451: In a particular region in India, the local people train the roots of living trees into robust bridges across the streams. As the time passes, these bridges become stronger. These unique 'living root bridges' are found in
(a) Meghalaya
(b) Himachal Pradesh
(c) Jharkhand
(d) Tamil Nadu
452: Consider the following crops :
1. Cotton
2. Groundnut
3. Rice
4. Wheat
Which of these are Kharif crops?
(a) 1 and 4
(b) 1, 2 and 3
(c) 2 and 3 only
(d) 2, 3 and 4
453: Metals known to Indus Valley Civilisation were:
(a) Gold, copper, silver but not iron
(b) Silver, iron, bronze but not gold
(c) Iron, copper, gold but not silver
(d) Zinc, silver, iron but not gold
454: Consider the following statements :
1. On the planet Earth, the fresh water available for use amounts to about less than 1% of the total water found.
2. Of the total fresh water found on the planet Earth 95% is bound up in polar ice caps and glaciers.
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
455: With reference to the Government of India's various programmes, what is Nirmal Gram Puraskar?
(a) It is an incentive scheme of scholarships for the single girl child in families in villages.
(b) It is an incentive scheme of scholarships for female sportspersons from villages who represent their states in any game.
(c) It is an incentive scheme for schools in the villages for computer education.
(d) It is an incentive scheme Panchayati Raj institutions.