Tag: circulation of ocean water

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Questions Related to circulation of ocean water

Multiple choice geography ocean and man circulation of ocean water movements of ocean and sea water oceans : temperature, salinity and density study of water pollution threats to water resource pollution and environment

Which is most abundant element in sea water?

  1. Sodium

  2. Chlorine

  3. Iodine

  4. Potassium
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The most abundant dissolved ions in seawater are sodium, chloride, magnesium, sulfate and calcium. Its osmolarity is about 1000 mOsm/l.

Multiple choice geography ocean tsunami and floods movements of ocean and sea water oceanic circulations circulation of ocean water

Tides in the ocean will be highest when __________________.

  1. it is full Moon

  2. Moon is eclipsed

  3. Moon and Sun are pulling at right angles to the Earth

  4. Moon is in new phase
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Tides are highest (spring tides) during the new moon and full moon phases, when the gravitational pull of the sun and moon are aligned.

Multiple choice geography ocean tsunami and floods movements of ocean and sea water oceanic circulations circulation of ocean water

Which of the following statements about the ocean currents is not correct?

  1. Currents are rivers in the sea

  2. The water moves forward and the currents are felt at the depth as well

  3. They are caused by the unequal temperature of equatorial and polar regions

  4. Generally there is scanty rainfall over the coastal areas where the warm currents flow
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Warm currents generally increase humidity and rainfall in coastal areas, not decrease it. Cold currents are typically associated with dry conditions.

Multiple choice geography water bodies movements of ocean and sea water oceanic circulations circulation of ocean water study of water pollution threats to water resource pollution and environment

Red Sea is located in Indian Ocean. What is its total area?

  1. 438,000 sq. km

  2. 218,000 sq. km

  3. 348,000 sq. km

  4. 638,000 sq. km
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation
438,000 km²
The Red Sea has a surface area of roughly 438,000 km2 (169,100 mi2), is about 2250 km (1398 mi) long and, at its widest point, 355 km (220.6 mi) wide.
Multiple choice geography tides movements of ocean and sea water circulation of ocean water ocean water movement

Scheme implemented under the Ganga Action Plan is ________________.

  1. Waste water treatment

  2. Electric crematorium

  3. River front development

  4. All of these
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The Ganga action plan was, launched by Shri Rajeev Gandhi, the Prime Minister on 14 Jan. 1986 with the main objective of pollution abatement, to improve the water quality by interception, diversion and treatment of domestic sewage and present toxic and industrial chemical wastes from identified grossly polluting units entering into the river.


Hence, the correct option is $\text{D}$

Multiple choice geography tides movements of ocean and sea water circulation of ocean water ocean water movement

The term "Bore" signifies _____________.

  1. To drill a well

  2. a wave caused by tides

  3. a wave cause by air

  4. To extract water from earth
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A tidal bore, often simply given as bore in context, is a tidal phenomenon in which the leading edge of the incoming tide forms a wave (or waves) of water that travels up a river or narrow bay against the direction of the river or bay's current.

Multiple choice geography tides movements of ocean and sea water circulation of ocean water ocean water movement

The spring tide occurs when the moon, the sun and the earth make in angle of _______.

  1. $180^o$
  2. $90^o$
  3. $45^o$
  4. $33^o$
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The spring tide occurs when the moon, the sun and the earth make in angle of $180^0$.

They occur when the Earth, the Sun, and the Moon are in a line. The gravitational forces of the Moon and the Sun both contribute to the tides. Spring tides occur during the full moon and the new moon. During the moon's quarter phases the sun and moon work at right angles, causing the bulges to cancel each other.

Multiple choice geography tides movements of ocean and sea water circulation of ocean water ocean water movement

Neap tides are produced in the first and third quarters of the moon. Then _______.

  1. Moon and the Sun are in conjunction with the other planets

  2. Moon and the Sun are in opposition with each other

  3. The attractions of the Sun and the Moon are at right angles to each other

  4. The Moon and Sun are in quadrant position to each other
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Neap tides are produced in the first and third quarters of the moon. Then the attractions of the Sun and the Moon are at right angles to each other.

Neap Tides
During the moon's quarter phases the sun and moon work at right angles, causing the bulges to cancel each other. The result is a smaller difference between high and low tides and is known as a neap tide. Neap tides are weak tides.

Multiple choice geography tides movements of ocean and sea water circulation of ocean water ocean water movement

The difference between high tide and low tide is __________.

  1. Tidal range

  2. Tidal width

  3. Tidal height

  4. None of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

  • Tides are the rise and fall of sea level caused by the combined effects of gravitational forces exerted by sun, moon and earth.
  • Tidal range is the vertical difference between high tide and its succeeding low tide.