Read and download free pdf of CBSE Class 8 Science Chapter Wise Question Bank Set E. Get printable school Assignments for Class 8 Science. Standard 8 students should practise questions and answers given here for Science in Grade 8 which will help them to strengthen their understanding of all important topics. Students should also download free pdf of Printable Worksheets for Class 8 Science prepared as per the latest books and syllabus issued by NCERT, CBSE, KVS and do problems daily to score better marks in tests and examinations
Assignment for Class 8 Science
Class 8 Science students should refer to the following printable assignment in Pdf in standard 8. This test paper with questions and answers for Grade 8 Science will be very useful for exams and help you to score good marks
Class 8 Science Assignment
1. Fill in the blanks:
1. The two main crop seasons are __________season and _________ season.
2. __________ crops are grown during the rainy season. (June to September)
3. ___________ crops are grown during the winter season.(October to March)
4. Paddy is a ___________ crop.
5. Wheat and mustard are ______________ crops.
6. _____________ is a crop that is grown in standing water.
7. _____________________ is the first step before growing a crop.
8. ___________ and ___________organisms are called the friends of farmers which help in loosening the soil and adding humus to the soil.
9. ______________ and ____________ are the tools used in ploughing or tilling.
10. Dry soil has to be ______________ before ploughing.
11. _______ and _________tool can be used simultaneously for weeding and loosening the soil.
12. A tractor driven implement used for ploughing a field is called __________
13. Soil can be replenished through methods like ______________ and ______
14. Transplantation of plantlets into the field is done in the cultivation of the crops like ______________________.
15. The practice of leaving the field uncultivated is called __________________
16. _______________ is an organic substance obtained from the decomposition of plant or animal waste.
17. _____________ provides a lot of humus to soil.
18. ________________ are the chemical substances rich in particular nutrients.
19. _________system is a type of irrigation more useful on the uneven land and sandy soil.
20. Freshly harvested grains are sundried to remove ____________________.
21. Large scale storage of grains is done in ____________, _____________and __________.
I. Name the following:
1. The plant nutrients found in fertilizers: ______________________________
2. Any three sources of irrigation : ___________________________________
3. The nitrogen fixing bacteria found in the root nodules of leguminous plants: _______
4. The method of separating the grains from the chaff: __________________
5. The type of irrigation in which wastage of water is less: ________________
6. An example of weedicide: ________________________
7. Two weeding tools : ____________________________________________
8. Any two harvest festivals of India: _________________________________
9. Any two traditional methods of irrigation: ___________________________
10. A machine used for harvesting as well as threshing: ___________________
11. The science dealing with the study of food, shelter and health care of domestic animals:
2 MICRORGANISMS : FRIEND AND FOE
I. Fill in the blanks:
1. The pathogens are ____________ causing organisms.
2. The antibiotic first discovered By Alexander Fleming is called ___________.
3. _____________mosquito acts as the carrier of malaria causing parasite.
4. The most commonly used algae as fertilizers is ___________________.
5. Yeast cells produce alcohol and carbon dioxide by the process called ________
6. ________________ is the carrier of dengue virus.
II. Name the following:
1. Two single celled micro-organisms: ________________________________
2. Two multicellular micro-organisms: ________________________________
3. Two diseases caused by virus: ____________________________________
4. Two diseases caused by protozoa: ________________________________
5. Some diseases caused by bacteria: _________________________________
6. Two groups of micro-organisms that live in colonies: __________________
7. The micro-organism which promote curd formation: __________________
Click on link below to download CBSE Class 8 Science Chapter Wise Question Bank Set E
CBSE Class 8 Science Conservation Of Plants And Animals Assignment Set A |
CBSE Class 8 Science Conservation Of Plants And Animals Assignment Set B |
CBSE Class 8 Science Sound Assignment Set A |
CBSE Class 8 Science Sound Assignment Set B |
CBSE Class 8 Science Sound Assignment Set C |