Rajasthan Board RBSE Solutions for Class 7 Our Rajasthan Chapter 3 Agriculture and Irrigation Textbook Exercise Questions and Answers.
The questions presented in the RBSE Solutions for Class 7 Our Rajasthan are solved in a detailed manner. Get the accurate RBSE Solutions for Class 7 all subjects will help students to have a deeper understanding of the concepts.
I. Write the correct option of the following questions in the given bracket
1. Identify the group of Rabi crops:
(a) Pearl millet, mustard, rice
(b) Com, wheat, cluster bean
(c) Groundnut, sesame, cotton
(d) Wheat, chickpea gram, mustard
Answer:
(d) Wheat, chickpea gram, mustard
2. The best method of irrigation for water conservation is:
(a) Through canals
(b) Through open drains
(c) Open well
(d) Through fountain and Drip irrigation
Answer:
(c) Open well
II. Fill in the blanks
1. There are 1............ 2............. 3 ............. crops in Rajasthan.
2. Asia’s largest agricultural farm is situated in.............. Rajasthan.
Answer:
1. Rabi, Kharif, Zaid
2. Suratgarh in Shri Ganganagar.
III. Very Short Answer Type Questions
Question 1.
What are the different sources of irrigation in Rajasthan?
Answer:
The main sources of irrigation in the state are wells, tube wells, canals, ponds etc.
Question 2.
Write the names of the districts producing pearl millet 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 the food crops? Explain by giving an example.
Answer:
Food Crops: Crops grown for food are called food crops. For example—Wheat, Barley, Sorghum, Maize, Rice pulses etc.
Major crops grown in Rajasthan are as follows:
1. Wheat: This is a rabi crop. It is generally grown in the winter season. The main wheat producing districts of Rajasthan are Sri Ganganagar, Hanumangarh, Kota, Bar an, Bharatpur etc.
2. Barley (jau) and sorghum (jawar): These are crops of dry and humid climate. Barley is produced in Jaipur, Sri Ganganagar, Sikar, Alwar, Bhilwada, Ajmer, Jhunjhunu and Nagaur districts. Sorghum is produced in Ajmer, Pali, Bhilwara, Bharatpur, Jaipur districts.
3. Maize/Corn (Makka): Maize is main food of Rajasthan. The main corn producing districts of Rajasthan are Bhilwara, Udaipur, Banswara, Rajsamand etc.
4. Pearl Millet (Bajra): Alwar, Jaipur, Sikar, Nagaur, Jodhpur districts are the leading producers of pearl millet in Rajasthan.
5. Chick pea gram (Chana): It is produced in Bikaner, Jaisalmer, Ajmer, Jaipur, Pah districts.
Question 2.
What do you understand by pulses and oilseeds?
Answer:
Pulses: The crop products from which pulses are obtained are called pulse crops e.g. green gram, chickpea, dew gram etc.
Oilseeds: The crops from which oil is extracted are called oilseeds crops e.g. groundnut, mustard sesame etc.
Multiple Choice Questions
1. Which of the following is required by each crop:
(a) Definite temperature
(b) Amount of water
(c) Soil and climate
(d) All of the above
Answer:
(d) All of the above
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
3. Which of the following is the Kharif crop?
(a) Wheat
(b) Pearl millet
(c) Muskmelon
(d) Watermelon
Answer:
(b) Pearl millet
4. Which of the following is the commercial crop?
(a) Maize
(b) Rice
(c) Cotton
(d) Barley
Answer:
(c) Cotton
Fill in the blanks
1. Majority of the people in villages do farming. They are called.............. .
2. Many times Rajasthan experiences .......... due to less rain.
3. Rajasthan is the ...................... leading producer of pearl millet in India.
4. Rajasthan is the highest producer of .................... in India.
Answer:
1. farmers/peasants,
2. famine,
3. first
4. mustard.
Very Short Answer Type Questions
Question 1.
Define agriculture.
Answer:
Agriculture s The growing of crops and obtaining food grains and other products is called agriculture. Agriculture is a basic occupation in Rajasthan.
Question 2.
What do you understand by commercial crop?
Answer:
The crops which are grown for sale in the market are called cash crops e.g., sugarcane cotton.
Question 3.
What is the special contribution of Rajasthan’s Sri Ganganagar district to agriculture?
Answer:
Asia’s largest agricultural farm is situated in Suratgarh in Shri Ganganagar district of Rajasthan.
Short Answer Type Questions
Question 1.
List the major crops of Rajasthan based on weather.
