set 1 MCQ Questions & Answers Detailed Explanation
MOST IMPORTANT general science mcq - 1 EXERCISES
The following question based on ecology and environment awareness topic of general science mcq
(a) CO2 , O2 , N2 , NO2 and NH3
(b) CH4 , N2 , CO2 and NH3
(c) CO2 , CFC, CH4 and NO2
(d) CFC, CO2 , NH3 and N2
The correct answers to the above question in:
Answer: (c)
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Read more ecology and environment awareness Based General Science Questions and Answers
Question : 1
Which is not a part of atmosphere ?
a) Temperature
b) Edaphic factor
c) Light
d) Precipitation
Answer »Answer: (b)
Because edaphic factors affects through soil and rest are the climatic factors.
Question : 2
The animals which occupy the same trophic level are
a) Deer & Bees
b) Snakes & Earthworm
c) Lion & Bees
d) Crow & Cow
Answer »Answer: (d)
Question : 3
Acid rain is caused due to increase in concentration of (in atmosphere)
a) CO and CO2
b) CO and SO3
c) SO2 and NO2
d) O3 and dust
Answer »Answer: (c)
The main precursors of acid rain are SO2 and NO2 in the atmosphere which form H2 SO4 (Sulphuric acid) and HNO3 (nitric acid) with H2O and these come down with rain.
Such rains are called acid rains.
Question : 4
Habitat loss and fragmentation, over exploitation, alien species invasion and co-extinction are causes for
a) Migration
b) Biodiversity loss
c) Population explosion
d) Pollution
Answer »Answer: (b)
Question : 5
The age of pyramid with broad base indicates
a) low percentage of young individuals
b) high percentage of old individuals
c) high percentage of young individuals
d) low percentage of old individuals
Answer »Answer: (c)
GET ecology and environment awareness PRACTICE TEST EXERCISES
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