Q1. In which agro-climatic zone of Rajasthan are wheat, barley, and mustard the major crops?
Answer 1
Explanation
The Irrigated North-Western Plain Zone (IB), which includes Ganganagar and Hanumangarh, is known for Rabi crops like wheat, barley, and mustard due to canal irrigation.
Q2. Most of Rajasthan falls under which climatic zone?
Answer 1
Explanation
The western part of Rajasthan has an arid climate and the central part has a semi-arid climate, covering most of the state.
Q3. What is the rainfall occurring in Rajasthan during winter called?
Answer 3
Explanation
The rainfall occurring in winter due to Western Disturbances is called 'Mawat', which is beneficial for Rabi crops.
Q4. What is the climate of the 'Wagad' region in Rajasthan?
Answer 4
Explanation
The Wagad region (Dungarpur-Banswara) receives good rainfall, hence its climate falls under the extremely humid category.
Q5. In Rajasthan, 'Badlands' (Beehad) are found in which river basin?
Answer 3
Explanation
The Chambal river, due to its deep erosion, forms 'Badlands' (Beehad) or ravines, which are found in Kota, Sawai Madhopur, and Dholpur districts.
Q6. How does the location of the Aravalli mountain range affect the monsoon in Rajasthan?
Answer 4
Explanation
The Aravalli mountain range is situated parallel to the South-Western monsoon winds, allowing these winds to pass without obstruction, resulting in low rainfall in Western Rajasthan.
Q7. Into how many agro-climatic zones is Rajasthan divided?
Answer 3
Explanation
Rajasthan is divided into 10 major agro-climatic zones from an agricultural perspective.
Q8. According to Thornthwaite's classification, which region falls under the 'CA'w' climatic zone?
Answer 3
Explanation
In Thornthwaite's classification, 'CA'w' represents a sub-humid climate, which includes districts of Southern Rajasthan like Udaipur, Dungarpur, Banswara.
Q9. In Rajasthan, trees like 'Babul' and 'Khejri' are examples of which type of vegetation?
Answer 3
Explanation
Species like Babul and Khejri are part of desert vegetation, found in arid and semi-arid regions.
Q10. Which district of Rajasthan falls under the extremely humid climatic zone?
Answer 2
Explanation
Jhalawar is the district in Rajasthan that receives the highest rainfall and falls under the extremely humid climatic zone.
Q11. Which agro-climatic zone of Rajasthan is the largest?
Answer 2
Explanation
The Arid Western Plain Zone (IA) is the largest agro-climatic zone of Rajasthan in terms of area.
Q12. Which districts are included in the 'Semi-Arid Eastern Plain Zone' (IIIA) of Rajasthan?
Answer 4
Explanation
The Semi-Arid Eastern Plain Zone (IIIA) includes districts like Jaipur, Ajmer, Dausa, and Tonk, where the climate is semi-arid.
Q13. What type of wind is 'Loo' in Rajasthan?
Answer 2
Explanation
Loo are extremely hot and dry winds that blow during the summer season, predominantly in Western Rajasthan.
Q14. In which season is the highest diurnal temperature range found in Rajasthan?
Answer 3
Explanation
The highest difference between day and night temperatures is found in the summer season, especially in the western desert regions.
Q15. Which district in Rajasthan receives the highest rainfall?
Answer 4
Explanation
Jhalawar district records the highest average annual rainfall in Rajasthan.
Q16. In which agro-climatic zone of Rajasthan are Bajra and Guar the main crops?
Answer 1
Explanation
In the Arid Western Plain Zone (IA), due to low rainfall and sandy soil, drought-resistant crops like Bajra and Guar are prominent.
Q17. What is the average annual rainfall in Rajasthan?
Answer 1
Explanation
The average annual rainfall in Rajasthan is approximately 57.5 cm, which is significantly lower than the national average.
Q18. 'Mawat' is caused by:
Answer 2
Explanation
Mawat is rainfall that occurs in winter due to Western Disturbances originating from the Mediterranean Sea.
Q19. According to Koppen's classification, which region falls under the 'BShw' climatic zone?
Answer 3
Explanation
In Koppen's classification, 'BShw' represents a semi-arid steppe climate, which includes the western parts of Aravalli (e.g., Nagaur, Sikar, Jhunjhunu).
Q20. Which monsoon branch causes the maximum rainfall in Rajasthan?
Answer 2
Explanation
Most of the rainfall in Rajasthan occurs due to the Bay of Bengal Monsoon, which enters eastern Rajasthan.
Study notes for this topic
Read the theory first, then come back and practise the questions above.
