61. 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.
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.
62. The best way of conservation of water resources is
63. Farakka barrage is a major reason for contention between India and ________.
64. Suez Canal joins ________
65. 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
1. Mountain stage : waterfalls
2. Plain stage : oxbow lake
3. Plain stage : delta
4. Mountain stage : deposition
66. Which is a type of erosion caused by hydraulic action?
67. Which of the following is incorrect about rain water harvesting?
68. 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?
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?
69. 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?
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?
70. 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?
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?
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