- (c)
Gulf of Mannar
- (d)
Andaman Islands
Which one of the following does not contributes to conservation of water?
- (a)
Waste water treatment
- (b)
Waste land development
- (c)
Water shed protection
- (d)
Rain water harvesting
Uric acid is the chief nitrogenous wastes in
- (a)
frog
- (b)
Birds
- (c)
Fishes
- (d)
Man
Dumbell shaped guard cells are present in
- (a)
Ground nut
- (b)
Gram
- (c)
Wheat
- (d)
Mango
Which of the following disease is not the caused by water pollution?
- (a)
Typhoid
- (b)
Dysentery
- (c)
Malaria
- (d)
Jaundice
Use of excessive fertilizer in fields leads to the deficiency of ---- in the nearby water body.
- (a)
Carbon dioxide
- (b)
Carbon monoxide
- (c)
Nitrogen
- (d)
Oxygen
Which of the following is a protective food?
- (a)
milk
- (b)
oils & fats
- (c)
fruits
- (d)
cereals