256: The theory of "Jumping Genes" was propounded by

(a) Gregor Johann Mendel

(b) Thomas Hunt Morgan

(c) Barbara McClintock

(d) Watson and Crick
257: Those who joined Mahatma Gandhi during the Champaran struggle included

(a) Vallabhbhai Patel and Vinobha Bhave

(b) Jawaharlal Nehru and Rajendra Prasad

(c) Rajendra Prasad and Anugraha Narayan Sinha

(d) Mahadev Desai and Maniben Patel
258: For the measurement/estimation of which of the following are satellite images/remote sensing data used?

1. Chlorophyll content in the vegetation of a specific location
2. Greenhouse gas emissions from rice paddies of a specific location
3. Land surface temperatures of a specific location

Select the correct answer using the code given below.

(a) 1 Only

(b) 2 and 3 only

(c) 3 only

(d) 1, 2 and 3
259: 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
260: During the time of which Mughal Emperor did the English East India Company establish its first factory in India?

(a) Jahangir

(b) Akbar

(c) Shahjahan

(d) Aurangzeb