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In Serpent Star, the lower side contains...

In Serpent Star, the lower side contains

A

Anus and madreporite

B

Anus only

C

Mouth and madreporite

D

Mouth only

Text Solution

Verified by Experts

The correct Answer is:
C
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A tapping vessel opens in a tank like container that is tapering on the lower side. The tank has an outlet for water on the upper side and a water inlet on the lower side. Finely ground ore is released in the tank. A forceful jet of water is introduced in the tank from lower side and gangue particles and pure ore are separated by this method. The above description is of which gravitation separation method?

A tapping vessel opens in a tank like container that is tapering on the lower side. The tank has an outlet for water on the upper side and a water inlet on the lower side. Finely ground ore is released in the tank. A forceful jet of water is introduced in the tank from lower side and gangue particles and pure ore are separated by this method. i. The above description is of which gravitation separation method? ii. Draw labelled diagram of this method.

Knowledge Check

  • In Star Fish the upper side contains

    A
    Mouth
    B
    Mouth and ambulacral grooves
    C
    Anus
    D
    Anus and madreporite.

  • Assertion : Cuticel is also present in lower epidermal region of the leaf. Reason : The lower epidermis contains a large numbers of stomata.

    A
    If both the assertion and the reason are true and the reason is a correct explanation of the assertion
    B
    If both the assertion and reason are true but the reason is not a correct explanation of the assertion
    C
    If the assertion is true but the reason is false
    D
    If both the assertion and reason are false

  • Sea Star is

    A
    Asterias
    B
    Ophiothrix
    C
    Antedon
    D
    Echinus.

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