Answer:
Crops Based on Weather
Rabi |
Kharif |
Zaid |
Wheat, Mustard (Sarso) beat, chickpea (Chana) Barley(Jau) etc. |
Pearl millet (bajra), Maize (makka), green gram (moong), dew gram (moth), sesame (til), sorghum (j awar) groundnut, cotton, sugarcane etc. |
Fruits, muskmelon, watermelon, vegetables, cucumber etc |
Sowing: October-November |
Sowing: July |
Sowing: April |
Harvesting: March-April |
Harvesting: October- November |
Harvesting: June |
Question 2.
Classify the gross irrigated land in Rajasthan according to the means of irrigation.
Answer:
The division of the total irrigated land in Rajasthan according to the means of irrigation (During 2016-2017).
Question 3.
What do you know about waterman Rajendra Singh?
Answer:
Rajendra Singh, who is renowned by the name of WATERMAN, was born oh 6th August, 1956 at village Daula in Bagpat district in Uttar Pradesh. He is India’s famous environmental activist. He is famous in the field of water conservation. It was only one and a half years after their marriage in 1981, that they left the job, sold all the household goods and took a total of twenty-three thousand rupees capital and came into their workplace. He was determined to find a total solution to the water problem. Therefore, he created an organization called Tarun Bharat Sangh’ which was given the shape of an NGO. With his untiring efforts, Rajendra Singh worked to get a state like Rajasthan out of the water crisis. He won the Stockholm Water Prize in 2015, which is the Nobel Prize for water. Additionally, he was honored by Raman Magsaysay award in 2011. His biography has also been written on the journey of Rajendra Singh by the name of ‘Johad’.
Long Answer Type Questions
Question 1.
Underline the major crops in Rajasthan and their growing districts.
Answer:
Major crops are grown in Rajasthan and the Districts that produce them are :
Besides the above crops, chickpea, green gram (moong), dew gram (moth), black gram (urad), pigeon peas (arhar) pulse crop are also produced in the state. The major crops, rice, cotton, Psyllium husk, (isabgol) mustard seed (Rai), flaxseed, sugarcane etc. are also cultivated in Rajasthan. Rajasthan is the top producer of psyllium husk, mustard, cluster bean (gawar), dew gram and cumin (jeera) in the country. Asia’s largest agricultural farm is situated in Suratgarh in Shri Ganganagar district of Rajasthan.
Question 2.
Suggest the ways to save water by mentioning the means/sources of irrigation. -
Answer:
Sources of Irrigation: Water is required for the cultivation of any crop. 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 is used for irrigation in the districts of Jaipur, Bharatpur, Alwar, Dausa, Dhaulpur, Karauli, Sawai Madhopur, Ajmer etc. Canal irrigation is used through the Indira Gandhi canal in the districts of Sri Ganganagar, Hanumangarh, Bikaner and Jaisalmer in Rajasthan. Canal irrigation is also used in districts Bhilwara, Bundi, Kota, Alwar, Tonk, Chittorgarh, Banswara, Dungarpur, Udaipur, Ajmer, Jodhpur, Pah, Jalore.
Save Water: The excessive use of groundwater has resulted in the lowering of the water level. There is a need for conservation of rain water and revival of natural water resources. Water of tube well and well can be saved if fountain method or the drip method of irrigation is used. If drains and canals are paved then we can also save water.
Let’s Practice
Question.
Each student of the class should name a crop and classify it into food grains, oilseeds, pulses crops. Examples of fertilizers made from each crop should also be mentioned.
Answer:
Crop |
Classification |
Food |
1. Wheat |
Food grains |
Chapati, Bread, Oatmeal |
2. Mustard |
Oilseeds |
Paratha, Pakori |
3. Rice |
Food grains |
Khichdi, Sweet Rice |
4. Chickpea (Chana) |
Pulses |
Dhokla, Gatte ki Sabji |
5. Barley (Jau) |
Food grains |
Chapati, Sattu |
6. Pearl Millet (Bajra) |
Food grains |
Chapati, Khichdi |
7. Maize |
Food grains |
Chapati, Popcorn, Corn flakes |
8. Green gram (moong) |
Pulses |
Pulse (Dal) Khichdi, Papad |
9. Dew gram (moth) |
Pulses |
Pulse (Dal) |
10. Sesame (Til) |
Oilseeds |
Fry |
11. Sorghum (Jawar) |
Food grains |
Chapati |
12. Groundnut |
Oilseeds |
Fry Butter |
13. Mustard seed (Rai) |
Oilseeds |
Fry |
14. Flax seed |
Oilseeds |
Fry |
15. Urad |
Pulses |
Pulse (Dal), Pakari, Dahi-Bada |
16. Lentil (Masoor) |
Pulses |
Pulse (Dal), Papad |
17. Soyabean |
Oilseeds |
Fry, Soyabean Chunks |
18. Peas |
Pulse |
Pulse (Dal), Vegetable |
19. Arhar |
Pulses |
Pulse (Dal) |
20. Mahua |
Oilseeds |
Fry, oil |