846: Which one of the following States of India has passed a legislation (in 1996) making the maintenance of one's parents mandatory?

(a) Kerala

(b) West Bengal

(c) Maharashtra

(d) Himachal Pradesh
847: How can the height of a person who is six feet tall be expressed (approximately) in nanometres?

(a) 183 x 106 nanometres
(b) 183 x 107 nanometres
(c) 234 x 106 nanometres
(d) 234 x 107 nanometres
848: During cardiac failure, which of the following is advised as a first aid ?

(a) Mouth to mouth resuscitation

(b) Giving external cardiac massage

(c) Giving cool water to drink

(d) Giving complete body massage
849: Which one of the following statements is not correct?

(a) The boiling point of an aqueous solution is higher than that of pure water

(b) Addition of solutes to a solution causes an increase in its water potential

(c) The vapour pressure of the water in a solution is lower than that of pure water

(d) When a solution is separated from water by a semi permeable membrane, water movement can be prevented by applying pressure to the solution
850: 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.