ICSE Class 9 Cell, the Unit of Life — practice questions
20 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice ICSE Class 9 Cell, the Unit of Life in the app →Cell theory in 1839 was first proposed byMitochondria are commonly called theWhich structure is present in plant cells but absent in animal cells?The hereditary material in the nucleus is organised inLysosomes are nicknamed 'suicide bags' because theyWhich feature is unique to prokaryotic cells compared with eukaryotic?Which plastid is responsible for the green colour of leaves?Which of the following best describes the plasma membrane?Which organelle has rough and smooth forms?Selina says the cells of an elephant and a rat areWhich organelle is double-membraned?The third postulate of cell theory, added by Virchow, states thatThe fluid inside a permanent plant vacuole is calledCells stay small mainly to maintainWhich feature is found in animal cells but not plant cells?Protein synthesis in the cell takes place atInside the nucleus, the nucleolus mainly producesWhich elements form most of the protoplasm?The plasma membrane is selectively permeable because itGolgi apparatus is closely linked with