4151: An aqueous solution of copper sulphate is acidic in nature because the salt undergoes

(a) dialysis

(b) electrolysis

(c) hydrolysis

(d) photolysis
4152: Which one of the following pairs is not correctly matched ?

(a) Cosmic Background Explorer (COBE) : Satellite programme

(b) Falcon : Under-sea cable system

(c) Discovery : Space shuttle

(d) Atlantis : Space station

4153: The blood glucose level is commonly expressed as

(a) mm of Hg
(b) milligram per decilitre
(c) parts per million
(d) grams per litre
4154: The founder of Boys Scouts and Girl Guides Movement in India was

(a) Charles Andrews

(b) Robert Montgomery

(c) Richard Temple

(d) Baden Powel
4155: How does the National Rural Livelihood Mission seek to improve livelihood options of rural poor?

1. By setting up a large number of new manufacturing industries and agribusiness centres in rural areas

2. By strengthening 'self-help groups' and providing skill development

3. By supplying seeds, fertilizers, diesel pump-sets and micro-irrigation equipment free of cost to farmers

Select the correct answer using the codes given below :

(a) 1 and 2 only
(b) 2 only
(c) 1 and 3 only
(d) 1, 2 and 3