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Mcqs MBBS Exams India
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(Single Best Answer) Question 121: In India, sovereignty resides in the ?
A) Constitution of India
B) People of India
C) President of India
D) Parliament of India
Answer (Select an option above to get the answer):
(Single Best Answer) Question 122: Consider the following statements:

1. Infant mortality rate takes into account the death of infants within a month after birth

2. Infant mortality rate is the number of infant deaths in a particular year per 100 live births during that year

Select the correct answer using the code given below:
A) 1 only
B) 2 only
C) Both 1 and 2
D) Neither 1 nor 2
Answer (Select an option above to get the answer):
(Single Best Answer) Question 123: The release of which one of the following into ponds and wells helps in controlling the mosquitoes ?
A) Crab
B) Dogfish
C) Gambusia fish
D) Snail
Answer (Select an option above to get the answer):
(Single Best Answer) Question 124: As per the Constitutional provisions, if a Panchayat is dissolved, elections are to be held within ?
A) 1 month
B) 3 months
C) 6 months
D) 1 year
Answer (Select an option above to get the answer):
(Single Best Answer) Question 125: Which of the following is / are the source / sources of methane, a green-house gas

1. Cattle

2. Rice fields

3. Wetlands

Select the correct answer using the code given below:
A) 1 only
B) 2 and 3 only
C) 1 and 3 only
D) 1, 2 and 3
Answer (Select an option above to get the answer):
(Single Best Answer) Question 126: Consider the following:

1. Coat pits

2. Sewers

3. Volcanic eruptions

Which of the above is / are the source / sources of H2S in the environment ?
A) 1 and 2 only
B) 2 only
C) 1 and 3 only
D) 1, 2 and 3
Answer (Select an option above to get the answer):
(Single Best Answer) Question 127: Eutrophication of water bodies is mainly caused by ?
A) carbonates and oxides
B) hydrocarbons and metals
C) carbonates and sulphates
D) phosphates and nitrates
Answer (Select an option above to get the answer):
(Single Best Answer) Question 128: A transition zone or region separating two biomes is known as ?
A) ecocline
B) ecological niche
C) ecotone
D) ecotype
Answer (Select an option above to get the answer):
(Single Best Answer) Question 129: Which one of the following is a secondary pollutant ?
A) Benzene
B) Nitrogen oxide
C) Ozone
D) Sulphur dioxide
Answer (Select an option above to get the answer):
(Single Best Answer) Question 130: Cartagena Protocol on Biosafety deals with ?
A) establishing or promoting in situ conservation facilities for rare and endangered organisms
B) maintaining the worldwide network of gene banks for all the known flora and fauna
C) monitoring and regulating the development of living modified organisms
D) ensuring safe handling, safe use and safe trans-boundary movement of living modified organisms
Answer (Select an option above to get the answer):