Geography  Misc

1. Consider the statements regarding Earths interior and seismic waves.
1. Primary waves totally disappear in the core region revealing that outer core is made
up of liquid.
2. Secondary waves show changes in its speed as it travels from magma chamber to
lithosphere region indicating difference in density.
3. The speed of secondary waves is highest inside the Earths Core region indicating
highest density in the Core region.
Choose the correct statement/s from the code below.

1, 2 only. 2 only. 1, 3only. 2, 3 only.

2. Earth experiences seasons in a rhythmic fashion.
What are the causative factors?
1. Rotation of the Earth on its own axis.
2. Revolution of the Earth in its orbit around the Sun.
3. Spherical shape of the Earth.
4. Earths tilted axis.
5. Axial parallelism.
Choose the correct code from the following.

1, 2 only. 1, 2, 3 only. 1, 2, 4, 5 only. All the above.

3. Winter solstice for Northern Hemisphere generally is on 22nd or 21st December every year. Consider the statements regarding winter solstice in Northern Hemisphere.
1. The circle of illumination excludes the North Pole region from Sunlight.
2. From 66.5 degree South to 90 degree South, the Sun remains below the horizon the
entire day.
3. Arctic Circle is the Southernmost parallel in the Northern Hemisphere that
experiences a 24 hour period of darkness on this day.
Choose the correct statements from the codes below.

1 only. 1, 3 only. 2 only. None of the above.

4. Paleomagnetism is the past magnetism of Earth stored in a rock. Which among the following type of rocks provides most reliable readings of magnetism at a particular time?

Igneous rocks. Sedimentary rocks. Metamorphic rocks. All the above rock types are equally reliable.

5. Earths magnetosphere is the area around the Earth where the geomagnetic field stretches out into space. Consider the following statements regarding magnetosphere.
1. It is uneven in shape as it stretches largely towards the Sun because of Suns
magnetic field.
2. solar winds can have influence on the Earths magnetosphere.
3. This sphere deflects the charged particles that approach the Earths surface.
Choose the correct statement/s from the following codes.

1, 2 only. 2, 3 only. 1, 3 only. All the above.

6. Plasma is one of the four fundamental states of matter. Consider the following
statements.
1. It doesnt have volume but has shape.
2. It is the most abundant form of matter.
3. Gas or air can be turned into plasma when artificially ionized.
Choose the correct statements from the codes below.

3 only. 1, 3 only. 2, 3 only. 1 only.

7. Sun spots are the one found on the outer surface of the Sun. Consider the statements regarding Sun spots.
1. Sun spots region generally have lower temperature than the surrounding region on
the Suns outer surface.
2. Sun spots do not have any effect on Earths climate.
3. Each period of weak Sun spot activity co-relates with the period of overall high solar
radiation output from the Suns surface.
4. Sun spots generally have 11 year cycle.
Choose the correct statement/s from the following codes.

1, 2 only. 1, 3, 4 only. 1, 2, 4 only. 2, 4 only.

8. continental Drift theory by Wegener changed the perceptions about the Earths crust. Consider the statements regarding this theory.
1. Sialic masses used to float over the Sima without any resistance being offered by
Sima.
2. Earlier all land masses were united to form a massive landmass known as
Panthalasa.
3. ocean floors were considered to be stable and never moved.
Choose the correct statement/s from the following.

1 only. 1, 3 only. 2, 3 only. None of the above.

9. Consider the statements regarding different types of plates in Plate tectonic Theory.
1. Destructive plate boundary is one in which continuous upwelling of molten material
ie lava takes place.
2. Divergent plate boundary is one which two plates slide past one another thus
neither creating nor destroying continental landmass.
3. Convergent plate boundary is one in which one plate overrides the other plate.
Choose the correct statement/s from the following code.

1, 2 only. 2 only. 3 only. All the above.

10. Consider the statements regarding geysers which are special type of hot springs.
1. Hot water and vapour spouts from geyser tube intermittently.
2. It represents the minor form of broader processes of vulcanicity.
3. It is found only in tropical regions.
Choose the incorrect statement/s from the following code.

2, 3 only. 1, 2 only. 2 only. 3 only.

 

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