116: Robert Webster is known for his work associated with which one of the following ?
(a) Influenza virus
(b) HIV/AIDS
(c) Cardiology
(d) Alzheimer
117: Which of the following pairs of states and their important crops are correctly matched ?
I. Kerala : Tapioca
II. Maharashtra : Cotton
III. W. Bengal : Jute
IV. Gujarat : Groundnut
Select the correct answer using the codes given below :
Codes :
(a) I, II and III
(b) I, II and IV
(c) I, III and IV
(d) II, III and IV
118: With reference to the river Luni, which one of the following statements is correct?
(a) It flows into Gulf of Khambhat
(b) It flows into Gulf of Kuchchh
(c) It flows into Pakistan and merges with a tributary of Indus
(d) It is lost in the marshy land of the Rann of Kuchchh
119: Which one of the following is a very significant aspect of the Champaran Satyagraha?
(a) Active all-India participation of lawyers, students and women in the National Movement
(b) Active involvement of Dalit and Tribal communities of India in the National Movement
(c) Joining of peasant unrest to India's National Movement
(d) Drastic decrease in the cultivation of plantation crops and commercial crops
120: The resolving power of an electron microscope is much higher than that of an ordinary light microscope because resolving power increases:
(a) If wavelength is short and wavelength of electron beam can be made quite small by accelerating the electrons.
(b) If wavelength is short and light given by electrons has very short wavelength.
(c) If magnification is high and electronic lens provides much higher magnification.
(d) If magnification is high and the electron microscope has a battery of lenses to provide high magnification.