Preventive and Control Measures for Crop
Preventive and Control Measures for Crop
Protection of Crops: pests are those organisms which damage crops and make them unfit for human consumption. The most common pests are insects, rats, rabbits and birds. Microbes like bacteria, fungi and viruses also cause diseases to crop plants. Some chemicals called ‘pesticides’ are sprayed on crops to destroy pests. Birds can be scared away from the filed by installing scare crows.
Which of the following statements are correct? (i) Cochineal insect is used to eliminate Opuntia. (ii) Water logging decreases the amount of salts in the soil that increases soil fertility. (iii) Fertilisers are not readily soluble in water, so they are absorbed by the plants slowly. (iv) Rust of wheat is a fungal disease. (v) The practice of growing two or more dissimilar crops in the same field one after the other is called mixed cropping. | |||
| Right Option : B | |||
| View Explanation |
Pesticides are used to destory: | |||
| Right Option : A | |||
| View Explanation | |||
Preventive and control measures adopted for the storage of grains include _______________________ | |||
| Right Option : D | |||
| View Explanation | |||
Students / Parents Reviews [10]
It was a good experience with Abhyas Academy. I even faced problems in starting but slowly and steadily overcomed. Especially reasoning classes helped me a lot.
Cheshta
10thI have spent a wonderful time in Abhyas academy. It has made my reasoning more apt, English more stronger and Maths an interesting subject for me. It has given me a habbit of self studying
Yatharthi Sharma
10thMy experience with Abhyas academy is very good. I did not think that my every subject coming here will be so strong. The main thing is that the online tests had made me learn here more things.
Hiya Gupta
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Prisha Gupta
8thAbout Abhyas metholodology the teachers are very nice and hardworking toward students.The Centre Head Mrs Anu Sethi is also a brilliant teacher.Abhyas has taught me how to overcome problems and has always taken my doubts and suppoeted me.
Shreya Shrivastava
8thAbhyas Methodology is very good. It is based on according to student and each child manages accordingly to its properly. Methodology has improved the abilities of students to shine them in future.
Manish Kumar
10thMy experience with Abhyas is very good. I have learnt many things here like vedic maths and reasoning also. Teachers here first take our doubts and then there are assignments to verify our weak points.
Shivam Rana
7thOne of the best institutes to develope a child interest in studies.Provides SST and English knowledge also unlike other institutes. Teachers are co operative and friendly online tests andPPT develope practical knowledge also.
Aman Kumar Shrivastava
10thIt has a great methodology. Students here can get analysis to their test quickly.We can learn easily through PPTs and the testing methods are good. We know that where we have to practice
Barkha Arora
10thAbhyas is a complete education Institute. Here extreme care is taken by teacher with the help of regular exam. Extra classes also conducted by the institute, if the student is weak.
