166: A spherical body moves with a uniform angular velocity around a circular path of radius r. Which one of the following statements is correct?
(a) The body has no acceleration
(b) The body has a radial acceleration 2r directed towards the centre of the path.
(c) The body has a radial acceleration 2/5 2r directed away from the centre of the path.
(d) The body has an acceleration 2r tangential to its path
167: Where was the World Summit on Sustainable Development (Rio + 10) held ?
(a) Johannesburg
(b) Shanghai
(c) Nova Scotia
(d) Davos
168: Hormones which are necessary for the development of the human body are secreted by:
(a) Thyroid gland
(b) Pituitary gland
(c) Parathyroid gland
(d) Exocrine gland
169: Match List I with List II and select the correct answer by using the codes given below the lists :
List I------------ List II
I. Chittagong Armoury raid----(A) Lala Hardayal
II. Kakori Conspiracy--------(B) Jatin Das
III. Lahore Conspiracy------(C) Surya Sen
IV. Ghadr Party-------------(D) Ram Prasad Bismil
----------(E) Vasudeo Phadke
Codes:
(a) I-C, II-D, III-A, IV-E
(b) I-D, II-C. III-B, IV-E
(c) I-C, II-D, III-B, IV-A
(d) I-B, II-D, III-C, IV-A
170: Sculptures of the Mathura School of Art, which flourished in the early centuries of the Christian Era, are made out of:
(a) Marble
(b) Slate stone
(c) Granite
(d) Red sandstone