Tiêu đề 01. THE FUNDAMENTAL UNIT OF LIFE.pdf ✅

TO DOWNLOAD ORIGINAL VERSION OF PDF CONTACT: +919206306398 PER CLASS PDF COST JUST Rs: 500 Only 01. THE FUNDAMENTAL UNIT OF LIFE WORKSHEET 1 (1.) Name the kind of plastid which is important for photosynthesis in leaves of the plants. (1) Chromosomes (2) Chromoplast (3) Chloroplast (4) BOTH (A) and (C) (2.) 1m is ? (1) 4 10 (2) 9 10− (3) 6 10− (4) 6 10 (3.) Name the cell organelles, which contain their own genetic material. (1) Mitochondria (2) Plastids (3) Both A and B (4) None of these (4.) State True or False: The contraction and relaxation of voluntary muscles can be controlled. (1) TRUE (2) FALSE (5.) Feature of prokaryotic cell is: (1) Lack nuclear membrane (2) Lack cytoplasmic organelles (3) Chlorophyll is associated with membranous vesicles (4) ALL OF THE ABOVE (6.) Name the cells which have changing shape? (1) Ant (2) Lysosomes (3) Plant cell (4) Amoeba (7.) Why does viruses form a exception to cell theory? (1) Lack either DNA or RNA (2) Normally reproduce by forming spores (3) Normally reproduce only in host cells (4) Have no cell organelles (8.) Which kind of plastid is more common in leaves of the plant? (1) Chloroplasts (2) Leucoplast (3) Chlorophil (4) None of these (9.) How are chromatin, chromatid and chromosomes related to each other? (1) Chromosomes are made up of chromatids and chromatids are made up of chroamtin. (2) Chromosomes are made up of chromatins and chromatins are made up of chromatid. (3) Chromatins are made up of chromosomes and chromosomes are made up of chromatid. (4) Chromatids are made up of chromatins and chromatins are made up of chromosomes. (10.) Which of the following can be made into crystal? (1) A virus (2) A bacterium (3) Amoeba (4) A sperm (11.) A hereditary unit consisting of a sequence of DNA that occupies a specific location on a chromosome and determines a particular characteristic in an organism is called:
TO DOWNLOAD ORIGINAL VERSION OF PDF CONTACT: +919206306398 PER CLASS PDF COST JUST Rs: 500 Only (1) RNA (2) Nucleus (3) Genes (4) Cell (12.) Who gave the term Golgi apparatus? (1) Camillo Taylor (2) Camillo Golgi (3) Robert Brown (4) Louis Pasteur (13.) Where are proteins synthesised inside the cell? (1) Plasma (2) Chromosomes (3) Ribosomes (4) Lysosomes (14.) Assertion (A) : The cell wall in plants is non-living and freely permeable.Reason (R.) Cell wall in plants provide mechanical strength. (1) Both A and R are true and R is the correct explanation of A. (2) Both A and R are true but R is not the correct explanation of A. (3) A is true but R is false (4) A is false but R is true. (15.) Largest cellular organelle in plants is (1) Plastid (2) Mitochondria (3) Ribosome (4) Nucleus (16.) The history of the cell began in 1665 with the publication of Micrographia in London by (1) Robert Hooke (2) Robert Brown (3) Straburger (4) Dujardin (17.) Which cell organelle is related to ATP? (1) Lysosome (2) Ribosome (3) Chromoplast (4) Mitochondria (18.) The _____ in photosynthetic prokaryotic bacteria is associated with membranous vesicles but not with plastids as in eukaryotic cells. (1) prokaryotes (2) eukaryotes (3) chlorophyll (4) cytoplasm (19.) Which division is called as equational division? (1) Exocytosis (2) Encdocytosis (3) Mitosis (4) Plasmolysis (20.) Who discovered the cell? (1) Robert Hooke (2) Anton von Leeuwenhoek (3) Robert Brown (4) Haeckel
TO DOWNLOAD ORIGINAL VERSION OF PDF CONTACT: +919206306398 PER CLASS PDF COST JUST Rs: 500 Only WORKSHEET 2 (21.) Study the figure given above and answer the following question: What will happen if B cells are kept in hypotonic solution? (1) They will become plasmolysed (2) They will become deplasmolysed (3) Nothing will happen (4) Can't determine (22.) Mitochondria and plastid are _____ membrane structure. (1) Double (2) Single (3) Triple (4) NONE OF THESE (23.) What will happen if a plant cell is placed in a hypertonic solution? (1) The cell will show plasmolysis. (2) The cell will burst. (3) The cell will remain unchanged. (4) It will take up solutes. (24.) In the above figure of an animal cell as observed under an electronic microscope: Name the part labelled as 7. (1) Nuclear membrane (2) nucleoid (3) Nucleoplasm (4) Nucleolus (25.) The spherical, sac-like lysosomes contain powerful digestive enzymes and form the waste disposal system of the cell, are called ______. (1) Suicidal bags (2) Sacs (3) Alveoli (4) Bronchi (26.) If the medium surrounding the cell has a lower water concentration then the cell, the solution is called (1) Isotonic solution (2) Hypertonic solution (3) Hypotonic solution (4) None of these (27.) Cellulose is a protein. (1) TRUE (2) FALSE (28.) Which of the following organelles perform catabolism? (1) Mitochondria (2) Lysosomes (3) Both A and B (4) None of these