MCQ Chapter 12 General Science Class 7 Maharashtra Board MCQ For All Chapters – General Science Class 7The Muscular System and Digestive System in Human Beings 1. What is the primary characteristic of all living organisms? Tissue organization Cellular organization Organ system complexity Genetic variationQuestion 1 of 202. Who named the hexagonal compartments observed in cork as ‘cells’? Anton van Leeuwenhoek Robert Hooke Theodore Schwann Rudolph VirchowQuestion 2 of 203. What did Schleiden and Schwann state about cells in 1838? Cells are only in animals All living organisms are made of cells Cells form spontaneously Cells lack organellesQuestion 3 of 204. Who first observed live bacterial cells under a microscope? Robert Hooke M. J. Schleiden Anton van Leeuwenhoek Rudolph VirchowQuestion 4 of 205. What unit is equivalent to 1000 nanometres? Centimetre Millimetre Micrometre KilometreQuestion 5 of 206. What is used to stain onion cells in the observation experiment? Water Iodine or eosin Salt solution Sugar syrupQuestion 6 of 207. What determines the shape of a cell? Its size Its function Its age Its locationQuestion 7 of 208. Which microscope can magnify images up to two billion times? Compound microscope Simple microscope Electron microscope Magnifying lensQuestion 8 of 209. What gives plant cells a definite shape? Plasma membrane Cell wall Cytoplasm NucleusQuestion 9 of 2010. Which organelle is the outermost covering of animal cells? Cell wall Plasma membrane Cytoplasm VacuoleQuestion 10 of 2011. What occupies the space between the plasma membrane and nucleus? Cell wall Cytoplasm Mitochondrion Golgi bodyQuestion 11 of 2012. Which organelle controls all functions of the cell? Mitochondrion Nucleus Endoplasmic reticulum LysosomeQuestion 12 of 2013. What is the function of mitochondria in a cell? Protein distribution Energy production Photosynthesis Waste removalQuestion 13 of 2014. Which organelle carries out photosynthesis in plant cells? Chloroplast Vacuole Golgi body LysosomeQuestion 14 of 2015. What type of cells have a single large vacuole? Animal cells Plant cells Prokaryotic cells Bacterial cellsQuestion 15 of 2016. What are organisms that can only be seen under a microscope called? Macro-organisms Micro-organisms Multicellular organisms EukaryotesQuestion 16 of 2017. Where are micro-organisms not found according to the document? Air Water Soil None of the aboveQuestion 17 of 2018. What grows on moist bread after 3-4 days? Bacteria Fungus Algae ProtozoaQuestion 18 of 2019. What is the size of a paramoecium? 28 nanometres 1 to 3 micrometres About 100 micrometres 1000 micrometresQuestion 19 of 2020. Which type of cell lacks membrane-bound organelles? Eukaryotic Prokaryotic Plant cell Animal cellQuestion 20 of 20 Loading...
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