General Knowledge - Environmental Studies
Exam Duration: 45 Mins Total Questions : 30
What are the ingredients of preparing Chapati?
- (a)
Atta (Wheat Flour) only
- (b)
Water only
- (c)
Both Atta and water
- (d)
None of these
Which of the following is NOT an ingredient for preparing Dal?
- (a)
Pulses
- (b)
Kerosene
- (c)
Oil or Ghee
- (d)
Salt
Which one of the following is a carnivore animal?
- (a)
Sparrow
- (b)
Owl
- (c)
Parrot
- (d)
Cow
Which of the following wastes cannot be decomposed by bacteria to form compost?
- (a)
Kitchen wastes
- (b)
Plastic and polythene bags
- (c)
Dead plants
- (d)
Bodies of insects living in the soil
What is the primary effect of excess phosphorous in the aquatic environment called?
- (a)
Fixation
- (b)
Nitrification
- (c)
Eutrophication
- (d)
Radiation
Coliform bacteria in water are an indication of the presence of --------.
- (a)
Radioactive wastes
- (b)
Excess fertilizer
- (c)
Decaying animals and plants
- (d)
Human faeces
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
Process through which plants reproduce:
- (a)
Eating
- (b)
Evaporation
- (c)
Pollination
- (d)
Condensation
71% of earth surface is covered with:
- (a)
land
- (b)
air
- (c)
water
- (d)
coal
Which bird lays the biggest egg relative to it's size?
- (a)
Ostrich
- (b)
Kiwi
- (c)
Parrot
- (d)
None of these
Name the substance whose accumulation in pelicans of Lake Michigan led to the formation of thin shells of their eggs.
- (a)
CFC
- (b)
PAN
- (c)
DDT
- (d)
PAC
Sodium is usually estimated by which of the following analytical technique:
- (a)
Flame Photometry
- (b)
Coulometry
- (c)
High pressure liquid chromotography
- (d)
Visible spectrophotometry
Which one of the following statements regarding EI-NINO is NOT true?
- (a)
It is an extension of equatorial current towards the western coast of South America.
- (b)
It is an occasional warm current leading to an increase of about 10o C in subsurface water temperature.
- (c)
It develops as temporary replacement of usual cold Peruvian Current.
- (d)
It causes an increase in plankton thriving in cold Peruvian current.
Why do camels have a long neck?
- (a)
more vertebrae
- (b)
vertebral plates between adjoining vertebrae
- (c)
increase in size of each vertebra
- (d)
cartilage pads between vertebra
Which one of the following animals shows discontinuous distribution?
- (a)
Green muscles
- (b)
Bats
- (c)
Lung fishes
- (d)
Pacific salmons
Which of the following is not a milk product?
- (a)
cheese
- (b)
butter
- (c)
honey
- (d)
yogurt
The animals which eat only plants are called
- (a)
Herbivores
- (b)
Carnivores
- (c)
Omnivores
- (d)
Insectivores
Humans are:
- (a)
Carnivores
- (b)
Herbivores
- (c)
Omnivores
- (d)
None of these
The existence of root pressure can be demonstrated by
- (a)
Exudation or bleeding
- (b)
Wilting
- (c)
Transpiration
- (d)
Bleeding
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
When you go for shopping, what are you expected to do to save environment?
- (a)
Shop for produce that have as little packaging as possible.
- (b)
In any store, use a bag even it is not needed.
- (c)
Do not reduce the frequency of shopping.
- (d)
Buy paper towels and napkins.
Organisms that generate energy using light are:
- (a)
Oligotrophs
- (b)
chaemorganotrophs
- (c)
chaemolithotrophs
- (d)
photoautotrophs
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.
Guano refers to
- (a)
Ureotelic flightless bird
- (b)
Bird droppings rich in guanine
- (c)
Extinct species of bird
- (d)
Uric acid
Which gas is mainly responsible for green house effect?
- (a)
CO2
- (b)
O2
- (c)
H2
- (d)
Water vapours
The sound of which intensity is regarded as the safe noise level for a city?
- (a)
80 dB
- (b)
45 dB
- (c)
120 dB
- (d)
60 dB
Sparying of DDT on crops causes pollution of:
- (a)
Soil and Water
- (b)
Air and Soil
- (c)
Crops and Air
- (d)
Air and Water
Natural sources of air pollution are:
- (a)
Forest fires
- (b)
Volcanic eruptions
- (c)
Dust storm
- (d)
Smoke from burning dry leaves
Goitre: swelling of thyroid glands occurs due to the deficiency of ----.
- (a)
iron
- (b)
pottasium
- (c)
phosphorus
- (d)
iodine
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