Page 1 :
qhe Fundamental Unit of Life, , , , , , , , 23, 0 the solar and the, « These are present only in plant cells. The a energy and perform, internal organisation of plastids consists of function of photosynthesis,, sumerous membrane layers embedded in a (vi) Vacuoles, extatel eiled he ctremna, * Thay are torage ns for slide o liquide mich, « Like the mitochondria, it also ‘4s amino acids sugars, organic acid and same, DNA and ribosomes. have thetr own protein., The plastids are of following three types ee eer eneraepaen, food in the form of sarch, protein ant fan 7 aren ie eae ee, ; — ul plastids * In Amoeba, vacuole contains food items known, Sayan here roe 1s food vacuoles., + Chloroplasts are green coloured plastids ‘It also play import roles in expelling excess, ini of chlorophyll wart tencal, Objective Questions, s 6. Match the following columns., 1. The word ‘cell’ is derived from 7 1, oar as A. Robert Hooke 1. Discovery of, (b) Latin word that means’a little room’ nucleus, (c) Greek word that means’s little room’ B. Schleiden and 2., (¢) Latin word that means ‘small box-like Scheena a, I ie C. Robert Brown 3. Cell theory, : _ Exemplar) D. Purkinje 4, Discovered cell, (a) Robert Hooke (b) Purkinje, (c) Leeuwenhoek (d) Robert Brown ware =, 3. The term ‘protoplasm’ was coined by (3 4 1 2, (a) Purkinje (b) Robert Hooke (b)1 7 : ;, {c}Virchow (d) Robert Brown a aa, 4. Cell theory states that cells are, structural and functional unit of Eee ements, (a) plants (b) animals following options., (c) Both (a)and(b) (d) microbes = All cells arise a —e - —, 5. The cell theory was further explained (c) Nuciaus was discovered by Raber Brown, z True : (b) Ealse (d) The nucleus and cytoplasm of a living ceil,, , (c)Cant say (6) Partially true/false altogether form the protoplasm
Page 2 :
24 ~ _CBSE New Pattern » s¢, Xen, |, Gen |, 8. Match the following columns. 14. A cell will swell up if, — = (NCeRr, Column I Column 1 (a) the concentration of water EreMe,, * "hduietnoiiade ae ish, A. Chlamydomonas 1. Mulcelllar organism aemenie corte, B. Prokaryotes 2. having (b) the concentration of Medium,, ee pe erin surrounding mediumis higher eu, C. Fung __3._Unicellular organisms te) pauls Concentration inthe cat, D. Eukaryotes 4. Organisms without a re the concentration of water molec, and, nuclear membrane ain inthe surrounging, Codes {d) concentration of water molecules,, aebcoO matter oes ee, fd3 4 1 2 15., bt 23 4 Match the following columm,, ()2 4 1 3 Column T Cohan, 4 3 2 1 A. Hypotonic solution 1. Cell will shrink, S._Bypotonic station 1. Coll will deh,, 9. The shape and size of cells are related to B. Hypetente 2. Coll will swell wp,, (a)type of cell pee, (bd) function of cell C. Isotonic solution 3. Cell will stay the, (c)length of cell same, (¢) Both(a) and (b), Codes, 10. The only cell organelle seen in Aspe, prokaryotic cell is (NCERT Exemplar) (a3 2 1, (a) mitochondria (b) ribosomes (o)1 2 3, (c) plastids (d}lysosomes (c)3 1 2, (2 1 3, 11. The covering of the cell that, the content of the cell from its external 16. Osmosis is the special case of diffusion, environment is called through a selectively permeable, (a) cell wall (b) cytoplasm membrane., {c} cell membrane (d)nucieus (a) True, (b) False, 12. Diffusion is the process in which (c)Cantt say, substance _— from ~~ a4 (4) Partially true or false, concentration a region ois, concentration. 17. The flexibility of plasma membrane cH, (aAHow, (BHhigh be contributed to the — of, -high. (a) proteins ib, aoe ie (c) nucleic acids (d) Both (aland(v), ne 18. Amoeba acquires its food through 4, 13. Plasma membrane is called as process, termed (NCERT, (a) selectively permeable (a) exocytosis, (b) permeable (b) endocytosis, (c)impermeable (c)plasmolysis, (d) semipermeable {d) Both exocytosis and endocytosis, , ok.
