BIOLOGY TIMES — January 2018

(ff) #1

  1. At the time of birth, presence of which antibody
    indicates the infection of foetus (Intrauterine
    infection)
    (a) IgG (b) IgD (c) IgM (d) Ig A

  2. Mark out correct and incorrect statements
    (a) Synaptic cleft of neurons secrete adrenaline
    (b) Myelinated nerve fibres are enveloped with

    Schwann cells that secrete myelin sheath
    around axon.
    (c) Non-myelinated nerve fibres are enclosed

    by Schwann cells that do not form
    myelin sheath.
    (d) Spinal cord and cranial nerves are made of


non-myelinated  nerve   fibres.
(a) A, B, C correct, D incorrect
(b) C, D correct, A and B incorrect
(c) A, B correct , C and D incorrect
(d) B, C correct, A and D incorrect


  1. Which of the following is a slime mould?
    (a) Physarum (b) Thiobacillus
    (c) Anabaena (d) Rhizopus

  2. Mammalian pinna is supported by
    (a) Hyaline cartilage
    (b) Calcified cartilage
    (c) Elastic cartilage
    (d) White fibrous connective tissue

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