Daily Quiz-289

Bank on GK

Ravneet Kaur

Tribune News Service

Chandigarh, Updated At : 08:30 PM Nov 24, 2025 IST

Q1. Cloud seeding is least effective in:

A. Tropical monsoon conditions

B. Desert regions with low humidity

C. Coastal regions

D. Mountainous terrain

Q2. Which of the following pairs is correctly matched?

Country	Cloud Seeding Use
China	Weather control during Olympics
UAE	Enhancing rainfall through drones
USA	Snowpack increase in Colorado

A. 1 only

B. 1 and 2

C. 1 and 3

D. 1, 2, and 3

Q3. Which of the following best describes hygroscopic seeding?

A. Using heat to evaporate moisture

B. Seeding warm clouds with salts like sodium chloride

C. Releasing CO₂ to cool air

D. Using lasers to disperse clouds

Q4. Which Indian state has launched “Project Varshadhare” for rainfall augmentation?

A. Tamil Nadu

B. Karnataka

C. Maharashtra

D. Telangana

Q5. The Environmental Impact of cloud seeding includes:

A. Toxic pollution of water bodies by silver iodide

B. Permanent changes in local climate

C. Global temperature increase

D. Ozone layer depletion

Answers Quiz-288 (Nov 23)

1. B

Explanation: Cloud seeding is a weather modification technique that stimulates rainfall by dispersing substances into clouds to encourage condensation.

2. B

Explanation: Silver iodide acts as a condensation nucleus, around which water droplets can form and grow.

3. B

Explanation: The Bergeron–Findeisen process explains how ice crystals grow at the expense of supercooled water droplets, leading to precipitation.

4. B

Explanation: States like Maharashtra, Karnataka, and Tamil Nadu have collaborated with IMD and private firms for experimental cloud seeding.

5. B

Explanation: Seedable clouds must already contain moisture and be at the correct altitude for condensation nuclei to act.

Daily Quiz-289

Bank on GK

Ravneet Kaur

Tribune News Service

Answers Quiz-288 (Nov 23)

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