science mcq class 10
25 This gives rigidity to the cell
1. cell membrane
2. cell wall
3. nucleus
4. none
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24 This is necessary for the preparation of slide
1. dropper
2. needle
3. cover slip
4. all of the above
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23 The following one is a staining agent .......
1. red ink
2. saffranine
3. methylene blue
4. all of the above
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22 This will result in plants if there are not stomata in terrestrial plants (mostly)
1. no transpiration will occur
2. no exchange of gases will takes place
3. there will be no affect on plants
4. both 1 and b
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