411: The first bird is believed to have appeared on the surface of the earth
(a) 300 million years ago
(b) 200 million years ago
(c) 150 million years ago
(d) 100 million years ago
412: Which one of the following statements is not correct?
(a) There is no definition of the Scheduled Tribe in the Constitution of India.
(b) North-East India accounts for a little over half of the countrys tribal population.
(c) The people known as Todas live in the Nilgiri area.
(d) Lotha is a language spoken in Nagaland.
413: Which one of the following pairs of states and tribes is not correctly matched?
(a) Assam : Miri
(b) Nagaland : Konyak
(c) Aranachal Pradesh : Apatani
(d) Madhya Pradesh : Lambada
414: With reference to the Agreement at the UNFCCC Meeting in Paris in 2015, which of the following statements is/are correct?
1. The Agreement was signed by all the member countries of the UN and it will go into effect in 2017.
2. The Agreement aims to limit the greenhouse gas emissions so that the rise in average global temperature by the end of this century does not exceed 2 °C or even 1.5 °C above pre-industrial levels.
3. Developed countries acknowledged their historical responsibility in global warming and committed to donate $ 1000 billion a year from 2020 to help developing countries to cope with climate change.
Select the correct answer using the code given below.
(a) 1 and 3 only
(b) 2 only
(c) 2 and 3 only
(d) 1, 2 and 3
415: Consider the following climatic and geographical phenomena:
1. Condensation
2. High temperature and humidity
3. Orography
4. Vertical wind
Thunder Cloud development is due to which of these phenomena?
(a) 1 and 2
(b) 2, 3 and 4
(c) 1, 3 and 4
(d) 1, 2, 3 and 4
Explanation:
The thunder cloud develops by all the above climatic and geographical phenomena.
High temperature and humidity causes the wind to rise vertically up, due to Orography or pressure of mountains. These winds get condensated and form Cumulonimbus clouds or thunder clouds.