Biology - Questions (Section-1)
55Movements due to light are shown by
A. flowering plantsB. lower plants
C. all land plants D. all the plants
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56Organic Substances which, in very small amounts, control growth and development called
A. vitaminsB. hormones
C. enzymes D. None of the above
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57Our major foods, fibres, spices, fruits and beverage crops are
A. flowering plantsB. gymnosperms plants
C. pteridophytes D. bryophytes
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58Outer covering of virus made up of protein is
A. capsidB. coat
C. virion D. viriod
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59Radioactivity is a phenomenon of the spontaneous emission of
A. protons (alpha particles)B. electrons (beta particles)
C. gamma rays (short wave electromagnetic waves) D. All of the above
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60Radish is a
A. bulbB. conn
C. modified root D. tuber
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