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NCERT Solutions for Class 8 Science Chapter 1 Crop Production and Management

Ncert solutions for class 8 science chapter 1 – free pdf download.

NCERT Solutions for Class 8 Science Chapter 1 Crop Production and Management guides you with the answers to the questions given in the textbook. Class 8 is an important phase in the student’s life as they are introduced to many new concepts that are essential to set strong basics for the topics to be taught later in Class 9. To score good marks in the Class 8 examination, students should solve the exemplar questions provided at the end of each chapter in Class 8 NCERT Books.

Download Exclusively Curated Chapter Notes for Class 8 Science Chapter – 1 Crop Production and Management

Download most important questions for class 8 science chapter – 1 crop production and management.

Solving NCERT questions will assist you in grasping the content in the chapter, Crop Production and Management, in a better way. BYJU’S presents the important extra questions at the end of each chapter according to the latest Class 8 CBSE Syllabus. These NCERT Solutions for Class 8 Science   Chapter 1 will help you in scoring good marks as they cover important concepts in different formats like MCQs and short answer questions, worksheets and more. NCERT Solutions for Class 8 Science Chapter 1 is provided here for a better understanding of the subject and scoring good marks in the annual examination.

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Access Answers to NCERT Class 8 Science Chapter 1 Crop Production and Management

Exercise Questions

1. Select the correct word from the following list and fill in the blanks.

float, water, crop, nutrients, preparation

(a) The same kind of plants grown and cultivated on a large scale at a place is called _____________.

(b) The first step before growing crops is _____________ of the soil.

(c) Damaged seeds would _____________ on top of water.

(d) For growing a crop, sufficient sunlight and _____________ and _____________ from the soil are essential.

(a) The same kind of plants grown and cultivated on a large scale at a place is called the  crop .

(b) The first step before growing crops is the  preparation of the soil.

(c) Damaged seeds would float on top of the water.

(d) For growing a crop, sufficient sunlight and water and nutrients from the soil are essential.

2. Match items in column A with those in column B.

3. Give two examples of each.

(a) Kharif crop

(b) Rabi crop

Kharif crops – Paddy and maize

Rabi crops – Wheat and pea

4. Write a paragraph in your own words on each of the following.

(a) Preparation of soil

(c) Weeding

(d) Threshing

a) Preparation of the soil is the first step in agriculture. Preparation of the soil is done to loosen the soil, which is essential for root penetration into the soil. This allows the roots to breathe easily. Loosening of the soil allows the growth of earthworms and microorganisms, which will help to keep the soil fertile by adding humus to the soil. Loosening of soil also brings nutrient-rich soil to the top layer, which is essential for the growth of plants.

b) Sowing is an important process in crop production. First, healthy seeds are selected before sowing. After selecting healthy seeds, sowing is done by either traditional methods or by using the equipment’s seed drill.

c) Removal of unnecessary plants from the field is called weeding. Weeds compete with crop plants for nutrients and water. This will reduce the yield of the desired crops. Weeds also interfere while harvesting and get mixed with crops. Some weeds are poisonous to animals and humans. Tilling is a common method that helps remove weeds before sowing crops, and manual methods like the physical removal of plants are also used to remove weeds. Weedicides are sprayed to get rid of weeds, but this method may affect the health of farmers because of the chemicals used as weedicides.

d) Process of separating the chaff from the crop is known as threshing. Threshing is carried by a machine called ‘combine’, which is a harvester as well as a thresher. Threshing is also done by winnowing, where the blow of air is used to separate the chaff from crops.

5. Explain how fertilisers are different from manure.

6. What is irrigation? Describe two methods of irrigation which conserve water.

The supply of water to crops at regular intervals is called irrigation. Methods of irrigation which conserve water are as follows:

a) Drip Irrigation: Here, the water goes drop by drop directly into the roots; this method is very useful as it conserves the water and also helps in avoiding weeds.

b) Sprinkler system: This method is in use mainly in uneven land where sufficient water is not available. The perpendicular pipes, having rotating nozzles on top, are joined to the main pipeline at regular intervals. When water is allowed to flow through the main pipe under pressure with the help of a pump, it escapes from the rotating nozzles. It gets sprinkled on the crop as if it is raining.

7. If wheat is sown in the Kharif season, what would happen? Discuss.

Wheat crops may get destroyed if sown in the Kharif season because of unfavourable temperatures, pests and adaptable conditions for the plants to grow. Kharif comes during the rainy season; hence it is not a wise idea to grow wheat in the Kharif season.

8. Explain how soil gets affected by the continuous plantation of crops in a field.

Plants require nutrients for their growth. Without optimum nutrients, plants will die. Continuous plantation of crops results in the depletion of certain nutrients like Nitrogen, Phosphorus, Potassium, etc. This results in a decrease in yield due to loss of nutrients; hence there should be a gap between crops in order to get a good yield.

9. What are weeds? How can we control them?

In a field, many other undesirable plants may grow naturally along with the crop. These undesirable plants are called weeds. Weeds can be controlled by methods called weeding. Tilling before sowing the crops helps in uprooting and killing weeds, which may then dry up and get mixed with the soil. Weeds are also controlled by using certain chemicals called weedicides.

10. Arrange the following boxes in proper order to make a flow chart of sugarcane crop production.

NCERT Solutions For Class 8 Science Chapter 1-sol-1

11. Complete the following word puzzle with the help of the clues given below.

1. Providing water to the crops.

2. Keeping crop grains for a long time under proper conditions.

5. Certain plants of the same kind are grown on a large scale.

3. A machine used for cutting the matured crop.

4. A rabi crop, which is also one of the pulses.

6. A process of separating the grain from the chaff.

NCERT Solutions For Class 8 Science Chapter 1-sol-3

Class 8 Science NCERT Solutions for Chapter 1 – Crop Production and Management

BYJU’S NCERT Solutions for Class 8 Science is developed by subject matter experts according to the latest CBSE syllabus and guidelines. Referring to these NCERT Solutions for Class 8 will help students attain a firm grip on the key concepts and topics of the subjects. Regular usage of these solutions also helps boost the confidence of the students.

The topics covered in Chapter 1 of NCERT Class 8 Science are given below:

Students can utilise the NCERT Solutions for Class 8 Science Chapter 1 for any quick references to comprehend complex topics, and also to learn the correct answers to exercise questions of the Class 8 Science NCERT Textbook.

BYJU’S is India’s largest Learning App with top-notch teachers from across the nation with excellent teaching skills. Find notes and question papers for various other subjects like Mathematics, Biology, Chemistry and many competitive exams as well. Enjoy learning with a great experience. Stay tuned to learn more about NCERT Solutions and preparation tips. To know more about NCERT Solutions , you can register with BYJU’S or download the app for simple and precise content.

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  4. NCERT Solutions for Class 8 Science Chapter 1 Crop Production

    1. Select the correct word from the following list and fill in the blanks. float, water, crop, nutrients, preparation (a) The same kind of plants grown and cultivated on a large scale at a place is called _____________. (b) The first step before growing crops is _____________ of the soil. (c) Damaged seeds would _____________ on top of water.

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    Learn CBSE Worksheets For Class 8 Science Crop Production And Management 01 July 10, 2019 by phani Worksheets For Class 8 Science Crop Production And Management 01 Worksheets For Class 8 Science Crop Production And Management 01 NCERT Solutions for maths in Video https://www.youtube.com/user/cbsepapers/videos