Start by reviewing these Hamara Rajasthan Book Class 7 Solutions and Class 7 Hamara Rajasthan Chapter 3 Question Answer Agriculture and Irrigation to strengthen your knowledge.
Class 7 Our Rajasthan Chapter 3 Question Answer Agriculture and Irrigation
Our Rajasthan Class 7 Chapter 3 Agriculture and Irrigation Question Answer
I. Write the correct option of the following questions in the given bracket –
Question 1.
Identify the group of Rabi crops:
(a) Pearl millet, mustard, rice
(b) Maize, wheat, cluster bean
(c) Groundnut, sesame, cotton
(d) Wheat, chickpea, gram, mustard
Answer:
(d) Wheat, chickpea, gram, mustard
Question 2.
The best method of irrigation for water conservation is:
(a) through canals
(b) through open drains
(c) through drip irrigation and sprinklers
(d) through ponds
Answer:
(c) through drip irrigation and sprinklers
II. Fill in the blanks-
1. There are 1. ………………. 2. …………………. 3. …………………… crops in Rajasthan.
Answer:
Rabi, Kharif, Zaid
2. Asia’s largest agricultural farm is situated in ……………….. Rajasthan.
Answer:
Suratgarh in Shri Ganganagar.
III. Very Short Answer Type Questions-
Question 1.
What are the means of irrigation in Rajasthan?
Answer:
The mean of irrigation in the state are wells, tube wells, canals, ponds, etc.
Question 2.
Write the names of pearl millet-producing districts in Rajasthan.
Answer:
Alwar, Jaipur, Sikar, Nagaur, Jodhpur districts are the leading producers of pearl millet in Rajasthan.
IV. Short Answer Type Questions-
Question 1.
What are food crops? Explain with examples.
Answer:
Food Crops: Crops whose products are used for food are called food crops. For example, Wheat, Barley, Sorghum, Maize, Rice, Pulses, etc.
Question 2.
What do you understand by pulse crops and oilseed crops?
Answer:
- Pulse Crops: The crop products from which pulses are obtained are called pulse crops e.g., green gram, chickpea, dew gram, etc.
- Oilseed Crops: The crops from which oil is extracted are called oilseed crops e.g., groundnut, mustard, sesame, etc.
Agriculture and Irrigation Class 7 Question Answer
Multiple Choice Questions-
Question 1.
Which of the following is required by each crop:
(a) Certain temperature
(b) Amount of water
(c) Soil and climate
(d) All of the above
Answer:
(d) All of the above
Question 2.
When is the Rabi crop sown (in Rajasthan)?
(a) October, November
(b) March, April
(c) June, July
(d) September, October
Answer:
(a) October, November
Question 3.
Which of the following is the kharif crop?
(a) Wheat
(b) Pearl millet
(c) Muskmelon
(d) Watermelon
Answer:
(b) Pearl millet
Question 4.
Which of the following is the commercial crop?
(a) Maize
(b) Rice
(c) Cotton
(d) Barley
Answer:
(c) Cotton
Question 5.
Which of the following is Zaid Crop?
(a) Wheat
(b) Pearl
(c) Sugarcane
(d) Muskmelon
Answer:
(d) Muskmelon
Question 6.
Which of the following crops comes under pulses?
(a) Groundnut
(b) Green gram
(c) Sesame
(d) Mustard
Answer:
(b) Green gram
Question 7.
Which of the following crop is food crop?
(a) Cotton
(b) Sugarcane
(c) Maize
(d) Oilseed
Answer:
(c) Maize
Question 8.
Maize is staple food of which region of Rajasthan?
(a) Matsya region
(b) Mewar region
(c) Marwar region
(d) Hadauti region
Answer:
(b) Mewar region
Question 9.
The largest mustard-producing state in the country is-
(a) Uttar Pradesh
(b) Punjab
(c) Haryana
(d) Rajasthan
Answer:
(d) Rajasthan
Question 10.
India’s famous environmental activist, Rajendra Singh, was honoured with which award?
