5986.Earth`s seasons are caused by which of the following?
The tilt of the earths rotation relative to the ecliptic as earth revolves around the sun
The varying amount of sunspot activity
The earths orbit around the sun as an exlipse rather than a circle
The rotation of during a 24-hour day
5987.Which of the following is most likely to cause a rise in the average temperature of earth s atmosphere in future?
Atomic warfare
CO2 from fossil fuels
Dust clouds from valcanoes
Depletion of earths ozone layer
6000.With reference to the soil conservation, consider the following practices:
1. Crop relation
2. Sand fences
3. Terracing
4. Wind breaks
Which of the above are considered appropriate methods for soil conservation in India?
1. Crop relation
2. Sand fences
3. Terracing
4. Wind breaks
Which of the above are considered appropriate methods for soil conservation in India?
1, 2 and 3 only
2 and 4 only
1, 3 and 4 only
1, 2, 3 and 4
6001.The most abundant organic molecule on the surface of the Earth is
cellulose
chitin
DNA
hemoglobin
6002.Biodiversity forms the basis for human existence in the following ways:
1. Soil formation
2. Prevention of soil erosion
3. Recycling of waste4. Pollination of crops
1. Soil formation
2. Prevention of soil erosion
3. Recycling of waste4. Pollination of crops
1, 2 and 3 only
2, 3 and 4 only
1 and 4 only
1, 2, 3 and 4
6013.Which of the following parts of the sun is easily visible only during a total solar eclipse?
core
photosphere
sunspots
corona
6020.The solar eclipse occurs when
the sun comes in between the moon and the earth
the earth comes in the between the sun and the moon
the moon comes in between the sun and the earth
None of the above
6021.The removal of top soil by water or wind is called
Soil wash
Soil erosion
Soil creep
Silting of soil
6030.The intencity of Earthquakes is measured on
Richter scale
Secant scale
Mercalli scale
Beaufort scale
6031.The general direct flow of summer monsoon in India is
From South to North
From South West to South East
From South East to South West
From South West to North East
6032.The gas predominantly responsible for global warming is
Carbon dioxide
Carbon monoxide
Nitrous oxide
Nitrogen peroxide
6035.The concept of carbon credit originated from which one of the following?
Earth Summit, Rio de Janeiro
Kyoto Protocol
Montreal Protocol
G-8 Summit, Hciligendamm
6041.Which one of the following types of waves are used in a night vision apparatus?
Radio waves
Microwaves
Infra-red waves
None of the above
6049.WiMAX is related to which one of the following?
Biotechnology
Space technology
Missile technology
Communication technology
6050.The Himalayan Range is very rich in species diversity. Which one among the following is the most appropriate reason for this phenomenon?
It has high rainfall that supports luxuriant vegetative growth
It is a confluence of different bio-geographical zones
Exotic and invasive species have not been introduced in this region
It has less human interference
6051.The accumulation of stress along the boundaries of lithospheric plates results in which of the following?
Earthquakes
Magnetic reversals
Hurricanses
Increased deposition of deep-sea sediments
6052.Who gave the first evidence of the Big- Bang theory?
Edwin Hubble
Albert Einstein
S. Chandrasekhar
Stephen Hawking
6053.If a tropical rain forest is removed, it does not regenerate quickly as compared to a tropical deciduous forest. This is because
The soil of rain forest is deficient in nutrients
Propagules of the trees in a rain forest have poor viability
The rain forest species are slow growing
Exotic species invade the fertile soil of rain forest