26: Mixed farming means:
(a) Simultaneous cultivation of a number of crops in a single field
(b) Alternate cropping in a field
(c) Growing fruits and vegetables in the same field
(d) None of these
27: The theme of Indian Science Congress, 2001 was
(a) Food Nutrition and Environmental Security
(b) Arrest declining interest in pure sciences
(c) Make India energy self-sufficient
(d) Make India IT Superpower
28: In the above map, the black marks show the distribution of
(a) Asbestos
(b) Gypsum
(c) Limestone
(d) Mica
29: Why is a plant called Prosopis juliflora often mentioned in news ?
(a) Its extract is widely used in cosmetics.
(b) It tends to reduce the biodiversity in the area in which it grows.
(c) Its extract is used in the synthesis of pesticides.
(d) None of the above
30: Consider the following statements:
1. Most of Indias external debt is owed by governmental entities.
2. All of Indias external debt is denominated in US dollars.
Which of the statements given above is/are correct?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2