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. Select the correct answer using the code given below: [CDS 2011]

Related MCQs

• Which of the following statements is/are correct? 1. Cyclone is a low pressure system. 2. The wind movement is clockwise in the cyclone of northern hemisphere. Select the correct answer using the code given below: [NDA 2011]
• Which of the following statements is/are correct? 1. A crossing of the International Date Line entails repeating one day when travelling westwards 2. A crossing of the International Date Line entails repeating one day when travelling eastwards 3. International Date Line is an internationally agreed line drawn parallel to the 180° meridian 4. International Date Line divides the Pacific Ocean into two equal parts. Select the correct answer using the codes given below: [CDS 1994]
• Which of the following statements is/are correct? 1. In comparison to the Jupiter, planet Earth displays eclipses more frequently 2. On Mars, only partial solar eclipses are possible Select the correct answer using the code given below: [NDA 2011]
• Which of the following statements relating to the planet Venus is/are correct? 1. It is the nearest planet from the Sun. 2. It is only slightly smaller than the Earth. 3. It has no atmosphere. Select the correct answer using the code given below: [Asstt Commdt 2011]
• Which of the following statements is/are correct? 1. The major constituent mineral of granite rock is quartz. 2. The major constituent mineral of sandstone rock is feldspar. 3. The major constituent mineral of limestone rock is dolomite. Select the correct answer using the code given below: [NDA 2011]
• What is the correct sequence of the following zonal pressure belts? 1. Subpolar low 2. Equatorial low 3. Polar high 4. Subtropical high Select the correct answer using the codes given below:
• Which of the following is/are the chief Characteristics of commercial grain farming of the middle latitude grasslands? 1. The size of farms are generally large. 2. Cultivation is highly mechanized. 3. It is a type of extensive farming. Select the correct answer using the code given below: [NDA 2011]
• Which of the following statements characterize the anticyclones? 1. Anticyclones are low pressure systems. 2. They are characterized by divergent wind circulation. 3. They are indicative of dry weather conditions. Select the correct answer using the codes given below: [NDA 2008]
• Which of the following statements is/are correct with regard to Milky Way? 1. It is a spiral galaxy. 2. The solar system resides in one of its spiral arms. Select the correct answer using the codes given below [NDA 2008]
• Which of the following countries share borders with Moldova? 1. Ukraine 2. Romania 3. Belarus Select the correct answer using the code given below: [IAS 2008]