Which of the following statements is not...

Which of the following statements is not correct about earthworm?

It shows metamerism, and the number of segments varies from 100-120

The first segment at the anterior end of the body is called as the 'buccal segment' for peristomilus

The first segment is prostomium

the skin of earthworm is brown due to the presence o porphyrin

Verified by Experts

The correct Answer is:

The first segment is prostomium

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TEST 1
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Which of the following statements is not correct about methanol ?

It is used for drinking purposes .

It is highly poisonous compound .

It can be prepared by reduction of formaldehyde with `LiAlH_4`

It is miscible with water in all proportions .

They are generally soft and easily compressible

They are good conductors of electricity as the electrons are delocalised in the bonds

They have low melting and boiling points

They consist of polar or non-polar molecules .

The order of a reaction can be a fractional number.

Order of a reaction is experimaentally determined quantity

The order or a reaction is always equal to the sum of the stoichiometic coefficients of reactants in the balanced chemical equaiton for a reaction.

The order of a reaction is the sum of the powers of molar concentration of the reactants in the rate law expression.