Ncert – class 9- science-Chapter 5 – The Fundamental Unit of Life 2 Welcome to your Ncert – class 9- science-Chapter 5 – The Fundamental Unit of Life 2 1. Removal of old cell organelles is necessary for the proper functioning of a cell. The old cell organelles are removed by the cell membrane lysosome cell wall mitochondria None 2. Use the following information to answer the next question. Organisms that are made up of many cells are called multi-cellular organisms; whereas organisms that are made up of only a single cell that performs all functions are called unicellular organisms. Which of the following organisms is unicellular? Pine Sundew Amoeba Algae None 3. Match the following with the correct response:(1) Large sized vacuoles(A) Plant cells(2) Swelling of cells(B) Hypertonic solution(C) Endo-osmosis(3) Shrinkage of cell content(C) Endo-osmosis(4) Organelle that control all the activities(D) Nucleus 1-C, 2-B, 3-D, 4-A 1-B, 2-D, 3-A, 4-C 1-A, 2-C, 3-B, 4-D 1-D, 2-A, 3-C, 4-B None 4. The cell membrane is selectively permeable, it can be best deduced by? The entry of water The rise of sap in plants The entry of selective mineral salts Both A and B None 5. All plant cells possess a cell wall. The cell wall of a plant cell performs the function of digestion energy production protection food production None 6. Non-membrane bound cell organelle is? Ribosomes All of these Nucleolus Centrioles None 7. Use the following information to answer the next question. Leaf cells perform photosynthesis, which results in the production of food. In leaf cells, photosynthesis is carried out by the chloroplast lysosome mitochondrion ribosome None 8. Match the following with the correct response: (1) Prokaryotic cells(A) Complete cells(2) Eukaryotic cells(B) Removal of toxic substances(3) Viruses(C) Link between living and non-living(4) Peroxisomes(D) Nucleoid 1-C, 2-B, 3-D, 4-A 1-D, 2-A, 3-C, 4-B 1-A, 2-C, 3-B, 4-D 1-B, 2-D, 3-A, 4-C None 9. Fill in the blank:A tissue is a group of _________ cells performing a specific function. only elongated similar None of the above different None 10. Plasma membrane is called semi-permeable:A. It allows entry of selective substance.B. It does not allow entry of any substance.C. It allows exit of selective substances.D. It allows entry only. C and D B and C A and C All of these None 11. Each organ in the digestive system performs different functions such as Assimilation All of the above Digestion Absorption None 12. From the following, an organelle with ribosomes attached to its surface is: Chloroplast Smooth endoplasmic reticulum Mitochondria Rough endoplasmic reticulum None 13. Function of Endoplasmic Reticulum is/are:A. Synthesis of proteinsB. Transfer of hereditary charactersC. Synthesis of lipidsD. Processing and packaging All of these A, C and D A and C A, B and D None 14. Eukaryotic cells have:A. Distinct nucleusB. NucleolusC. Nuclear membraneD. Nucleoid A, B and D A, B and C B and C All of these None 15. Match the following with the correct response: table { border-collapse: collapse; width: 100%; } th, td { border: 1px solid #dddddd; text-align: left; padding: 8px; } th { background-color: #f2f2f2; }(1) Energy currency of the cell(A) Mitochondria(2) Organelle which releases oxygen(B) Ribosomes(3) Human cells lacking nucleus(C) RBC(4) Synthesis of protein(D) ATP 1-A, 2-C, 3-B, 4-D 1-C, 2-B, 3-D, 4-A 1-D, 2-A, 3-C, 4-B 1-B, 2-D, 3-A, 4-C None 16. Which of the following statement is/are correct:A) Chlorophyll is found in chloroplast.B) Nucleus is surrounded by single membrane called nuclear membrane.C) Plastids are coloured.D) Chloroplast contains DNA. All of these A and D B and C B and D None Time's up Please Share This Share this content Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Leave a Reply Cancel replyCommentEnter your name or username to commentEnter your email address to commentEnter your website URL (optional) Save my name, email, and website in this browser for the next time I comment.
