2206: Biofilms are
(a) colour films used by biologists to photograph living organisms
(b) photomicrographs of microorganisms from various habitats
(c) accumulations of microorganisms at surfaces such as those of a rock, a tooth or an oil droplet
(d) photographic films made through fermentation processes of certain industrial microorganisms
2207: Tamil Nadu is a leading producer of mill made cotton yam in the country. What could be the reason ?
1. Black cotton soil is the predominant type of soil in the State.
2. Rich pool of skilled labour is available.
Which of the above is/are the correct reasons ?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
2208: Which one of the following four Vedas contains an account of magical charms and spells?
(a) Rig-veda
(b) Yajur-veda
(c) Atharva-veda
(d) Sama-veda
2209: A rectangle has a perimeter of 50 meters. If its length is 13 metres more than its breadth, then its area is
(a) 124 m2
(b) 144 m2
(c) 114 m2
(d) 104 m2
2210: Consider the following pairs : Programme/Project Ministry
1. Drought-Prone Area Programme : Minsitry of Agriculture
2. Desert Development Programme : Minsitry of Environment and Forests
3. National Watershed Development Project for Rainfed Areas : Minsitry of Rural Development
Which of the above pairs is/are correctly matched?
(a) 1 and 2 only
(b) 3 only
(c) 1, 2 and 3
(d) None