QUESTION BOOKLET: I SET-I I WEST BENGAL STATE UNIVERSITY B.A. (Honours, Major, General) PART-I Examinations, 2017 ENVIRONMENTAL STUDIES (FOR ARTS CANDIDATES) Time Allotted: 1 Hours Full Marks: 50 Instruction The candidate should indicate the correct Roll Number, Registration No., Question Booklet Set on the I OMR Answer-Sheet otherwise the Answer-Sheet will not be evaluated and the candidate will be solely responsible for it. ' I Each question has four alternative answers. The candidate has to darken only one circ1e1bubble on the Answer-Sheet using blacklblue ballpoint pen indicating the correct answer as shown bellow. If more than one answer / option is found darkened, then the question will be 'treated wrong and will not be Le_v_al_u_m_e_d. ~ ~ 'J _Example: .000 Answer all the questions: 1. The best treatment of hospital waste occurs through (A) Washing in rivers ~ Drying in the open (C) Recycle and reuse (D) Incineration 2x25 = 50 2. Which ofthe following is the lowest concentration? cY<> 10 ppm (B) 100 mg/lit (C) 10 mg/ml (D) 1 gm/ml 3. An aqueous waste having high BOD value, when discharged in water, will 05 Increase the DO level (B) Decrease the DO level (C) Keep DO level of water unchanged (D) Cause none ofthe above EVIOI 1 TurnOver
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QUESTION BOOKLET: I SET-I I
WEST BENGAL STATE UNIVERSITYB.A. (Honours, Major, General) PART-I Examinations, 2017
ENVIRONMENTAL STUDIES
(FOR ARTS CANDIDATES)Time Allotted: 1Hours Full Marks: 50
InstructionThe candidate should indicate the correct Roll Number, Registration No., Question Booklet Set on the IOMR Answer-Sheet otherwise the Answer-Sheet will not be evaluated and the candidate will be solelyresponsible for it. ' I
Each question has four alternative answers. The candidate has to darken only one circ1e1bubbleon the Answer-Sheet using blacklblue ballpoint pen indicating the correct answer as shown bellow. Ifmore than one answer / option is found darkened, then the question will be 'treated wrong and will not be
Le_v_al_u_m_e_d. ~ ~ 'J_Example: .000
Answer all the questions:
1. The best treatment of hospital waste occurs through
(A) Washing in rivers ~ Drying in the open(C) Recycle and reuse (D) Incineration
2x25 = 50
2. Which ofthe following is the lowest concentration?
15. The Earth Summit in Rio took place in the year
(A) 1972(<;11992
(B) 1982(D) 2002
16. UNCBD stands for
(A) United Nations Convention of Biological Differences~ United Nations Convention on Biological Diversity(C) United Nations Convention of Biochemical Defense(D) United Nations Convention on Bio-degenetation
17. Estimated global population, was 1 billion in the year
(A) 1800 AD 4) 1850 AD(C) 1900 AD (D) 1950 AD
18. The present population on earth is about
(~6 millionjC) 7.4 billion
(B) 6 billion(D) 9 billion
19. Sangai is the state animal of
ft.) Manipur(C) Kamataka
(B) Kerala(D) Andhra Pradesh
EVIOI 3 TurnOver
Q.B.lSet-IlENVS/2017
20. Which oxidation state of Chromium causes severe water pollution?
(A) +1
~+6(B) +3
. (Q) +5
21. EXxon - Valdez is associated with
(A) Radioactive waste)eJ Oil spill
(B) Biodegradable waste(D) None ofthese
22. Chemobyl is associated with
(A) Mercury pollutionje) Radioactive pollution
23. The Earth Day is celebrated on
yt) April 22(C) June 5
(B) Lead pollution(D) Nitrate pollution
(B) May 27(D) October 2
24. A 2016 global census of tigers puts their number at.(A) 2500 individuals .{If) 3211 individuals(C) 3387 individuals (D) 3890 individuals