1) The specialized structures of epidermal tissues for performing specific functions are a. stomata and root hairs b. root hairs and cortex c. vascular cambium and root hairs d. root cap and pith
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2) The network of interconnected channels that are extended to the nuclear envelope from the cell membrane is called a. stroma b. lignin c. endoplasmic reticulum d. granum
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3) The ribosomes present in cells are considered as sites of a. oxygen synthesis b. protein synthesis c. carbon formation d. glucose synthesis
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4) The cell nucleus was discovered by Robert Brown in a. 1631 b. 1931 c. 1731 d. 1831
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5) SEM stands for a. scanning electron microscope b. stimulating electron microscope c. sited electron microscope d. simulation electron microscope
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6) Considering types of the electron microscope, the 'SEM' stands for a. super electron microscope b. scanning electron microscope c. server electron microscope d. specific electron microscope
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7) The cardiac muscles are present in the a. wall of heart b. wall of kidneys c. wall of lungs d. wall of esophagus
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8) The ribosomes are disassembled into two units when a. cytoskeleton don't work b. vacuoles don't work c. lysosomes don't work d. ribosomes don't work
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9) The physician Camillo Golgi was awarded the Nobel prize in a. 1910 b. 1906 c. 1920 d. 1909
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10) The kind of meristem which is in the form of small patches among the matured tissues is called a. tertiary meristem b. primary meristem c. secondary meristem d. intercalary meristem
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11) The small openings in the epidermis leaf are called a. nucleotides b. stomatas c. granules d. geraniums
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12) The process of glucose breakdown during cellular respiration is a. organic breakdown b. nucleolus c. dialysis d. glycolysis
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13) The organelles that can be seen under the electron microscope are a. cell organelles b. Deoxyribonucleic Acid (DNA) c. Ribonucleic Acid (RNA) d. all of above
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14) The nervous tissues, muscle tissues, epithelial tissues, and connective tissues are major categories of a. mitotic tissues b. animal tissues c. plant tissues d. meiotic tissues
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15) The function of cuboidal epithelium is a. protection of inner parts b. absorption of secretions c. release of secretions d. movement of materials
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16) The bulkiest cells are a. chloroplasts b. viruses c. bird eggs d. bacteria
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17) The single nucleus striated cell present in cardiac muscles are responsible for a. passing of proteins b. passing of blood c. producing heartbeat d. absorption of secretions
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18) Considering permanent tissues of plants, the function of epidermal tissues is to act as a barrier between internal tissues of plants and a. external tissues of plants b. intercalary meristem c. environment d. apical meristems
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19) The hypotonic solution consists of relatively a. less solute b. more solvent c. less solvent d. more solute
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20) According to cell theory, the new cells arise from a. living cells b. dead cells c. existing cells d. non living things
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21) The muscles whose contraction is not under our control are a. xylem ad epidermal muscles b. skeletal and nerve muscles c. cardiac and smooth muscles d. cardiac and ciliated muscles
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22) The process of ingestion of bulky materials through the infolding of the cell membrane is called a. mitosis b. meiosis c. exocytosis d. endocytosis
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