set 2 MCQ Questions & Answers Detailed Explanation
MOST IMPORTANT general science mcq - 3 EXERCISES
The following question based on environmental chemistry topic of general science mcq
(a) Cyclohexane
(b) Dextran
(c) Cyanohydrin
(d) Cyclonite
The correct answers to the above question in:
Answer: (d)
Discuss Form
Read more environmental chemistry Based General Science Questions and Answers
Question : 1
DDT is a –
a) antibiotics
b) biodegradable pollutant
c) non-biodegradable pollutant
d) none of the above
Answer »Answer: (c)
Question : 2
The greenhouse effect is because of the
a) presence of CO2 only in the atmosphere
b) pressure of O3 and CH4 in the atmosphere
c) presence of gases, which in general are strong infrared absorbers, in the atmosphere
d) N2O and chlorofluorohydrocarbons in the atmosphere
Answer »Answer: (c)
Greenhouse gases such as CO2, ozone, methane, chlorofluorocarbon compounds and water vapour from a thick cover around the earth prevent the IR rays emitted by the earth to escape.
It gradually leads to an increase in the temperature of the atmosphere.
Question : 3
Eutrophication causes reduction in
a) nutrients
b) dissolved oxygen
c) dissolved salts
d) All the above
Answer »Answer: (b)
Eutrophication causes reduction in D.O.
Question : 4
Which of the following chemicals is used in foam fire extinguishers? [NDA]
a) Cobalt sulphate
b) Copper sulphate
c) Aluminium sulphate
d) Nickel sulphate
Answer »Answer: (c)
Question : 5
Which of the following is not a synthetic fibre:
a) Nylon
b) Rayon
c) Angora
d) Polyester
Answer »Answer: (c)
Question : 6
Minimata disease is a pollution-related disease, which results from –
a) accumulation of arsenic into atmosphere
b) release of industrial waste mercury into fishing water
c) release of human organic waste into drinking water
d) oil spills into sea
Answer »Answer: (b)
Verbal Reasoning
Question & Answer Quiz
Non Verbal Reasoning
Question & Answer Quiz
Quantitative Aptitude
Question & Answer Quiz
Computer MCQ
Question & Answer Quiz
General English
Question & Answer Quiz
History GK
Question & Answer Quiz
Polity GK
Question & Answer Quiz
Geography GK
Question & Answer Quiz
Economy GK
Question & Answer Quiz
General Awareness GK
Question & Answer Quiz
Recently Added Subject & Categories For All Competitive Exams
Most Important Antonyms Vocabulary - IBPS Clerk Prelims 2024
Latest Antonyms multiple choice questions and answers with free PDFfor IBPS Clerk Prelims 2024. English Vocabulary practice exercise for all bank exam
Continue Reading »
Syllogism Practice Questions Answers PDF - IBPS Clerk 2024
Practice Verbal Reasoning Syllogism multiple choice questions and answers with Fully solved explanation, PDF for the IBPS Clerk Prelims 2024 Bank Exam
Continue Reading »
IBPS Clerk Prelims 2024 Synonyms Questions Solved Answers
Most important IBPS Clerk Prelims 2024 Synonyms and Antonyms multiple choice questions and answers with detailed solutions, English vocabulary PDF Download
Continue Reading »
New Cloze Test Questions and Answers PDF - IBPS Clerk 2024
The most important Cloze Test questions with detailed answers for upcoming IBPS Clerk prelims 2024. Latest English verbal ability practice MCQs, PDF
Continue Reading »