MCQ Class 9 Science Exploration Chapter 2 Cell: The Building Block of Life Advertisement 1. Contact inhibition means Cells die Cells stop dividing when touching Cells grow faster Cells moveQuestion 1 of 202. Cancer cells show Controlled division No division Uncontrolled division Slow divisionQuestion 2 of 203. Thermophiles are Cold-loving Heat-loving Water-loving Air-lovingQuestion 3 of 204. Electron microscopes use Light Sound Electrons HeatQuestion 4 of 205. Cytoskeleton helps in Digestion Structure and movement Photosynthesis RespirationQuestion 5 of 206. Nucleolus forms DNA Ribosomes Proteins LipidsQuestion 6 of 207. Chromatin converts into DNA Chromosomes RNA ProteinQuestion 7 of 208. Bacterial cells are Eukaryotic Prokaryotic Multicellular Tissue-levelQuestion 8 of 209. Prokaryotic DNA is present in Nucleus Nucleoid Cytoplasm VacuoleQuestion 9 of 2010. Plastids are found in Animals Plants Bacteria Fungi onlyQuestion 10 of 2011. Stroma is present in Mitochondria Chloroplast Nucleus GolgiQuestion 11 of 2012. ATP is produced in Nucleus Lysosome Mitochondria RibosomeQuestion 12 of 2013. Cell sap is found in Cytoplasm Vacuole Nucleus ERQuestion 13 of 2014. Osmosis occurs through Fully permeable membrane Selectively permeable membrane Cell wall CytoplasmQuestion 14 of 2015. Isotonic solution has Higher solute Lower solute Equal solute No soluteQuestion 15 of 2016. Hypertonic solution causes cell to Swell Burst Shrink DivideQuestion 16 of 2017. Hypotonic solution causes cell to Shrink Swell Die DivideQuestion 17 of 2018. Which organelle is responsible for modifying and packaging proteins for transport? Ribosome Golgi apparatus Mitochondria LysosomeQuestion 18 of 2019. Which structure helps increase the surface area inside mitochondria for energy production? Stroma Cristae Nucleolus CytoskeletonQuestion 19 of 2020. What is the primary function of lysosomes in a cell? Protein synthesis Energy production Digestion of waste materials Storage of waterQuestion 20 of 20 Loading...
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