Biology Sample Paper II For 11th And 12th

5 Questions | Total Attempts: 195

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Biology Sample Paper II For 11th And 12th

Questions and Answers
  • 1. 
    Progesterone in the contraceptive pill-
    • A. 

      Prevents ovulation

    • B. 

      Inhibits estrogen

    • C. 

      Checks attachment of zygote to endometrium

    • D. 

      All of these

  • 2. 
    Which type of cancer affects lymph nodes and spleen-
    • A. 

      Carcinoma

    • B. 

      Sarcoma

    • C. 

      Leukaemia

    • D. 

      Lymphoma

  • 3. 
    Which of the following cells are involved in defence mechanisms-
    • A. 

      Lymphocytes

    • B. 

      Macrophages

    • C. 

      Neutrophils

    • D. 

      All

  • 4. 
    Only plant where ethylene application can successfully induce flowering is-
    • A. 

      Peach

    • B. 

      Banana

    • C. 

      Pineapple

    • D. 

      All above

  • 5. 
    Paraguay tea is obtained from-
    • A. 

      Leaves of Ilex

    • B. 

      Seeds of Paullina

    • C. 

      Leaves of Caltha

    • D. 

      Leavesof Erythroxylon

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