1681: Endoscopy, a technique used to explore the stomach or other inner parts of the body is based on the phenomenon of
(a) total internal reflection
(b) interference
(c) diffraction
(d) polarisation
1682: Cognizable offence refers to an offence where:
(a) Arrests can be made without warrant.
(b) Arrests can be made with warrant.
(c) It is under the jurisdiction of a court.
(d) Police can register a case without formal complaint.
1683: The 73rd Constitution Amendment Act, 1992 refers to the
(a) generation of gainful employment for the unemployed and the underemployed men and women in rural area
(b) generation of employment for the able bodied adults who are in need and desirous of work during the lean agricultural season
(c) laying the foundation for strong and vibrant Panchayati Raj Institutions in the country
(d) guarantee of right to life, liberty and security of person, equality before law and equal protection without discrimination
1684: There are 8 equitant points A, B, C, D, E, F, G and H in the clockwise direction on the periphery of a circle. In a time interval t, a person reaches from A to C with uniform motion while another person reaches the point E from the point B during the same time interval with uniform motion. Both the persons move in the same direction along the circumference of the circle and start at the same instant. How much time after the start, will the two persons meet each other?
(A) 4t
(B) 7t
(C) 9t
(D) Never
1685: Dehydration in the human body results due to loss of:
(a) Salts
(b) Water
(c) Vitamins
(d) Hormones