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11th Standard Biology English Medium Free Online Test One Mark Questions with Answer Key 2020 - Part Ten

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. Living organisms constitute __________

    (a)

    Living world

    (b)

    Non-living world

    (c)

    Animal kingdom

    (d)

    Plant kingdom

  3. Curcuma amada, Curcuma domestica, Asparagus, Maranta are example of __________

    (a)

    Tuberous root

    (b)

    Beaded root

    (c)

    Moniliform root

    (d)

    Nodulose root

  4. In Pheretima locomotion occurs with help of ______.

    (a)

    circular muscles

    (b)

    longitudinal muscles and setae

    (c)

    circular, longitudinal muscles and setae

    (d)

    parapodia

  5. 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.

  6. CO2 is transported through blood to lungs as _____.

    (a)

    carbonic acid

    (b)

    oxyhaemoglobin

    (c)

    carbamino haemoglobin

    (d)

    carboxy haemoglobin

  7. 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

  8. The functional unit of a muscle fibre is ______.

    (a)

    sarcomere

    (b)

    sarcoplasm

    (c)

    myosin

    (d)

    actin

  9. Which of the following gland is related with immunity?

    (a)

    Pineal gland

    (b)

    Adrenal gland

    (c)

    Thymus

    (d)

    Parathyroid gland

  10. Induced breeding technique is used in ______.

    (a)

    Marine fishery

    (b)

    Capture fishery

    (c)

    Culture fishery

    (d)

    Inland fishery

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