Class 8 1. Crop Production And Management Text Book Exercise : NCERT Book Solutions
Class 8 chapter 1. Crop Production And Management important extra short questions with solution for board exams and term 1 and term 2 exams.
NCERT Solutions
All chapters of ncert books Science 1. Crop Production And Management Text Book Exercise is solved by exercise and chapterwise for class 8 with questions answers also with chapter review sections which helps the students who preparing for UPSC and other competitive exams and entrance exams.
Class 8 chapter 1. Crop Production And Management important extra short questions with solution for board exams and term 1 and term 2 exams. - 1. Crop Production And Management - Text Book Exercise : NCERT Book Solutions for class 8th. All solutions and extra or additional solved questions for 1. Crop Production And Management : Text Book Exercise Science class 8th:English Medium NCERT Book Solutions. Class 8 chapter 1. Crop Production And Management important extra short questions with solution for board exams and term 1 and term 2 exams.
1. Crop Production And Management : Text Book Exercise Science class 8th:English Medium NCERT Book Solutions
Class 8 chapter 1. Crop Production And Management important extra short questions with solution for board exams and term 1 and term 2 exams. - 1. Crop Production And Management - Text Book Exercise : NCERT Book Solutions for class 8th. All solutions and extra or additional solved questions for 1. Crop Production And Management : Text Book Exercise Science class 8th:English Medium NCERT Book Solutions.
Class 8 1. Crop Production And Management Text Book Exercise : NCERT Book Solutions
NCERT Books Subjects for class 8th Hindi Medium
1. Crop Production And Management
Class 8 chapter 1. Crop Production And Management important extra short questions with solution for board exams and term 1 and term 2 exams.
Text Book Exercise
Text Book Exercise
Ques: Explain how fertilisers are different from manure.
Ans: Fertilisers are different from manure in following manner.
|
Manure |
Fertilizer |
|
(i) It is prepared by organic substances. (ii) It is rich in all nutrients. (iii) ex. Compost Manure. |
(i) It is prepared by chemical substances. (ii) It is rich in particular nutrients. (iii) Urea, Potash and ammonium sulphate etc. |
Ques: What is irrigation? Describe two methods of irrigation which conserve water.
Ans : The supply of water to crops at different intervals is called irrigation.
There are two modern methods of irrigation which conserve water.
(i) Sprinkler system – This system is more useful on the uneven land where sufficient water is not available.
(ii) Drip system – In this system, the water falls drop by drop just at the position of the roots. So it is called drip system. It is the best technique for watering fruit plants, gardens and trees.
Ques: If wheat is sown in the kharif season, what would happen? Discuss.
Ans: In kharif season, there have a lot of rainfall. Where, wheat does not need the heavy rainfall. It will be destroyed as well as water logging.
Ques: Explain how soil gets affected by the continuous plantation of crops in a field.
Ans: Continuous plantation of crops makes the soil deficient in certain nutrient in a field. Further the crops do not grow well. To avoid this, the following practices should be done.
(i) Crop rotation.
(ii) Manuring the soil
(iii) Leaving field fallow.
Ques: What are weeds? How can we control them?
Ans : Many other undesirable plants may grow naturally along with the crop. These undesirable plants are called weeds. Weeds are harmful for crops. These take all nutrients water and light from soils which are added for crops. Weeds can be removed manually or by using weedicides. Manually there is used a Khurpi while by using weedicides we use chemical substances like 2, 4-D, which damage only weeds and do not harm to crops.
Class 8 chapter 1. Crop Production And Management important extra short questions with solution for board exams and term 1 and term 2 exams.
See other sub-topics of this chapter:
4. Additional Questions With Solutions
5. Additional Questions With Solutions
Class 8 chapter 1. Crop Production And Management important extra short questions with solution for board exams and term 1 and term 2 exams. - 1. Crop Production And Management - Text Book Exercise : NCERT Book Solutions for class 8th. All solutions and extra or additional solved questions for 1. Crop Production And Management : Text Book Exercise Science class 8th:English Medium NCERT Book Solutions. Class 8 chapter 1. Crop Production And Management important extra short questions with solution for board exams and term 1 and term 2 exams.
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Notes And NCERT Solutions
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Science Chapter List
1. Crop Production And Management
2. Microorganisms : Friend And Foe
3. Synthetic Fibres And Plastics
4. Materials : Metals And Non-Metals
5. Coal And Petroleum
6. Combustion And Flame
7. Conservation of Plants And Animals
8. Cell - Structure and functions
9. Reproduction in animals
10. Reaching the age of adolescence
11. Force And Pressure
12. Friction
13. Sound
14. Chemical Effects of Electric Current
15. Some Natural Phenomena
16. Light
17. Stars And The Solar System
18. Pollution of Air and Water