(a) Nobel Peace Prize
(b) Bharat Ratna
(c) PadmaVibhushan
(d) Raman Magsaysay
Answer:
(d) Raman Magsaysay
Fill in the blanks-
1. Different crops are sown according to the ……………………….. .
Answer:
season
2. In Rajasthan, ………………….. often occur due to lack of rainfall.
Answer:
famine
3. Rajasthan ranks …………………… in India in pearl millet production.
Answer:
first
4. ……………………. is known for his work in the field of water conservation and water
management.
Answer:
Rajendra Singh
5. ……………………. provides raw materials for industries.
Answer:
Agriculture
6. The most commonly used source of irrigation in Rajasthan is ……………… .
Answer:
tube well.
Match the Column-
| Column ‘A’ | Column ‘B’ |
| 1. Asia’s largest agricultural farm | (a) Sugarcane |
| 2. Rabi crop | (b) Groundnut |
| 3. Commercial crop | (c) Beetroot |
| 4. Kharif crop | (d) Sri Ganganagar |
Answer:
| Column ‘A’ | Column ‘B’ |
| 1. Asia’s largest agricultural farm | (d) Sri Ganganagar |
| 2. Rabi crop | (c) Beetroot |
| 3. Commercial crop | (a) Sugarcane |
| 4. Kharif crop | (b) Groundnut |
Very Short Answer Type Questions-
Question 1.
Define agriculture.
Answer:
Agriculture: The growing of crops and obtaining food grains and other products is called agriculture. It is a primary occupation.
Question 2.
What do you understand by commercial crop?
Answer:
The crops which are grown for sale in the market are called commercial crops, e.g., sugarcane, cotton.
Question 3.
Who is the famous enviro¬nmental activist of India known as ‘waterman’?
Answer:
Rajendra Singh.
Question 4.
Mention the climatic conditions for the cultivation of pearl millet.
Answer:
This is cultivated in fertile sandy soil with less rainfall and high temperature.
Question 5.
In which districts of Rajasthan is canal irrigation done through Indira Gandhi Canal?
Answer:
Sri Ganganagar, Hanumangarh, Bikaner, Phalodi and Jaisalmer.
Question 6.
When are Kharif crops sown and harvested?
Answer:
Kharif crops are sown in June- July and harvested in October-November.
Question 7.
Which pulses are produced in Rajasthan?
Answer:
Pulses like black gram, green gram, chickpea, pigeon pea are the main crops produced in Rajasthan.
Question 8.
Write the names of the major mustard-producing districts in Rajasthan.
Answer:
The major mustard-producing districts in Rajasthan are Alwar, Tonk, Bharatpur, Sri Ganganagar, Sawai Madhopur, Hanumangarh, Jaipur, Jodhpur and Baran.
Question 9.
In the production of which crops does Rajasthan rank first in the country?
Answer:
Rajasthan ranks first in the country in the production of pearl millet, psyllium husk, mustard, cluster bean, dew gram, and cumin.
Question 10.
Write the names of the major wheat-producing districts of Rajasthan.
Answer:
The major wheat-producing districts of Rajasthan are Sri Ganganagar, Hanumangarh, Kota, Baran, Bharatpur, etc.
Question 11.
Why are different crops sown according to the season?
Answer:
Each crop requires a specific temperature, amount of water, soil, and climate. Therefore, different crops are sown according to the season.
Short Answer Type Questions-I-
Question 1.
Which factors are responsible for less crop production in Rajasthan?
Answer:
Many times, Rajasthan faces famine due to lack of rainfall. Sometimes the state is flooded due to excess rain. These factors are responsible for less crop production
Question 2.
Write the importance of agriculture.
Answer:
- Agriculture is the main occupation of approximately two-thirds of the Rajasthan’s population.
- Majority of the state’s population earn their livelihood from agriculture and agricultural activities.
- Agriculture provides raw materials for industries and also increases self-reliance of the state.
Question 3.
How many types of crops are there on the basis of usage?
Answer:
There are two types of crops on the basis of their usage-
- Food Crops -The crops whose products are used for food are called food crops, such as wheat, barley, sorghum, maize, rice, pulses, etc.
- Commercial Crops-These crops are used for commercial purpose, such as cotton, sugarcane, tobacco, oilseeds, etc.
Short Answer Type Questions-II-
Question 1.
Classify crops on the basis of seasons.
