Daily Current Affairs (MCQ's) | 31-05-2023

Q1. The raised banks of river are called

a. Flood plains

b. Yardang

c. Meander

d. Levees

Answer (d)

Explanation:

At times the river overflows its banks. This leads to the flooding of the

neighbouring areas. As it floods, it deposits layers of fine soil and other material called sediments along its banks. This leads to the formation of a flat fertile floodplain. The raised banks are called levees. As the river approaches the sea, the speed of the flowing water decreases and the river begins to break up into a number of streams called distributaries. The river becomes so slow that it begins to deposit its load. Each distributary forms its own mouth. The collection of sediments from all the mouths forms a delta.

Q2. Which of the following types of rainfall is normally seen in Hilly areas?

a. Cyclonic (frontal) rainfall

b. Convectional rainfall

c. Orographic rainfall

d. Monsoon rainfall

Answer (c)

Explanation:

Orographic precipitation, rain, snow, or other precipitation produced when moist air is lifted as it moves over a mountain range. As the air rises and cools, orographic clouds form and serve as the source of the precipitation, most of which falls upwind of the mountain ridge. Some also fall a short distance downwind of the ridge and are sometimes called spillover. On the lee side of the mountain range, rainfall is usually low, and the area is said to be in a rain shadow. Very heavy precipitation typically occurs upwind of a prominent mountain range that is oriented across a prevailing wind from a warm ocean.

Q3. Consider the following statements about the Sun

1. The Sun is in the centre of the solar system

2. The Sun is made up of extremely hot gases

3. It provides the pulling force that binds the solar system

Which of the above statements is/are correct?

a. 1 and 2 only

b. 2 and 3 only

c. 3 only

d. 1, 2 and 3

Answer (d)

Explanation:

The Sun

The sun is in the centre of the solar system. It is huge and made up of extremely hot gases. It provides the pulling force that binds the solar system. The sun is the ultimate source of heat and light for the solar system. But that tremendous heat is not felt so much by us because despite being our nearest star, it is far away from us. The sun is about 150 million km away from the earth.

Q4. Consider the following statements

1. The sun rises about two hours earlier in the east (Arunachal Pradesh) than in the west (Gujarat)

2. The local time of longitude of 82°30'E has been taken as the Indian Standard Time

Which of the above statements is/are correct?

a. 1 only

b. 2 only

c. Both 1 and 2

d. Neither 1 nor 2

Answer (c)

Explanation:

Due to great longitudinal extent of about 29°, there could be a wide

difference in local time of places located at two extreme points of India. As such, the difference between these two points would be about two hours. As you have learnt earlier, the local time changes by four minutes for every one degree of longitude. The sun rises about two hours earlier in the east (Arunachal Pradesh) than in the west (Gujarat). The local time of longitude of 82°30'E has been taken as the Indian Standard Time. This meridian or longitude is also termed as the Standard Meridian of India.

Q5. Consider the following statements about Plateaus

1. In the plateau areas, there may be several waterfalls as the river falls from a great height

2. The lava plateaus are rich in black soil that are fertile and good for cultivation

3. Plateaus lack scenic spots for tourists

Which of the above statements is/are correct?

a. 1 and 2 only

b. 2 and 3 only

c. 3 only

d. 1, 2 and 3

Answer (a)

Explanation:

In the plateau areas, there may be several waterfalls as the river falls from

a great height. In India, the Hundru falls in the Chota Nagpur plateau on the river Subarnarekha and the Jog falls in Karnataka are examples of such waterfalls. The lava plateaus are rich in black soil that are fertile and good for cultivation. Many plateaus have scenic spots and are of great attraction to tourists.

Q6. Arrange the following in North to south order

1. Labrador sea

2. Caribbean Sea

3. Gulf of Mexico

Select the correct answer from the codes given below

a. 1, 2, 3

b. 2, 1, 3

c. 1, 3, 2

d. 2, 3, 1

Answer (c)

Explanation: