1) what is the structural and functional unit of life ? a) mitochondria b) cell c) organ d) organism 2) Who discovered the cell? a) Robert hooke b) leeuwenhoek c) Louis Pasteur d) Robert brown 3) what is the powerhouse of the cell a) endoplasmic reticulum b) mitochondria c) Golgi complex d) lysosomes 4) which organ is responsible for proteins synthesis? a) ribosomes b) lysosomes c) Golgi complex d) endoplasmic reticulumendoplasmic reticulum 5) what is the function of lysosomes? a) Protein synthesis b) cellular respiration c) digestion of cellular waste d) storage of genetic material 6) which type of cells lack a well defined nucleus ? a) prokaryotic cell b) eukaryotic cell c) plant cell d) animal cell 7) what is the function of Golgi apparatus? a) Protein synthesis b) lipid synthesis c) packaging and modification of proteins d) production of energy 8) vicharganel responsible for photosynthesis? a) chloroplast b) leucoplast c) mitochondria d) endoplasmic reticulum 9) what is plasmolysis? a) case of cytoplasm in hypertonic solution b) swelling of cytoplasm in hypotonic hypotonic solution c) breakdown of plasma membrane d) none of these 10) plastids are absent in a) plant cell b) animal cell c) both the cells 11) who discovered nucleus a) Robert hooke b) Robert brown c) Louis Pasteur d) Abdul Kalam 12) what is the main function of cell wall a) protection and support b) Protein synthesis c) energy production d) storage of genetic 13) which type of cells has a well defined in nucleus? a) prokaryotic cell b) eukaryotic cell c) plant cell d) animal cell 14) what is the function of endoplasmic reticulum? a) Protein synthesis b) lipid synthesis c) detoxification d) all the above 15) which type of cells has a large vacuole ? a) animal cell b) plant cell c) both plant and animal cells d) neither plant and nor animal cell

CELL-THE BASIC UNIT IF LIFE

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