1. GAJWANI SCHOOLS & COLLEGES
Fertility of the soil
Q1 Write short note on channel irrigation method.
GAJWANI SCHOOLS & COLLEGES
CH 5 STD 7 SCIENCE SEM 1 WEEK 2 DAY 4

2. GAJWANI SCHOOLS & COLLEGES
Fertility of the soil
2 Write short note on drip irrigation method
GAJWANI SCHOOLS & COLLEGES
CH 5 STD 7 SCIENCE SEM 1 WEEK 2 DAY 4

3. GAJWANI SCHOOLS & COLLEGES
Fertility of the soil
Ans. This is one method of irrigation in which there is less wastage of water. A pipe is arranged in such a way that the hole of the pipe
GAJWANI SCHOOLS & COLLEGES
CH 5 STD 7 SCIENCE SEM 1 WEEK 2 DAY 4

4. GAJWANI SCHOOLS & COLLEGES
Fertility of the soil
Pipe comes near each plant in entire field . Each plant get water drop by drop through the hole of pipe.
GAJWANI SCHOOLS & COLLEGES
CH 5 STD 7 SCIENCE SEM 1 WEEK 2 DAY 4

5. GAJWANI SCHOOLS & COLLEGES
Fertility of the soil
3 Write short note on earthen pot irrigation method.
GAJWANI SCHOOLS & COLLEGES
CH 5 STD 7 SCIENCE SEM 1 WEEK 2 DAY 4

6. GAJWANI SCHOOLS & COLLEGES
Fertility of the soil
Ans. This method is used in the orchards. A pit of pot size measure is made near the plant in soil. An old earthen pot with holes
GAJWANI SCHOOLS & COLLEGES
CH 5 STD 7 SCIENCE SEM 1 WEEK 2 DAY 4

7. GAJWANI SCHOOLS & COLLEGES
Fertility of the soil
Is fixed in the pit. Pot is filled with water . A lid is kept on pot to prevent the evaporation. The pot is filled with water when
GAJWANI SCHOOLS & COLLEGES
CH 5 STD 7 SCIENCE SEM 1 WEEK 2 DAY 4

8. GAJWANI SCHOOLS & COLLEGES
Fertility of the soil
It gets empty. The roots of plant absorb water according to the need.
GAJWANI SCHOOLS & COLLEGES
CH 5 STD 7 SCIENCE SEM 1 WEEK 2 DAY 4

9. GAJWANI SCHOOLS & COLLEGES
Fertility of the soil
4 Which methods should be used to control the soil erosion.
GAJWANI SCHOOLS & COLLEGES
CH 5 STD 7 SCIENCE SEM 1 WEEK 2 DAY 4

10. GAJWANI SCHOOLS & COLLEGES
Fertility of the soil
Ans. Following should be adopted to control soil erosion. 1 Level the soil by ploughing.
GAJWANI SCHOOLS & COLLEGES
CH 5 STD 7 SCIENCE SEM 1 WEEK 2 DAY 4

11. GAJWANI SCHOOLS & COLLEGES
Fertility of the soil
2 grow trees surrounding the farm. 3 Steps in sequence should be made in sloppy land.
GAJWANI SCHOOLS & COLLEGES
CH 5 STD 7 SCIENCE SEM 1 WEEK 2 DAY 4

12. GAJWANI SCHOOLS & COLLEGES
Fertility of the soil
4 Grass should be grown at the edge of steps.
GAJWANI SCHOOLS & COLLEGES
CH 5 STD 7 SCIENCE SEM 1 WEEK 2 DAY 4

13. GAJWANI SCHOOLS & COLLEGES
Fertility of the soil
5 Give two points of difference between drip irrigation method and channel irrigation method
GAJWANI SCHOOLS & COLLEGES
CH 5 STD 7 SCIENCE SEM 1 WEEK 2 DAY 4

14. S6S1SCCH5-Identifying the plants-Day-4
Lesson PLan
Give difference between
Drip irrigation
Channel irrigation
Wastage of water does not occur.
Huge wastage of water occur.
S6S1SCCH5-Identifying the plants-Day-4
Gajwani schools and colleges
Gajwani schools and colleges

15. S6S1SCCH5-Identifying the plants-Day-4
Lesson PLan
Give difference between
Drip irrigation
Channel irrigation
It is used in arid region.
It is used in region where abundance water occur
S6S1SCCH5-Identifying the plants-Day-4
Gajwani schools and colleges
Gajwani schools and colleges

16. GAJWANI SCHOOLS & COLLEGES
Fertility of the soil
Classify the following in to chemical fertilizers and natural fertilizers. (Composite manure , urea , dung manure , oilseed cake , green manure ,
GAJWANI SCHOOLS & COLLEGES
CH 5 STD 7 SCIENCE SEM 1 WEEK 2 DAY 4

17. GAJWANI SCHOOLS & COLLEGES
Fertility of the soil
Ammonium sulphate , diammonium sulphate.
GAJWANI SCHOOLS & COLLEGES
CH 5 STD 7 SCIENCE SEM 1 WEEK 2 DAY 4