DAILY CURRENT AFFAIRS QUIZ – 6 September, 2025

Which of the following factors can lead to land subsidence?

1. Excessive groundwater extraction

2. Subsurface energy extraction

3. Seismic and volcanic activity

4. Collapse of subsurface cavities

Select the correct answer using the code below:
(a) 1 and 2 only
(b) 1, 2 and 3 only
(c) 2, 3 and 4 only
(d) 1, 2, 3 and 4

Which of the following can lead to land subsidence?

1. Excessive groundwater withdrawal.

2. Volcanic or seismic activity.

3. Collapse of subsurface cavities.

4. Compaction of loose fine-grained deposits.

Select the correct answer using the code below:

(a) 1 and 2 only
(b) 2 and 3 only
(c) 1, 2 and 3 only
(d) 1, 2, 3 and 4

Consider the following statements regarding aircraft wet leasing in India:

1. In a wet lease, the lessor provides the aircraft, crew, maintenance, and insurance (ACMI).

2. The lessee has control over commercial operations such as routes and schedules.

3. DGCA strongly encourages wet leasing for long-term fleet expansion.

Which of the statements given above is/are correct?

(a) 1 and 2 only
(b) 2 and 3 only
(c) 1 only
(d) 1, 2 and 3

Consider the following statements about the Swarnamukhi River:

1. It originates from the Nallamala Hills in Andhra Pradesh.

2. It flows into the Bay of Bengal after passing through the sacred towns of Tirumala and Srikalahasti.

3. The river is an independent east-flowing river, not connected to any major river system.

4. The Kalyani Dam across its tributary was constructed in 1977.

Which of the above statements is/are correct?

(a) 1 and 2 only

(b) 2, 3 and 4 only

(c) 1, 3 and 4 only

(d) 1, 2, 3 and 4

With reference to Diatoms, consider the following statements:

1. They are photosynthetic, single-celled organisms and form one of the most common types of phytoplankton.

2. Their cell walls are made up of transparent, opaline silica, ornamented with intricate patterns.

3. Diatoms contribute negligibly to global oxygen production.

4. They are used as bioindicators for monitoring aquatic ecosystem health.

Which of the statements given above are correct?

(a) 1, 2 and 4 only
(b) 1 and 3 only
(c) 2 and 3 only
(d) 1, 2, 3 and 4