341: Which one of the following has a greater perimeter than the rest ?
(a) A square with an area of 36 sq cm
(b) An equilateral triangle with a side of 9 cm
(c) A rectangle with 10 cm as length and 40 sq cm as area
(d) A circle with a radius of 4 cm
342: 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
343: The ideal climatic conditions for the cultivation of rice are
(a) rainfall above 100 cm, temperature above 25°C
(b) cool and moist climate for the entire crop period
(c) rainfall below 100 cm, temperature below 25°C
(d) warm and dry climate during the entire crop period
344: Given below are colours of the visible spectrum. Identify the correct sequence in order of Increasing wavelengths.
(a) Red, Yellow, Blue, Violet
(b) Violet, Yellow, Blue, Red
(c) Blue, Yellow, Red, Violet
(d) Violet, Blue, Yellow, Red
345: Consider the following statements about probiotic food :
1. Probiotic food contains live bacteria which are considered beneficial to humans.
2. Probiotic food helps in maintaining gut flora.
(a) 1 only
(b) 2 Only
(c) Both 1 and 2
(d) Neither 1 nor 2