2876: Consider the following:-

1. Carbon dioxide

2. Oxides of Nitrogen

3. Oxides of Sulphur

Which of the above is/are the emission/emissions from coal combustion at thermal power plants?

(a) 1 only
(b) 1 and 3 only
(c) 2 and 3 only
(d) 1, 2 and 3
2877: A, B, C, D, E and F, not necessarily in that order are sitting on six chairs regularly placed around a round table. It is observed that

1. A is between D and F,
2. C is opposite D,
3. and D and E are not on neighbouring chairs.

Which one of the following pairs must be sitting on neighbouring chairs ?

(a) A and B
(b) C and E
(c) B and F
(d) A and C
2878: Which one of the following is not a feature of Limited Liability Partnership firm?

(a) Partners should be less than 20

(b) Partnership and management need not be separate

(c) Internal governance may be decided by mutual agreement among partners

(d) It is corporate body with perpetual succession
2879: The acidification of oceans is increasing. Why is this phenomenon a cause of concern?

1. The growth and survival of calcareous phytoplankton will be adversely affected.

2. The growth and survival of coral reefs will be adversely affected.

3. The survival of some animals that have phytoplanktonic larvae will be adversely affected.

4. The cloud seeding and formation of clouds will be adversely affected.

Which of the statements given above is /are correct?

(a) 1, 2 and 3 only
(b) 2 only
(c) 1 and 3 only
(d) 1, 2, 3 and 4
2880: Why DDT is banned in western countries?

(a) It remains in environment for a long time

(b) The insects are immunised

(c) It is a highly poisonous insecticide

(d) None of the above