Q1.Consider the following statements regarding Graphene :

1) Graphene is a sheet of multi-layered carbon atoms, tightly bound in a hexagonal honeycomb lattice.
2) Graphene is the thinnest compound known to man and also the strongest compound discovered.
3) It is electrically and thermally conductive but also transparent.

Which of the above statements are true ?

a) 1 & 2 only
b) 2 & 3only
c) 1 & 3only
d) all of the above

Q2. Which of the following are the main sources of methane emission to the atmosphere ?

1) Landfills
2) Waste water
3) Paddy rice fields
4) Intrinsic fermentation
5) Forest fires

a) 1,2 & 3only
b) 3,4 & 5 only
c) 1,4 & 5 only
d) all of the above

Q3. Which of the following statements regarding the recently developed “Green Crackers” by CSIR are true ?

1) It has unique property of releasing water vapour and /or air as dust suppressant and diluent for gaseous emissions and matching performance in sound with conventional crackers.
2) This endeavour of CSIR aims at addressing the pollution concerns at the same time protecting the livelihoods of those involved in this trade.
3) But these are 15-20% are much costlier than the conventional crackers.

a) 1 & 2 only
b) 2 & 3only
c) 1 & 3only
d) all of the above

Q4. Which of the following statements regarding foreign “currency swap agreement” are not true ?

1) The agreement consists of swapping principal and interest payments on a loan made in one currency for principal and interest payments of a loan of equal value in another currency.
2) Some institutions use currency swaps to increased their exposure to anticipated fluctuations in exchange rates.
3) Currency swaps differ from interest rate swaps in that they also involve principal exchanges.

a) 1 & 2only
b) 2 only
c) 3 only
d) 1 & 3only

Q5. Japan is separated from the Korean peninsula by which of the following seas?

a) Yellow Sea
b) East China sea
c) Sea of Japan
d) Phillipine sea
 

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ANSWER:

1(b), 2(d), 3(a), 4(b), 5(c)