1066: Sparkling red colour after the blast of fire crackers is due to the presence of:
(a) Strontium
(b) Sodium
(c) Sulphur
(d) Magnesium
1067: The technique used to transmit audio signals in television broadcasts is
(a) Amplitude Modulation
(b) Frequency Modulation
(c) Pulse Code Modulation
(d) Time Division Multiplexing
1068: Assertions (A) :
A mixture of salt and ice gives temperature below 0°C.
Reason (R) :
The salt raises the freezing point of ice.
In the context of the above two statements, which one of the following is correct?
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and Rare true but R is NOT the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
1069: With reference to the National Rehabilitation and Resettlement Policy, 2007, consider the following statements :
1. This policy is applicable only to the persons affected by the acquisition of land for projects and not to the involuntary displacement due to any other reason.
2. This policy has been formulated by the Ministry of Social Justice and Empowerment.
Which of the statements given above is/are correct ?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
1070: A tree species in Mauritius failed to reproduce because of the extinction of a fruit-eating bird. Which one of the following was that bird ?
(a) Dove
(b) Dodo
(c) Condor
(d) Skua