Answer:
Classification of crops based on Seasons
Question 2.
Classify the gross irrigated land in Rajasthan according to the means of irrigation.
Answer:
Classification of the gross irrigated area in Rajasthan according to the means of irrigation (During 2023-2024)-
Question 3.
What do you know about Waterman Rajendra Singh?
Answer:
Waterman Rajendra Singh- Rajendra Singh, who is renowned by the name ‘Waterman’, is India’s famous environmental activist. He is famous for his work in the field of water conservation and water management.
He left his job and sold his household items to save Rajasthan from water crisis. He was honoured by Raman Magsaysay award also.
Question 4.
Write about the need for water conservation and its measures for agricultural irrigation in Rajasthan.
Answer:
Need for water conservation- The excessive use of groundwater has resulted in the lowering of the groundwater level. Therefore, rainwater harvesting and restoration of natural water sources are needed.
Measures-If irrigation from wells and tube wells were carried out using sprinklers and drip irrigation, considerable water would be saved. Furthermore, if streams and canals were made concrete, considerable water could be saved.
Essay Type Questions-
Question 1.
Describe any three major Kharif crops sown in Rajasthan and their producing districts.
Answer:
Three main Kharif crops sown in Rajasthan and their producing districts are as follows-
1. Sorghum (Jowar): It is a kharif crop of dry and semi-arid climate. Sorghum is produced in Ajmer, Pali, Bhilwara, Jaipur, Bharatpur districts.
2. Maize/Corn (Makka): Maize is a kharif crop and is the staple food of Rajasthan, specially of Mewar. The main corn-producing districts of Rajasthan are Bhilwara, Udaipur, Banswara, Chittorgarh and Rajsamand, etc.
3. Pearl Millet (Bsqra): This is a kharif crop, and the climate of Rajasthan is suitable for the cultivation of pearl millet. This is cultivated in fertile sandy soil with less rainfall and high temperature. This is the main food grain of Rajasthan. Rajasthan ranks first in India in the production of pearl millet. It is produced in Alwar, Jaipur, Sikar, Nagaur, and Jodhpur districts of Rajasthan.
Question 2.
Mention the main means of irrigation in Rajasthan.
Answer:
Means of Irrigation-Water is required for the cultivation of every type of crops. The production of crops through irrigation is called Irrigated agriculture. Different types of irrigation methods are used in different areas. The main sources of irrigation in the state are wells, tube wells, canals, ponds, etc.
The most commonly used source of irrigation in Rajasthan is tube well. This source of irrigation is used in the districts of Jaipur, Bharatpur, Alwar, Dausa, Dholpur, Karauli, Sawai Madhopur, Ajmer, etc.
Whereas the Indira Gandhi Canal provides canal irrigation to the districts of Sri Ganganagar, Hanumangarh, Bikaner, Phalodi, and Jaisalmer districts of Rajasthan.
Besides, canal irrigation is also used in districts such as Bhilwara, Bundi, Kota, Alwar, Tonk, Chittaurgarh, Banswara, Dungarpur, Udaipur, Ajmer, Jodhpur, Pali and Jalore.
Question 3.
Write a short note on main Rabi crops: Wheat, Chickpea, Mustard and Barley.
Answer:
Wheat, Chickpea, Mustard and Barley are main rabi crops. It is described as follows-
1. Wheat-It is grown in Rajasthan during the winter season. The major wheat- producing districts of Rajasthan include Sri Ganganagar, Hanumangarh, Kota, Baran, Bharatpur, etc.
2. Barley (Jau)-Its is a crop of dry and semi-arid climates. It is produced in districts of Jaipur, Sri Ganganagar, Sikar, Alwar, Bhilwara, Ajmer, Jhunjhunu, Nagaur, etc.
3. Chickpea (Chana)-It is a major pulse crop of rabi season. Chickpeas are produced in Bikaner, Jaisalmer, Ajmer, Jaipur and Pali districts.
4. Mustard (Sarso)-Rajasthan is the largest mustard-producing state in the country. The major mustard-producing districts include Alwar, Tonk, Bharatpur, Sri Ganganagar, Sawai Madhopur, Hanuman-garh, Jaipur, Jodhpur and Baran.
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