ETEA PAST PAPER 2020 ( PART 15 ) 1. In which type of cell, Cell wall is not present? Plant cells Liver cells Bacterial cells Fungal cells 2. 70S size ribosomes are found in the cells of Protozoans Algae Bacteria Fungi 3. According to the fluid mosaic model of cell membrane, which zone is embedded inside? Hydrophilic Hydrophobic Globular Filamentous 4. The membrane separating the vacuole from cytoplasm is called Vacuolar membrane Cristae Cisternae Tonoplast 5. Select the one which is not a function of smooth endoplasmic retidulum (SER)? Transmission of impulses Processing of glycoproteins Transport of materails Metabolism of lipids 6. Which of the following organelles are involved in the synthesis of plant cell walls? Peroxisomes Lysosomes Endoplasmic reticulum Golgi complex 7. Which property of water helps to maintain the integrity of cell membranes? Cohesion and adhesion Hydrophobic exclusion Hydrogen bonding Specific heat capacity 8. Water act as universal solvent because of Hydrogen bonding Heat of vaporization High polarity Cohesion and adhesion 9. Lipids store double amount of energy as compared to carbohydrates because of High C-O ratio High proportion of C-H High proportion of oxygen Low proportion of carbon 10. Which of the following is an unsaturated fatty acid? Acetic acid Oleic acid Palmitic acid Butyric acid Loading … Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
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