471: The Ramon Magsaysay Award winner Shanta Sinha is known as:
(a) A campaigner for urban sanitation
(b) An anti-child labour activist
(c) An organiser of rain-water harvesting schemes
(d) An activist for the welfare of poor rural women
472: Which of the following practices can help in water conservation in agriculture?
1. Reduced or zero tillage of the land
2. Applying gypsum before irrigating the field
3. Allowing crop residue to remain in the field
Select the correct answer using the code given below :
a. 1 and 2 only
b. 3 only
c. 1 and 3 only
d. 1, 2 and 3
473: Which one of the areas marked as A, B, C and D in the given figure of the cyclone, witnesses heavy torrential short-duration rainfall accompanied by thunderstorms ?
(a) A
(b) B
(c) C
(d) D
474: Which one of the following countries is the first country in the world to propose a carbon tax for its people to the address global warming ?
(a) New Zealand
(b) Germany
(c) Japan
(d) Australia
475: Which of the following can be said as the 'Theory of Darwin'
(a) Survival of the fittest and struggle for existence
(b) Weak and strong always maintain a fixed proportion
(c) Different species do not arise by genetic mutation
(d) None of these