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

11th Standard

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Biology

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

    Answer all the questions

    10 x 1 = 10
  1. ______________ is considered to be a new kindgom.

    (a)

    Protista

    (b)

    Chromista

    (c)

    Monera

    (d)

    Plantae

  2. Indicate the correct statement:

    (a)

    Virion is a circular molecule of ss RNA without a capsid

    (b)

    Virion is a phage injects to linear DNA into the host cell

    (c)

    Virion is an intact infective virus particle, which is non - replicating outside a host cell

    (d)

    Virion!s discovered by l.W Randles

  3. The 1nm __________.

    (a)

    10-9 metres

    (b)

    10 -1m

    (c)

    10 -5m

    (d)

    10 -6rn

  4. _______ is an intact infective virus particle which is non - replicating outside a host cell.

    (a)

    Virus

    (b)

    Viroid

    (c)

    Virion

    (d)

    Virusoids

  5. The Bacterial genetic material is referred as __________.

    (a)

    Genophore

    (b)

    Genegun

    (c)

    Gene

    (d)

    Genome

  6. Lichens which grow on Bark of tree __________.

    (a)

    Corticolous

    (b)

    Lignicolous

    (c)

    Tericolous

    (d)

    Saxicolous

  7. Fucus and Laminaria are rich in_______

    (a)

    Calcium

    (b)

    Vitamin

    (c)

    Nitrogen

    (d)

    Iodine

  8. In meiosis crossing over is initiated at

    (a)

    Diplotene

    (b)

    Pachytene

    (c)

    Leptotene

    (d)

    Zygotene

  9. The head region of Cockroach __________________ pairs of _____________ and shaped eyes occur

    (a)

    One pair, sessile compound and kidney shaped

    (b)

    Two pairs, stalked compound and round shaped

    (c)

    Many pairs, sessile simple and kidney shaped

    (d)

    Many pairs, stalked compound and kidney shaped

  10. Serum calcium level is regulated by

    (a)

    Thyroxine

    (b)

    FSH

    (c)

    Pancreas

    (d)

    Thyroid and Parathyroid

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