51: Which one of the following is used as an explosive?
(a) Nitroglycerine
(b) Phosphorus trichloride
(c) Mercuric oxide
(d) Graphite
52: What is/are the importance of the 'United Nations Convention to Combat Desertification'?
1. It aims to promote effective action through innovative national programs and supportive inter-national partnerships.
2. It has a special/particular focus on South Asia and North Africa regions, and its Secretariat facilitates the allocation of major portion of financial resources to these regions.
3. It is committed to bottom-up approach, encouraging the participation of local people in combating the desertification.
Select the correct answer using the code given below.
(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
53: Consider the following pairs:
1. Radhakanta Deb: First President of the British Indian Association
2. Gazulu Lakshminarasu Chetty: Founder of the Madras Mahajana Sabha
3. Surendranath Banerjee: Founder of the Indian Association
Which of the above pairs is/are correctly matched?
(a) 1 only
(b) 1 and 3 only
(c) 2 and 3 only
(d) 1, 2 and 3
54: Who among the following is a Hindustani classical singer ?
(a) Geeta Chandran
(b) Gangubai Hangal
(c) Swapnasundari
(d) Leela Samson
55: With reference to the blood in a normal person, which one of the following statements is correct?
(a) Compared to arteries, veins are less numerous and hold less of the body's blood at any given time
(b) Blood cells constitute about 70 per cent of the total volume of the blood
(c) White Blood Cells (WBC) are made by lymph nodes only
(d) The blood has more platelets than WBC