466: The approximate representation of land use classification in India is
(a) Net are sown 25%, forests 33% other areas 42%
(b) Net are sown 58%, forests 17% other areas 25%
(c) Net are sown 43%, forests 29% other areas 28%
(d) Net are sown 47%, forests 23% other areas 30%
Explanation:
India's total landmass is 32,87,263 square kilometers out of which total land area is 30,60,500 square kilometers. (Rest is water bodies). In 2005 the total arable land and land planted under permanent crops combined was 1,697,000 square kilometers (That is 51.62% of India's total land.), and total irrigated land was 548,000 square kilometers. The total of non-arable land and land not under permanent crops was 1,276,190 square kilometers.
Land use pattern in 1999-2000:
Net sown area : 46%
Forest : 23%
Other areas : 30% [14% (not available for cultivation) + 4% (pastures) + 5% (culturable wasteland) + 8% (fallow land)]
467: Which one of the following stars is nearest to the earth ?
(a) Polaris
(b) Alpha Centauri
(c) Sun
(d) Sirius
Explanation:
Sun is the nearest star of earth, with its average distance being 149-6 million km and proxima centauri is the second nearest star of the earth.
468: Recently, which of the following States has explored the possibility of constructing an artificial inland port to be connected to sea by a long navigational channel?
(a) Andhra Pradesh
(b) Chhattisgarh
(c) Karnataka
(d) Rajasthan
469: Given :
Humidity : H
High : A
Wind Velocity : W
Low : B
Temperature : T
The desert cooler is an appropriate cooling device for regions where
(a) HAWATB
(b) HBWBTA
(c) HAWBTB
(d) HAWATA
470: Consider the following factors:
1. Rotation of the Earth
2. Air pressure and wind
3. Density of ocean water
4. Revolution of the Earth
Which of the above factors influence the ocean currents?
(a) 1 and 2 only
(b) 1, 2 and 3
(c) 1 and 4
(d) 2, 3 and 4
Explanation:
The Rotation of Earth: It generates Coriolis Force, which act as winds,
Density of ocean water: Temperature and salinity differences influence the flow of ocean currents.
Air pressure and wind: High & Low pressure And Fast & Slow wind also influence the flow of ocean currents.