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1) The cells were first described by Robert Hooke is a. 1765 b. 1965 c. 1865 d. 1665
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2) The cells that transmit the nerve impulses are a. nerve cells b. root hair cells c. red blood cells d. granum cells
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3) The fine-thread like the structure of chromosomes during interphase is classified as a. microtubules b. radii c. chromatin d. nuclei
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4) The example of a hyper solution is a. hydrochloric acid b. nitric acid c. freshwater d. seawater
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5) The muscles that have involuntary action are a. smooth and skeletal muscles b. cardiac and smooth muscles c. skeletal and cardiac muscles d. squamous and ciliated muscles
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6) The sclerenchyma tissues found in plants are composed of a. rigid primary cell walls b. thickened secondary cell walls c. rigid secondary cell walls d. thickened primary cell walls
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7) The types of microscopes are a. proton microscope b. electron microscope c. light microscope d. none of above
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8) The types of tissues can be divided based on a. shape of cells only b. number of cell layers only c. shape of spindle fibers d. shape of cells and number of cell layers
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9) The increase in the size of a particular object is classified as a. up gradation b. magnification c. termination d. recognition
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10) The cuboidal epithelium tissue which is composed of a single layer of cube-shaped cells is found in a. external ear and nose b. urinary bladder and alimentary canal c. small glands and kidney tubes d. blood vessels and heart
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11) The kind of endoplasmic reticulum to which large numbers of ribosomes are attached is called a. rough endoplasmic reticulum b. smooth endoplasmic reticulum c. soft endoplasmic reticulum d. none of above
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12) The cholesterol is present in the lipid bilayer of a. sporophyte b. gametophyte c. prokaryotic cells d. eukaryotic cells
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13) The peptidoglycan is the composition of a. salts and sugars b. amino acids and salt c. sugars and amino acids d. nitric acid and salts
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14) The diffusion process is useful for gaseous exchange in a. capillaries and arteries b. lungs and gills c. blood cells d. blood cells and capillaries
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15) The division of apical meristems leads to the a. decrease in vascular cambium b. increase in plant length c. decrease in plant length d. increase in vascular cambium
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16) The epidermal tissues present in leaves and stems are responsible for secretion of a. lignin b. cutin c. tubulin d. actin
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17) The double membrane organelle which is found in eukaryotic cells is a. cell membrane b. ribosomes c. nucleus d. mitochondria
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18) The concentration environment of guard cells during day time is called a. hypotonic environment b. isotonic environment c. toning environment d. hypertonic environment
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19) The pigment which is necessary for the process of photosynthesis is called a. chlorophyll b. glucose c. carbon d. glycogen
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20) The most common chemical of the primary wall is a. nucleolus b. cellulae c. cellulose d. cellulite
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