A solid understanding of environmental concepts and climate-related issues is essential for candidates preparing for OSSSC RI,ARI, Amin, SFS, ICDS Supervisor exams. Regular practice with these multiple-choice questions will not only enhance your knowledge but also improve your chances of scoring well in the examination. Good luck with your preparation!
Top 30 Environment and Climate MCQs for OSSSC RI,ARI, Amin, SFS, ICDS Supervisor Exams
Environmental awareness and climate-related knowledge are crucial for candidates appearing in exams such as OSSSC RI,ARI, Amin, SFS, ICDS Supervisor. Here are the top 30 multiple-choice questions with answers to help you prepare for these exams at a moderate difficulty level:
- What type of rainfall is prevalent in most parts of India?
A. Cyclonic
B. Convectional
C. Elusive
D. Orographic
Answer: B
Explanation: Most of India’s rainfall is convectional. Convectional rainfall occurs when warm air rises, expands, and cools, leading to condensation and precipitation, commonly seen in equatorial regions.
2. Which weather phenomenon is rainfall in India not associated with?
A. Orography
B. Convection
C. Cyclones
D. Anticyclones
Answer: D
Explanation: Rainfall in India is not associated with anticyclones, which are high-pressure systems where winds move outward.
3. Which part of India receives rainfall from both the South-West and North-West monsoons?
A. Tamil Nadu
B. Odisha
C. Lakshadweep Islands
D. Andaman and Nicobar Islands
Answer: D
Explanation: Andaman and Nicobar Islands receive rainfall from both the South-West and North-West monsoons, as they are located in a region influenced by both monsoon systems.
4. Which type of rainfall occurs mainly in the afternoon in equatorial regions?
A. Cyclonic
B. Convectional
C. Orographic
D. Frontal
Answer: B
Explanation: Convectional rainfall occurs mainly in the afternoon in equatorial regions when warm air rises, cools, and condenses into precipitation.
5. What causes the formation of cumulus or cumulonimbus clouds associated with convectional rainfall?
A. Warm air sinking
B. Cold air rising
C. Warm air rising
D. Stable atmospheric conditions
Answer: C
Explanation: Cumulus or cumulonimbus clouds form due to warm air rising and expanding, leading to convectional rainfall.
6. In which direction do winds move in an anticyclone in the Northern Hemisphere?
A. Clockwise
B. Counterclockwise
C. No specific direction
D. Variable direction
Answer: A
Explanation: In the Northern Hemisphere, winds move clockwise around an anticyclone, which is a high-pressure system.
7. Which region of India is primarily affected by orographic rainfall?
A. Coastal areas
B. Desert regions
C. Hilly and mountainous areas
D. Plains
Answer: C
Explanation: Orographic rainfall occurs when moist air is forced to rise over hilly or mountainous terrain, leading to precipitation on the windward side.
8. What type of rainfall is associated with cyclones in India?
A. Orographic
B. Convectional
C. Cyclonic
D. Frontal
Answer: C
Explanation: Cyclonic rainfall occurs when moist air converges and rises around a low-pressure system, leading to precipitation.
9. Which factor is NOT a criterion for determining physical fitness in candidates for Indian Army recruitment?
A. Normal hearing
B. Binocular vision
C. Color vision: CP-III or better
D. Ability to lift heavy weights
Answer: D
Explanation: Physical fitness criteria for Indian Army recruitment include normal hearing, binocular vision, and specific color vision standards, but not the ability to lift heavy weights.
10. What is the minimum expansion required for chest measurement in candidates for Indian Army recruitment?
A. 3 cm
B. 4 cm
C. 5 cm
D. 6 cm
Answer: C
Explanation: Candidates for Indian Army recruitment are required to have a well-developed chest with a minimum expansion of 5 cm.
11. Which of the following characteristics are associated with the dry monsoon forest of India?
A. Annual rainfall is below 50 cm
B. The trees are short-rooted
C. Thorny shrubs and grassland
D. Mango, Mahua, Sisam, and Keeker are the prominent trees.
Answer: C
Explanation: The dry monsoon forest of India is characterized by thorny shrubs, grasslands, and prominent trees like mango, mahua, sisam, and keeker.
12. The Paddy fields of India are located in the areas of annual rainfall:
A. 120 cm
B. 140 cm
C. 100 cm
D. 80 cmAnswer: C
Explanation: Paddy fields in India are typically found in areas with annual rainfall of around 100 cm.
13. Which region gets the first monsoon in summer?
A. Himalayas
B. Western Ghats
C. Eastern Ghats
D. Gangetic Plain
Answer: B
Explanation: The Western Ghats receive the first monsoon in summer as the wet monsoon winds approach the west coast of India.
14. The northeastern hills that block the South-West Monsoon winds and cause heavy rains in Assam are:
A. Arakan Yoma and Pegu Yoma
B. Garo, Khasi, and Jaintia hills
C. Barail and Patkai hills
D. Khasi and Pegu Yoma
Answer: B
Explanation: Garo, Khasi, and Jaintia hills block the South-West Monsoon winds, causing heavy rains in Assam.
