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35. Human RBCs are about, , 37., , yum in, diameter [NCERT Pg. 127], (1) 3-5, , (2) 0.3, , (3) 10, , (4) 7, , . Multiplication rate will be maximum in, , [NCERT Pg. 127], (1) Red blood cell, (2) Bacterium, (3) Amoeba, (4) Paramoecium, Polysomes are formed in, [NCERT Pg. 129], , (1) Cytoplasm of both eukaryotes and, prokaryotes, , (2) Nucleoplasm of eukaryotes, (3) Cytoplasm of prokaryotes only, , (4) Both nucleoplasm and cytoplasm of, eukaryotes, , . The cell organelles in animals which are not, , bound by any membrane are, [NCERT Pg. 136, 137], (1) Ribosome and gas vacuole, (2) Centrosome and chromatophore, (3) Ribosome and peroxisome, , (4) Centrosome and ribosome, , 39., , 40., , 41., , 42., , Hydrophobic tails of all the lipid molecules in, plasma membrane are towards the, , [NCERT Pg. 131], (1) Outer side of the membrane, (2) Outer side of cell surface, (3) Inner part of membrane, (4) Cytoplasm of the cell, , Flat disc-shaped structures of, apparatus are concerned with, , [NCERT Pg. 133, 134], (1) Synthesis of amino acids, , Golgi, , (2) Increasing the surface area for protein, synthesis, , (3) Break down of lipids, (4) Modification of proteins, , Membrane of the cell organelle that has the, enzymes such as lipases, proteases and, carbohydrases is the parts of the, , [NCERT Pg. 134], (1) Vacuole and peroxisome, (2) Member of endomembrane system, (3) Mitochondrion and Golgi apparatus, (4) Amyloplast and leucoplast, , Identify the following as true (T) or false(F), and choose the option accordingly., , A. Plant vacuoles have more, concentration of ions than that of, cytoplasm., , B. In plant cells, contractile vacuoles are, important for excretion., , 43., , 45., , C. Food vacuoles are also Memb,, bound structures. [NCERT Pg *, A B Cc ", , (1) T F F, , (2) T F T, , (3) F F T, , (4) T T F, , Which of the following functions is ny, performed by mitochondria?, , [NCERT Pg, 135, (1) Synthesis of protein, (2) Conversion of light energy into chemica, energy, (3) Division by fission, (4) Production of cellular energy, In mitochondria, enzymes are present, [NCERT Pg. 135, , (1) In both outer and inner membranes 4, well as in matrix, , (2) Only in inner membrane, , (3) Only in matrix, , (4) Only between outer and inne, membranes, In potato tuber, starch is stored, [NCERT Po. 195, , (1) Around the chloroplasts, , (2) In the inter-cellular spaces, , (3) In the specific plastids, , (4) In the cytosol in the form of colloids