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11th Standard English Medium Biology (Zoology) Subject Organ and Organ Systems in Animals Book Back 1 Mark Questions with Solution Part - II

11th Standard

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Biology

Time : 01:00:00 Hrs
Total Marks : 10

    1 Marks

    5 x 1 = 5
  1. How many abdominal segments are present in male and female Cockroaches?

    (a)

    10, 10

    (b)

    9, 10

    (c)

    8, 10

    (d)

    9,9

  2. Buccopharyngeal respiration in frog ______.

    (a)

    is increased when nostrils are closed

    (b)

    Stops when there is pulmonary respiration

    (c)

    is increased when it is catching fly

    (d)

    stops when mouth is opened.

  3. Presence of gills in the tadpole of frog indicates that _______.

    (a)

    fishes were amphibious in the past

    (b)

    fishes evolved from frog -like ancestors

    (c)

    frogs will have gills in future

    (d)

    frogs evolved from gilled ancestor

  4. Which of the following are the sense organs of Cockroach?

    (a)

    Antennae, compound eyes, maxillary palps, anal cerci

    (b)

    Antennae, compound eye, maxillary palps and tegmina

    (c)

    Antennae, ommatidia, maxillary palps, sternumv and anal style

    (d)

    Antennae, eyes, maxillary palps, and tarsus of walking legs and coxa

  5. State whether the statement is true or false
    To sustain themselves, earthworms must guide their way through the soil using their powerful muscles. They gather nutrients by ingesting organic matter and soil, absorbing what they need into their bodies.The two ends of the earthworm can equally ingest soil.

    (a)

    True

    (b)

    False

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