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11th Standard Biology English Medium Free Online Test 1 Mark Questions 2020 - Part Nine

11th Standard

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Biology

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

    Answer all the questions

    10 x 1 = 10
  1. An example of photoautotrophic bacteria is ___________

    (a)

    Nitrosomonas

    (b)

    Nitrobacter

    (c)

    Chlorobium

    (d)

    Spirillum

  2. Growth in non-living objects is _______ .

    (a)

    Intrinsic

    (b)

    Extrinsic

    (c)

    Spiral

    (d)

    Linear

  3. Which one of the following is used in manufacture of alcohol?

    (a)

    Bacteria

    (b)

    Yeast

    (c)

    Virus

    (d)

    Slime mould

  4. The sourness of curd is due to _________ .

    (a)

    acetic acid

    (b)

    galactic acid

    (c)

    lactic acid

    (d)

    lactone

  5. Among Brown algae,____is a fresh water form.

    (a)

    Fucus

    (b)

    Pleurocladia

    (c)

    Dictyota

    (d)

    Ulva

  6. Fucus and Laminaria are rich in_______

    (a)

    Calcium

    (b)

    Vitamin

    (c)

    Nitrogen

    (d)

    Iodine

  7. Who coined the term biodiversity

    (a)

    Walter Rosen

    (b)

    AG Tansley

    (c)

    Aristotle

    (d)

    AP de Candole

  8. 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

  9. Which of the following cranial nerve controls the movement of eye ball ?

    (a)

    Trochlear nerve

    (b)

    Optic nerve

    (c)

    Olfactory nerve

    (d)

    Vagus nerve

  10. Which chlorophyll molecule does not have a phytol tail?

    (a)

    Chl- a

    (b)

    Chl-b

    (c)

    Chl- c

    (d)

    Chl -d

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