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11th Standard Biology English Medium Free Online Test Book Back One Mark Questions

11th Standard

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Biology

Time : 00:10:00 Hrs
Total Marks : 10

    Answer all the questions

    10 x 1 = 10
  1. Identify the Archaebacterium

    (a)

    Acetobacter

    (b)

    Erwinia

    (c)

    Treponema

    (d)

    Methanobacterium

  2. When the root is thick and fleshy, but, does not taken a definite shape, it said to be

    (a)

    Nodulose root

    (b)

    Tuberous root

    (c)

    Monilliform root

    (d)

    Fasiculated root

  3. Phylogenetic classification is the most favoured classification because it reflects

    (a)

    Comparative Anatomy

    (b)

    Number of flowers produced

    (c)

    Comparative cytology

    (d)

    Evolutionary relationships

  4. Which of the following is not present on same rank?

    (a)

    Primata

    (b)

    Orthoptera

    (c)

    Diptera

    (d)

    Insecta

  5. The limbless amphibian is 

    (a)

    Icthyophis

    (b)

    Hyla

    (c)

    Rana

    (d)

    Salamander

  6. Presence of gills in the tadpole of frog indicates that

    (a)

    fishes were amphibious in the past

    (b)

    fishes involved from frog -like ancestors

    (c)

    frogs will have gills in future

    (d)

    frogs evolved from gilled ancestor

  7. Enterokinase takes part in the conversion of

    (a)

    Pepsinogen into pepsin

    (b)

    Trypsinogen into trypsin

    (c)

    Protein into polypeptide

    (d)

    Caseinogen into casein

  8. The Tidal Volume of a normal person is

    (a)

    800 mL

    (b)

    1200 mL

    (c)

    500 mL

    (d)

    1100 - 1200 mL

  9. Dub sound of heart is caused by

    (a)

    Closure of atrio-ventricular valves

    (b)

    Opening of semi-lunar valves

    (c)

    Closure of semi -lunar values

    (d)

    Opening of atrio-ventricular valves

  10. The type of movement exhibits by the macrophages are

    (a)

    flagellar

    (b)

    ciliary

    (c)

    muscular

    (d)

    amoeboid

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