2421: A hemispherical bowl is filled to the brim with a beverage. The contents of a bowl are transferred into a cylindrical vessel whose radius is 50% more than its height. If the diameter is same for both bowl and cylinder, then the volume of the beverage in the, cylindrical vessel will be
(a) 66(2/3)%
(b) 78½%
(c) 100%
(d) more than 100% (that is, some liquid will still be left in the bowl)
2422: Phytotron is a facility to
(a) grow plants under disease-free conditions
(b) conserve endangered species of plants
(c) grow plants under controlled conditions
(d) induce mutations
2423: The messages received by and transmitted from the brain to the various parts of the body take the form of:
(a) Nervous impulses
(b) Chemical impulses
(c) Mechanical impulses
(d) Automatic impulses
2424: What is Medecins Sans Frontieres (MSF)?
(a) An agency formed by the International Olympic Committee (IOC) to check misuse of drugs by sports persons
(b) A non-governmental organization which specialized in international humanitarian aid and emergency medical assistance.
(c) An organization to develop applications of nanotechnology in medicine
(d) An organization of medical practitioners funded by the European Union which carries out research against spread of AIDS
2425: Consider the following statements regarding environment issues of India:
I. Gulf of Mannar is one of the biosphere reserves.
II. The Ganga Action Plan, phase II has been merged with the National River Conservation Plan.
III. The National Museum of Natural History at New Delhi imparts non-formal education in environment and conservation.
IV. Environmental Information System (ENVIS) acts as a decentralised information network for environmental information.
Which of these statements are correct ?
(a) I, II and IV
(b) I, II, III and IV
(c) II and III
(d) I, III and IV