Tag: threats to water resource

Questions Related to threats to water resource

Ionian Sea is the part of _______ Sea?

  1. Mediterranean

  2. Red

  3. Celebes

  4. Baltic


Correct Option: A
Explanation:

Ionian Sea, Latin Mare Ionium, Italian Mare Ionio, part of the Mediterranean Sea, lying between Albania (northeast), Greece (east), Sicily (southwest), and Italy (west and northwest). Though considered by ancient authors to be part of the Adriatic Sea, the Ionian Sea is now seen as a separate body of water.

The process of subduction produces a _________ in sea.

  1. Fold

  2. Valley

  3. Trench

  4. None of these


Correct Option: C
Explanation:

The process of subduction produces a trench in sea.
The process by which ocean floor sinks beneath a deep-ocean trench and back into the mantle is called subduction (sub duk shun). As subduction occurs, crust closer to a mid-ocean ridge moves away from the ridge and toward a deep-ocean trench. Sea-floor spreading and subduction work together.

Towards north, Asia is bounded by seas ______________.

  1. Kara Sea

  2. East Siberian Sea

  3. Laptev Sea

  4. None of these


Correct Option: D
Explanation:

In general terms, Asia is bounded on the east by the Pacific Ocean, on the south by the Indian Ocean, and on the north by the Arctic Ocean. As no seas are bounded in asia.

Salinity of Black sea is _____.

  1. 17%

  2. 18%

  3. 19%

  4. None of these


Correct Option: A
Explanation:

The upper flow leaves the Black Sea and carries surface water out of it. Meanwhile a bottom flow carries salt water, about 35‰ from the Mediterranean to the Black Sea. The salty water mixes with the waters of the basin proper and that results in a comparatively low salinity at the surface, about 17%.

Bay of Cambay is situated in ___________.

  1. Atlantic Ocean

  2. Pacific Ocean

  3. Arabian Sea

  4. None of these


Correct Option: C

Valaparaiso' is the seaport of _________.

  1. China

  2. Chile

  3. Iran

  4. Iraq


Correct Option: B
Explanation:

Valparaíso is located about 120 kilometres (75 mi) northwest of Santiago by road and is one of the South Pacific's most important seaports. Valparaíso is the capital of Chile's second most populated administrative region and has been the headquarters for the Chilean National Congress since 1990.

The lines which join the points of same salinity in ocean are called ____________.

  1. Isobars

  2. Isohytes

  3. Isohalines

  4. None of these


Correct Option: C
Explanation:

The prefix 'iso' is a greek word meaning equal, so an isoline must be a line joining equal points. For example, a line drawn on a map to join up all the places that are the same height above sea level is called a contour.

Which sea was the main trade route of Muslim world with eastern Africa, Persia and Asia?

  1. Black Sea

  2. Red Sea

  3. Arabian Sea

  4. South China Sea


Correct Option: B
Explanation:

Red sea was the main trade route of Muslim world with eastern Africa, Persia and Asia.
The Periplus also describes how Hippalus first discovered the direct route from the Red Sea to India. The Red Sea was favored for Roman trade with India starting with the reign of Augustus, when the Roman Empire gained control over the Mediterranean, Egypt, and the northern Red Sea.

Ozone layer depletion is due to ________.

  1. air pollution

  2. water pollution

  3. soil pollution

  4. none of these


Correct Option: A
Explanation:

The ozone layer plays a important role in protecting humans and other living organisms from the harmful UV rays of the sun. The ozone layer is present in the stratosphere, and is now depleted due to air pollution which leads to global warming.

Lead poisoning results in bronchitis and lack of appetite in ______.

  1. Humans

  2. Pet animals

  3. Both a and b

  4. None of these


Correct Option: C
Explanation:

Lead particulates (from automobile exhausts) cause lead poisoning result­ing in convulsions, delirium, coma and even death in Humans.

When the animals feed upon the particulate coated plants (especially with Fluo­rine, Lead, Arsenic) they get affected with Arsenic poisoning (cattle and sheep) and Arsenic poisoning (cattle). Lead poisoning results in bronchitis and lack of appetite in pet animals.