class 10 science chapter 1 mcq
34 Robert Hooke observed cells in the cork of tree
1. oak
2. neem
3. mango
4. all of the above
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33 Nucleus was first observed by .....
1. robert hooke
2. robert brown
3. charles
4. janssen
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32 Brown claimed that the integral part of the cell is
1. cell wall
2. cytoplasm
3. stomata
4. nucleus
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31 Nucleus was first observed in the leaves of
1. orchid
2. oak
3. wheat
4. rice
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30 The jelly like substance between nucleus and cell membrane
1. cytoplasm
2. cell organelles
3. nucleoli
4. all of the above
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29 unicellular organism is
1. bacteria
2. Chlamydomonas
3. amoeba
4. all of the above
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27 Example for multicellular organism
1. amoeba
2. euglena
3. hydra
4. paramecium
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26 Robert hooke discovered the cell in
1. grass leaves
2. slices of cork
3. leaves of orchids
4. leaves of rose
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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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