1526: Consider the following kinds of organisms:
1. Bacteria
2. Fungi
3. Flowering Plants
Some species of which of the above kinds of organisms are employed as biopesticides?
(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
1527: Each of the persons A, B, C, D and E possesses Unequal number (<10) of similar items. A, B and C possess 21 items in all, while C, D and E possess 7 items in all. How many items do A and B possess in all?
(A) 17
(B) 15
(C) 18
(D) Data is insufficient
1528: A cloth is woven with white and violet colour threads alternatively for 2 cm in one direction and with white and grey colour threads for 2 cm in the perpendicular direction. Which of the following patterns would emerge?
(a) Squares of two colours
(b) Squares of three colours
(c) Squares of four colours
(d) Stripes of four colours
1529: The substitution of steel for wooden ploughs in agricultural production is an example of
(a) labour-augmenting technological progress
(b) capital-augmenting technological progress
(c) capital-reducing technological progress
(d) None of the above
1530: On the planet earth, most of the freshwater exists as ice caps and glaciers. Out of the remaining freshwater, the largest proportion
(a) is found in atmosphere as moisture and clouds
(b) is found in freshwater lakes and rivers
(c) exists as groundwater
(d) exists as soil moisture