2991: Jupiter completes one circuit of the Sun in
(a) 13 years
(b) 12 years
(c) 16 years
(d) 10 years
2992: Consider the following landmarks in Indian education :
(i) Hindu College, Calcutta
(ii) University of Calcutta
(iii) Adam's Report
(iv) Wood's Despatch
The correct chronological order of these landmarks is
(a) I, III, IV, II
(b) I, IV, III, II
(c) III, I, IV, II
(d) III, II, IV, I
2993: The most controversial provision in the 42nd Constitution Amendment was:
(a) Supremacy of Parliament
(b) Enumeration of ten Fundamental Duties
(c) Term of Lok Sabha and Legislative Assemblies
(d) Primacy to the Directive Principles over the Fundamental Rights
2994: If a tropical rain forest is removed, it does not regenerate quickly as compared to a tropical deciduous forest. This is because
(a) Propagules of the trees in a rain forest have poor viability
(b) The soil of rain forest is deficient in nutrients
(c) The rain forest species are slow growing
(d) Exotic species invade the fertile soil of rain forest
2995: Organic Light Emitting Diodes (OLEDs) are used to create digital display in many devices.
What are the advantages of OLED displays over Liquid Crystal displays?
1. OLED displays can be fabricated on flexible plastic substrates.
2. Roll-up displays embedded in clothing can be made using OLEDs.
3. Transparent displays are possible using OLEDs.
Select the correct answer using the code given below
(a) 1 and 3 only
(b) 2 only
(c) 1, 2 and 3
(d) None of the above statements is correct