Tag: earthquakes

Questions Related to earthquakes

Pollution of water bodies results in ________________.

  1. loss of aquatic ecosystem

  2. impure quality of water

  3. scarcity of fresh water

  4. all of the above


Correct Option: D
Explanation:
Water pollution is the contamination of water by various pollutants. The effect of water pollution depends upon the kind of chemicals and other pollutants being dumped into the water. The following are the effects of water pollution:
1) The main effect of water pollution is that there is a loss of the aquatic ecosystem. The fishes that depend upon water get killed by the harmful chemicals or plastics in the water. 
2) Another effect is that the water becomes impure by water pollution. The pollutants are so much harmful that the healthy bacteria living in the water get killed by the chemicals and water becomes unfit for any purposes. 
3) With water pollution there occurs a significant scarcity of freshwater. The water becomes unfit for drinking purposes. With the increasing water pollution and increase in falls in the groundwater, there arises a serious issue of freshwater.

From where the river Ganga originates?

  1. Yamunatri Glacier

  2. Gangotri glacier

  3. Tibetan plateau

  4. Altai mountains


Correct Option: B
Explanation:

The mainstream of Ganga begins at the confluence of the Bhagirathi and Alaknanda rivers in the town of Devprayag. The Bhagirathi rises at the foot of Gangotri Glacier, at Gaumukh, at an elevation of 3,893 m.

Which of the following lakes were formed by volcanic activities?
(A) Lonar lake
(B) Bhim Tal of Kumaun
(C) Toba lake
(D) Keloed lake

  1. A and C

  2. A and D

  3. A, C and D

  4. A, B, C and D


Correct Option: C

The biggest lake of fresh water in the world is _____________.

  1. Baikallake

  2. Superior lake

  3. Nyasa lake

  4. Victoria lake


Correct Option: B
Explanation:

Lake Superior is the largest lake in North America and also the largest freshwater lake in the world by surface area and the third-largest by volume. Its surface area is approximately 31,700 square miles. The lake is shared by the province of Ontario in Canada, and the states of Minnesota, Wisconsin, and Michigan in the US. 

Lake Baikal is a rift lake located in southern Siberia, Russia,
Lake Malawi, also known as Lake Nyasa in Tanzania and Lago Niassa in Mozambique, is an African Great Lake and the southernmost lake in the East African 
Lake Victoria is one of the African Great Lakes.

The lake formed due to tectonic activities is ________.

  1. Lohtak

  2. Wular lake

  3. Dal lake

  4. Bhimtal

  5. None of these


Correct Option: B
Explanation:

The Wular lake is integral to the hydrological system of the Kashmir valley. India's largest freshwater lake, the Wular lake was formed as a result of the tectonic activity and is fed by the Jhelum river. The lake, along with its marshes, regulates the water levels and offers protection against flooding.

Which of the following is a post volcanic activity?

  1. Earthquakes

  2. Lava ejection

  3. Thermal spring formation

  4. Typical behaviour of animals


Correct Option: A

The ___________ is the point on the surface of the earth directly above the focus of the earthquake.

  1. Stress

  2. Fault lines

  3. Epicentre

  4. None of these


Correct Option: C

Oceanic tidal waves which result from earthquakes are known as ____________.

  1. Hurricanes

  2. Syzygy

  3. Tornadoes

  4. Tsunami


Correct Option: D