Biology (Objective) (Pages :32)

  • 931 Plants are killed in winter by frost?

    Ans : because of desiccation and mechanical damage to the tissues
  • 932 Pulses are a good source of?

    Ans : proteins
  • 933 Oxygen in our blood is transported by a protein named?

    Ans : haemoglobin
  • 934 Nymph is the name of young one of?

    Ans : cockroach
  • 935 Plants that grow under average temperature and moisture are called?

    Ans : mesophytes
  • 936 Oxyreductases; transferases; hydrolases; lyases; isomerases and ligases are all classes of?

    Ans : enzymes
  • 937 Mutation is?

    Ans : a change that is inherited
  • 938 Pollination by wind is called?

    Ans : anemophily
  • 939 Pollen grains in plants are produced in?

    Ans : flower
  • 940 Ptyalin is an enzyme produced in the?

    Ans : salivary glands
  • 941 Mycobacterium leprae causes leprosy; Corynebacterium diphtheria causes diphtheria and Vibrio comma causes?

    Ans : cholera

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