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BASIC SCIENCE STD7 ONLINE OUIZ UNIT 1
PREPARED BY JITHIN RS
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ONLINE QUIZ
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NAME *
CLASS & DIVISION *
SCHOOL *
 1 .Peel off one centimetre of bark from the branch stem of a mother plant in circular shape . This is done for which of the following propagation * *
1 point
2. The name of the plant with roots to which the other plant is joined in grafting is called as *
1 point
 3. The technique of vegetative propagation in which branches are joined together to produce a new plant is called * *
1 point
4. The method for producing seeds with desirable qualities by artificial pollination * *
1 point
5. The Central Tuber Crops Research Centre is situated at *
1 point
6. A number of plants can be developed from a single tissue through this technology *
1 point
7. ........... is a hybrid variety coconut *
1 point
8. Plants without tap root are obtained by : *
1 point
9. An element Which is essential for the growth of plants *
1 point
10. The bacteria which converts atmospheric nitrogen in to nitrates *
1 point
11. The cultivation of different crops one after other in same field is called ..... *
1 point
12. ...... is  a chemical pesticide *
1 point
13. The combined use of plants and animals the farm land is called ..... *
1 point
14. ......is a bio fertilizer *
1 point
15. Priyanka is an hybrid variety of ......... *
1 point
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