3121: Who of the following was/were economic critic/ critics of colonialism in India?

1. Dadabhai Naoroji
2. G. Subramania Iyer
3. R. C. Dutt

Select the correct answer using the code given below.

(a) 1 only
(b) 1 and 2 only
(c) 2 and 3 only
(d) 1, 2 and 3
3122: 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
3123: Which one of the following genetic diseases is sex-linked ?

(a) Royal haemophilia
(b) Tay-Sachs disease
(c) Cystic fibrosis
(d) Hypertension
3124: In the federation established by The Government on India Act of 1935. Residuary Power were given to the

(a) Federal Legislature
(b) Governor General
(c) Provincial Legislature
(d) Provincial Governors
3125: Who among the following were the founders of the "Hind Mazdoor Sabha" established in 1948 ?

(a) B. Krishna Pillai, E.M.S. Namboodiripad and K.C. George
(b) Jayaprakash Narayan, Deen Day al Upadhyay and M.N. Roy
(c) C.P. Ramaswamy Iyer, K. Kamaraj and Veeresalingam Pantulu
(d) Ashok Mehta, T.S. Ramanujam and G.G. Mehta