15. Which of the following factors influence the location of paddy fields in India?
A. Temperature
B. Soil fertility
C. Annual rainfall
D. All of the above
Answer: D
Explanation: The location of paddy fields in India is influenced by factors like temperature, soil fertility, and annual rainfall.
16. Which Indian state is known for its extensive cultivation of paddy?
A. Punjab
B. Uttar Pradesh
C. Kerala
D. Rajasthan
Answer: C
Explanation: Kerala is known for its extensive cultivation of paddy due to its suitable climatic conditions.
17. What is the primary factor contributing to the heavy rainfall in Assam?
A. Western disturbances
B. South-West Monsoon winds
C. Cyclonic storms
D. Orographic rainfall
Answer: D
Explanation: Orographic rainfall, caused by the northeastern hills, is the primary factor contributing to heavy rainfall in Assam.
18. Which type of forests are commonly found in regions with a long dry season followed by heavy rainfall?
A. Tropical rainforests
B. Coniferous forests
C. Dry deciduous forests
D. Mangrove forests
Answer: C
Explanation: Dry deciduous forests are commonly found in regions with a long dry season followed by heavy rainfall, such as the monsoon regions of India.
19. The South-West Monsoon in India is characterized by:
A. Dry weather conditions
B. Onset in June and withdrawal in September
C. Maximum rainfall in the eastern coastal areas
D. Originating from the Arabian Sea
Answer: B
Explanation: The South-West Monsoon in India typically begins in June and withdraws in September.
20. Which region of India receives the highest annual rainfall?
A. Western Rajasthan
B. Western Ghats
C. Indo-Gangetic Plain
D. Eastern Himalayas
Answer: B
Explanation: The Western Ghats region of India receives the highest annual rainfall due to orographic lifting of moist air from the Arabian Sea.
21. The average annual temperature of a meteorological station is 26°C, its average annual rainfall is 63 cm, and the annual range of temperature is 9°C. The station in question is ________
A. Allahabad
B. Chennai
C. Cherapunji
D. KolkataAnswer: B
Explanation: The characteristics mentioned are consistent with Chennai, which has a relatively moderate average annual temperature, significant rainfall, and a moderate annual temperature range.
22. The reason for Rajasthan being deficient in rainfall is ________
A. The monsoon fails to reach this area
B. It is too hot
C. There is no water available, and thus the winds remain dry
D. The winds do not come across any barrier to cause necessary uplift to be cooled Answer: D
Explanation: Rajasthan’s deficiency in rainfall is primarily due to the absence of barriers to cause necessary uplift for cooling of the winds, resulting in scanty rainfall.
23. The extreme of temperature between summer and winter is quite low in the southern part of peninsular India mainly because ________
A. The adjoining oceans moderate the temperature
B. The sky is generally cloudy
C. The sun’s rays are almost vertical throughout the year
D. Strong winds flow throughout the yearAnswer: A
Explanation: The moderation of temperature extremes in the southern part of peninsular India is primarily due to the influence of the adjoining oceans, which moderate temperature variations.
24. Which region of India receives the highest annual rainfall?
A. Western Rajasthan
B. Western Ghats
C. Indo-Gangetic Plain
D. Eastern HimalayasAnswer: B
Explanation: The Western Ghats region of India receives the highest annual rainfall due to orographic lifting of moist air from the Arabian Sea.
25. The region of India where the summer monsoon arrives first is:
A. Kerala
B. Tamil Nadu
C. Gujarat
D. AssamAnswer: A
Explanation: Kerala is the first region in India to receive the summer monsoon.
26. The term “break in monsoon” refers to:
A. A period of heavy rainfall during the monsoon season
B. The cessation of rainfall during the monsoon season
C. A sudden change in wind direction during the monsoon season
D. The onset of the monsoon seasonAnswer: B
Explanation: “Break in monsoon” refers to the temporary cessation or reduction of rainfall during the monsoon season.
27. Which Indian state receives the least amount of rainfall during the monsoon season?
A. Kerala
B. Rajasthan
C. Assam
D. OdishaAnswer: B
Explanation: Rajasthan receives the least amount of rainfall during the monsoon season due to its arid climate.
28. The phenomenon of “retreating monsoon” refers to:
A. The onset of the monsoon season
B. The withdrawal of the monsoon from the Indian subcontinent
C. A period of heavy rainfall during the monsoon season
D. The reversal of wind direction during the monsoon seasonAnswer: B
Explanation: “Retreating monsoon” refers to the withdrawal of the monsoon from the Indian subcontinent, typically occurring in the autumn months.
29. Which of the following factors does NOT influence the distribution of rainfall in India?
A. Topography
B. Ocean currents
C. Altitude
D. LatitudeAnswer: D
Explanation: While latitude plays a role in determining climate, it is not a significant factor in influencing the distribution of rainfall in India.
30. The term “monsoon” is derived from the Arabic word:
A. Mausim
B. Monsun
C. Monsoon
D. MoussonAnswer: A
Explanation: The term “monsoon” is derived from the Arabic word “mausim,” meaning season.
