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Consider the following statements rela...

Consider the following statements related to Pheretima and select the correct option starting, which one are True (T) and False (F) ?
I. It exhibits closed type of blood vascular system.
II. It lacks specialised breathing device.
III. Typhosole increases the effective area of absorption in intestine.
IV. There are two pair of tests present in 10th and 11 th segments.

A

`{:(I,,II,,III,, IV), (T,,F,,T,,F):}`

B

`{:(I,,II,,III,, IV), (F,,F,,T,,T):}`

C

`{:(I,,II,,III,, IV), (T,,T,,T,,F):}`

D

`{:(I,,II,,III,, IV), (T,,T,,T,,T):}`

Text Solution

Verified by Experts

The correct Answer is:
D
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Knowledge Check

  • Which of the following statements is true for Pheretima?

    A
    It is a dioecious animal with distinct sexual dimorphism
    B
    In it copulation occurs at night in burrow during rainy season,
    C
    It cancopulate throughout the year when ever it rains.
    D
    It cannot travel both backwards and for wards.

  • Consider the folloiwng four statements and select the correct option stating which one are true(T) and which ones are false(F)

    A
    Silivary amylase hydrolyses proteins to amino acids.
    B
    Psancreatic amylase hydrolyses polysaccharides to disaccharides.
    C
    Enteropeoptidase activaes pepsiogen to pesin.
    D
    Trypsin coagulates the milk protein casein

  • Closed blood vascular system found in

    A
    Bombyx
    B
    Sepia
    C
    Balanoglossus
    D
    Ascidia

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