Which of the following best explain why the lower course of a river is sometimes choked with sediments?
1. The valley of a river is widest in its lower course.
2. The velocity of a river in its lower course is low.
3. The delta sometimes develops in a river's lower course.
4. Much of the river water is drawn for irrigation in the lower course.
Which of the following river stages and features is/are wrongly matched?
1. Mountain stage : waterfalls
2. Plain stage : oxbow lake
3. Plain stage : delta
4. Mountain stage : deposition
Consider the following statements:
1. Temperature of surface water is comparatively higher in the northern hemisphere than in the southern hemisphere.
2. The isotherms in the southern hemisphere are not regular and do not follow the latitudes while they (isotherms) are regular and follow the latitudes in the northern hemisphere.
Which of the statement(s) given above is/are correct?
Consider the following statements:
1. On the planet Earth, the fresh water available for use amounts to about less than 1% of the total water found.
2. Of the total fresh water found on the planet Earth, 95% is bound up in polar ice caps and glaciers.
Which of the statements given above is/are correct?
Consider the following statements:
I. Suez Canal is an important link between developed countries and developing countries.
II. It joins the Mediterranean Sea with the Gulf of Suez
III. It is not a sea level canal.
Which of the statement given above is/are correct?
Consider the following statements:
1. The Benguela current had its influence in the formation of Kalahari Desert.
2. The Agulhas current has its influence in the formation of Thar Desert.
3. The currents of Northern Indian Ocean change their course of flow twice a year.
Which of the statements given above is/are correct?
Which of the following statements are true regarding distribution of world population?
I. Only 10% of the total population lives in the southern hemisphere
II. Nearly two-thirds of the total population live within 500 km of sea
III. Nearly 80% of the total population lives within 500 meters altitude above sea levels
Consider the following percentages regarding the world's water resources:
1. Oceans and lakes - 95%
2. Frozen as ice - 4%
3. For man's use - 1%
Which of the above are correct percentages?