861: Consider the following statements :

I. Tapeworm is a hermaphrodite.
II. Round-worm has separate sexes.
III. Filaria is caused by a nematode.
IV. Guinea-worm is an annelid.

Which of these are correct ?

(a) I and II
(b) I, II and III
(c) III and IV
(d) II, III and IV
862: 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
863: The famous dialogue between, Nachiketa and Yama is mentioned in the

(a) Chhandogyopanishad
(b) Mundakopanishad
(c) Kathopanishad
(d) Kenopanishad
864: A person stands at the middle point of a wooden ladder which starts slipping between a vertical wall and the floor of a room, while continuing to remain in a vertical plane. The path traced by a person standing at the middle point of the slipping ladder is:

(a) A straight line

(b) An elliptical path

(c) A circular path

(d) A parabolic path
865: Claims to the historical Macedonian territory have been a bone of contention between which of the following countries?

(a) Portugal and Spain
(b) Bulgaria and Greece
(c) Portugal and Greece
(d) Romania and Bulgaria