1471. The famous work - An Essay on the Principle of Population is by ?
Thomas Malthus
1472. Economists have divided economy into three sectors namely?
1 Primary sector 2 Secondary sector 3Tertiarysector (Service sector)
1473. Who is the author of “Shishyanum Makanum”?
Vallathol Narayana Menon
1474. Which reflects back more sunlight as compared to other three?
Land covered with fresh snow
1475. Which region experiences three cropping season for rice in India (Rice Bowl of India)?
Brahmaputra valley
1476. Hardwar is on the bank of which River?
Ganges
1477. Who is the author of “ Rakthapushpangal “?
Changampuzha Krishna Pilla
1478. Who was assigned the first Iqta in India by Mohammad Ghori?
Qutbuddin Aibak
1479. When chlorophyll absorbs light; what does it gets excited and emits?
Electrons
1480. Who is the author of Ramacharitamanas?
Thulasi Das