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11th Standard Zoology - Organ and Organ Systems in Animals English Medium Free Online Test 1 Mark Questions with Answer Key 2020-2021

11th Standard

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Zoology

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

    Answer all the questions Zoology

    10 x 1 = 10
  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 involved 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

    (c)

    Antennae, ommatidia, maxillary palps, sternum

    (d)

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

  5. Blood glands are seen in ______________

    (a)

    Earthworm

    (b)

    Cockroach

    (c)

    Frog

    (d)

    None of the above

  6. Choose the wrong statement.

    (a)

    Cockroaches are one of the fastest moving land insects.

    (b)

    Anal cerci are seen in male and female cockroaches.

    (c)

    The abdomen of female cockroach consists of 9 segments.

    (d)

    The upper lip of cockroach is called labrum

  7. The excretion in cockroach is said to be _________________

    (a)

    Ammonotelic

    (b)

    Ureotelic

    (c)

    Uricotelic

    (d)

    None of the above

  8. Assertion (A): Maxillary teeth are found in upper jaw of frog.
    Reason (R): Vomerine teeth are seen in lower jaw of frog.

    (a)

    A & R are wrong

    (b)

    R does not explain A

    (c)

    A is right and R is wrong

    (d)

    R explains A.

  9. In earthworm the ___________ acts as the skeleton.

    (a)

    skin

    (b)

    coelomic fluid

    (c)

    setae

    (d)

    nephridia

  10. Identify the wrong statement.

    (a)

    In earthworm gland cells of clitellum form the cocoon.

    (b)

    Cocoons are deposited in the soil

    (c)

    Each cocoon produces baby earthworms

    (d)

    A larva is formed during development

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