71: Reading of the barometer going down is an indication of:
(a) Storm
(b) Rainfall
(c) Snow
(d) Intense heat
72: Which pair is correct ?
(a) Sea horse, Sea cucumber, Sea urchin
(b) Star fish, Cuttle fish, Dog
(c) House fly, Dragon fly, Butterfly
(d) Earthworm, Ringworm, Tapeworm
73: Which of the following is/are treated as artificial currency ?
(a) ADR
(b) SDR
(c) GDR
(d) Both ADR and SDR
Explanation:
Special Drawing Rights (SDRs) ar costless assets that increase a nation's foreign exchange reserves without the need for an actual transfer of funds. SDRs are an artificial currency used by the IMF and defined as a "basket of national currencies". The IMF uses SDRs for internal accounting purposes. SDRs are allocated by the IMF to its member countries and are backed by the full faith and credit of the member countries' governments.
While ADR and GDR are financial instruments.
74: Consider the following statements:
A 4-wheel vehicle moving a sharp circular path at high speed will
1. Overturn about its outer wheels
2. Overturn about its inner wheels
3. Skid outwards
4. Skid inwards
Which of these statements are correct?
(a) 1 and 3
(b) 2 and 4
(c) 2 and 3
(d) 1 and 4
75: When a CD (Compact Disc used in audio and video systems) is seen in sunlight, rainbow like colours are seen. This can be explained on the basis of the phenomenon of
(a) reflection and diffraction
(b) reflection and transmission
(c) diffraction and transmission
(d) refraction, diffraction and transmission
Explanation:
The compact disc is transparent for light, as it is an 'optical disc'. As light travels through the CD, all the three phenomena refraction, diffraction and transmission will result in rainbow like colours.