Page 3 :
ne Fundamental Unit of Life, mo, , 19. Select the odd one out., , (a) The movement of water across a semimembrane is affected by the, , amount of substances dissolved in it, , ib) Membranes are made of organic, , ' like proteins and lipids pencaes, , (c) The cell membrane separates the, content of the cell from its external, environment, , (d) The cell membrane allows the movement of, all material across it, , 20. The rigid outer covering in cell is, called cell membrane. a, (a) True, (b) False, (c)Cant say, (¢) Partially true or false, , 21. The cell wall of which out of these is not, made up of cellulose? (NCERT Exemplar), , (a) Bacteria (b) Hydritia, (c}Mango tree (d)Lactus, 22. Plasmolysis in a plant cell is defined as, (a) breakdown (lysis) of plasma membrane in, hypotonic medium, (b) shrinkage of cell content in hypertonic, medium, (c) shrinkage of nucleoplasm, {d) None of the above, 23. The nucleus has a double layered, covering called, (a) cell membrane, (b) nuctear membrane, (c) cell wall, (4) plasma membrane, 24. Chromosomes are made up of, (a) ONA (NCERT Exemplar), {b) Protein, (c)ONA and protein, (a) RNA, 25. Functional of DNA are called, , "(A)._. In a cell which is not dividing,, tne DNAs prsent a 4B. material, , 25, , Choose the correct option for A and B, respectively are, , (a) chromosomes, gene, , (b) gene, chromatin, , (c)chromatin, gene, , (d) chromosomes, chromatin, , , , 26. The undefined nuclear region of, prokaryotes are also known as, i. (NCERT Exemplar), (a)nucteus (b) nucleolus, {c) nucleic acid (d)nucleoid, 27. Cell organelles are present in, (a) cytoplasm, (b) plasma membrane, (c) nucleus, (d)nucleoid, 28. Match the following columns, J Comat Column II, A. Cellulose 1, Cytoplasm, B. Chromosomes 2. Functional, of DNA, C. Cell organelles 3, Plant cell wall, D. Genes 4. Nucleus _, Codes, A Bc oO, fa4 3 2 1, (o)3 4 1 2, ()4 3 1 2, 3 4 2 1, 29. Lipid molecules in the cell are, synthesised by (NCERT Exemplar), , (a) smooth endoplasmic reticulum, (b) rough endoplasmic reticulum, , (c)Golgi apparatus, (d) plastids, , 30. mr endoplasmic reticulum are site, ae, in, ore yer al
Page 5 :
xe pandamental Unit of Life, —_, , 4g. Numerous membrane layer present in, , chloroplasts are called, falcytopiasm (d)leucoplasts, (c}mitochondnia (d) stroma, , 44, Leucoplasts are primarily organelles, which stores, {a)protein granules (bj oils, (c}starch (Gd) All of these, , 4§. Pick out the incorrect statement., (a) Leucoplast is a colourless plastid, , {b) Cell wall is a non-living structure, mainly, composed of cellulose, , {c) Golgi apparatus acts as the site of protein, synthesis, , (a) Protoplasm is a life giving substance of a, cell, , 46. Find out the false statement., (a) Golgi apparatus is involved with the, formation of lysosomes, (b) Nucleus, mitochondria and plastid have, , DNA, hence they are able to make their own, structural proteins, , (c) Mitochondria is said to be the power house, of the cell as ATP is generated in them, (d) Cytopiasm is called as protoplasm, , 47. Storage sacs in and animal cells is, called , la) vacuoles, , (b) Goig: apparatus, (c) mitochondria, , (d) plastids, , 48. Vacuoles are ...(A)... sized in animals, cells, while plant cells have very ...(B)..., vacuoles., , (al4}arge. (8}-smail, (A}-smail, (Barge, (cA}smail, (8}smail, (ci(Abiarge, (Bhiarge, , 49. Select the correct functional role of, vacuole in a cell., , (a) Vacuoles do not help in maintaining rigidity, ot cell, , 27, , {b) Vacuoles form thread-like tail in sperms of, many mammals, , {c) Vacuoles expell excess water and waste, products from the cell, , {d) Vacuoles store only excretory products ofa, cell, , 50. Choose the incorrect statement., , (a) Lysosomes form the garbage disposal, system of animal cells, , (b) Ribosome carries out the synthesis of, proteins, , {c) Liquid content of the vacuole ina plant cell, is called cell sap, , {d) The colourless plastid that stores proteins,, , lipids and starch is named xanthophyil, 51. Match the following columns., Column I Column 0, , A. Miacoede 1), Sete ne, , B. Lysosomes — _2. Protein synthesis:, , C. Vacuoles, D. Ribosomes, , , , 3. Power house of the cell, 4, Suicidal bags, , Codes, A, (a), (b)4, (c)3, (a) 4, , Assertion-Reasoning MCQs, , Direction (Q.Nos. 52-66) For question numbers, two statements are given-one labeled Assertion (A), answer to questions from the codes (a), (b),, por ye . (a), (b), (c), (a) Both A and R are true and R is correct, explanation of the A, (b) Both Aand Rare true, but R is not the correc, explanation of the A ‘, (c) Ais true, but Ris false, (d) Ais false, but Ris true, , wrun@, NWO, , nyrne-5o
