Question 1

A very large area of sea surrounded on three sides by land is called _______.

Accepted Answer

A Gulf is a very large area of water surrounded by land on 3 sides. Bay is generally smaller than a gulf. A Lagoon is a part of a shallow body of water which is seperated naturally by a large body of water.

Question 2

Which one among the following processes is not part of a chemical weathering?

Accepted Answer

Exfoliation involves the removal of the oldest dead skin cells on the skin's outermost surface. Exfoliation is involved in all facials, during microdermabrasion or chemical peels. It is not a chemical weathering.

Question 3

If a small raindrop falls through air ______.

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Question 4

Wind in the southern hemisphere is deflected towards left

Accepted Answer

Coriolis force or Coriolis effect is responsible for wind deflection in the right or left direction. It initiates the change in the direction of winds and ocean currents to be deflected left if in the southern hemisphere and right in the northern hemisphere. It is the result of the earth's rotation. Earth is constantly spinning around its axis, from west to east.

Question 5

What is the name of the winds that blow from the subtropical high pressure belt towards the subpolar low pressure belt?

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Question 6

Chemical weathering of rocks is much greater in a place with

Accepted Answer

Chemical weathering, also known as decomposition or decay, is the breakdown of rock by chemical mechanisms. These chemical processes need water, and occur more rapidly at higher temperature, so warm, damp climates are best.

Question 7

Match List-I with List-II and select the correct answer using the code given below the Lists:
List - I
(Geographical feature) List - II
(Type of geographic process)
A. Cirque 1. Erosional of feature of wind
B. Yardang 2. Depositional feature of glacier
C. Barkhan 3. Depositional feature of wind
D. Drumlin 4. Erosional feature of glacier

Accepted Answer

Cirque - Erosional feature of glacier -  Cliff-like slopes, down which ice and glaciated debris combine and converge, form the three or more higher sides.Yardang - Erosional of feature of wind - streamlined  projection carved from bedrock or any consolidated or semiconsolidated material by the dual action of wind abrasion by dust/sand.Barkhan - Depositional feature of wind - a crescent-shaped dune.Drumlin - Depositional feature of glacier - oval or elongated hill believed to have been formed by the streamlined movement of glacial ice sheets.

Question 8

Denudation involves four processes, which take place simultaneously. On what factors are these processes dependent to sculpt a landform?
(1) Nature of relief (2) Structure of rocks
(3) Local climate (4) Interference by man

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Question 9

The surface winds spiral inwards upon the centre of the cyclone.

Accepted Answer

Air descends in the centre of the cyclone.

Question 10

What are the four agents of erosion?

Accepted Answer

AnswerWind, water, gravity, and iceExplanation :Water can erode soil material. Especially if the soil is bare, dry and erodable erosion via rain particles can occur.Wind is another factor that cause soil erosion. Dry soil particles (especially if they are fine) can move to other areas if wind exists.Ice is another issue on erosion. Ice, when it is melting, can carry soil particles.

Biological Weathering

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Weathering

Weathering (MH 9)

QUICK SUMMARY WITH STORIES

Chemical Weathering