topography of oceanic floor

Question 1

what are major relief features

Answer 1

1 continental shelf
2 continental slop
3 continental rise
4 depp sea plain /Abyssal Plain

Question 2

what are major relief features of ocean

Answer 2

1 canyions
2 tenhches
3 MOR
4 attols
5 coral relief
6 gyots
6 seamounts

Question 3

formation of continnetal shelf

Answer 3

land submerges

rise of sea level

sediments bought by rivers

Coral Growth: Coral reefs in tropical areas add to the shelf structure.

glaiated shels (greenland)

Tectonic Plate Movements: Formed at passive margins during continental drift and separation.

Wave and Current Erosion: Smoothens and shapes the shelf over time

Question 4

which part of inida has larger continental shelfs

Answer 4

western cost

Question 5

continental shelf are absent in which regions

Answer 5

where two plates sybmerged …fold mountains are formed

Question 6

phytoplantons are found in

Answer 6

continental shelfs

Question 7

largest continental shelfs

Answer 7

siberian shelf

Question 8

dept of the continental shelfs

Answer 8

600 feet , 100 fatom

Question 8

how much of the total petrolium production from the continental shelf

Answer 8

20%

Question 8

what is photoic zone

Answer 8

continental shelf ..as the sunlight can reach there

Question 9

angle of continental slope

Answer 9

2-5 %

Question 10

dept of continental slope

Answer 10

600-3500 feet
200-3000 meter

Question 11

canyons are present in which major feature

Answer 11

contnental slope

canyons - formed by erosion from rivers

largest canyon - colarado rivers

Question 12

what is continental rise

Answer 12

The continental rise is a gently sloping region located between the continental slope and the abyssal plain,

Question 13

what is abyssal plain

Answer 13

The abyssal plain is a vast, flat, and deep region of the ocean floor, typically found at depths of 3,000 to 6,000 meters. It is formed by the settling of fine sediments, such as clay and silt, and organic material, covering irregularities in the seafloor created by tectonic activity.

Question 14

It is formed by the settling of fine sediments, such as

Answer 14

clay and silt, and organic material,

Question 14

dept of abyssal plain

Answer 14

3000 -6000 meter

Question 15

flatest region of the world

Answer 15

abyssal plain

Question 16

what are minor oceanic relief feature

Answer 16

ridges
abyssal hills
seamount and guyots
treanches
canyons
island archs
atolls and coral relies

Question 17

where mid oceanic redges found

Answer 17

abyssal plain

Question 17

what are mid oceanic ridges

Answer 17

Mid-oceanic ridges are underwater mountain ranges formed at divergent plate boundaries due to magma rising, cooling, and creating new oceanic crust. Example: Mid-Atlantic Ridge.

Question 18

countries made of mid oceanic ridges

Answer 18

greenland
iceland

Question 19

what are ternches

Answer 19

Trenches are deep, narrow depressions in the ocean floor formed at subduction zones, where one tectonic plate is forced beneath another. They are the deepest parts of the ocean, such as the Mariana Trench.

Question 20

largest trench

Answer 20

mariana trench

Question 21

what is seamount

Answer 21

A seamount is an underwater volcanic mountain that rises from the ocean floor but does not reach the surface. Seamounts are often biodiversity hotspots and are formed by volcanic activity. Example: Emperor Seamount Chain in the Pacific Ocean.

Question 22

waht are Guyots

Answer 22

Guyots are flat-topped seamounts formed when a volcanic island erodes and subsides below sea level. The flat top is created by wave erosion when the island was above water.

Question 23

what are Volcanic Island

Answer 23

A volcanic island forms when underwater volcanic activity builds up enough lava and debris to rise above the sea level.

Example: Hawaii Islands.

Question 24

what are Atolls

Answer 24

Atolls are ring-shaped coral reefs that encircle a central lagoon, often formed around a sinking volcanic island. As the island subsides, coral continues to grow upward, maintaining the atoll structure above sea level. Example: Maldives Atolls.