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Which one of the following statements is...

Which one of the following statements is not true regarding sporopollenin?

A

Sporopollenin is contrubuted by both pollen cytoplasm and tapetum

B

It helps the pollen to withstand against strong acid

C

Sporopolenin derived from phycobilins

D

It helps pollen during lond period repservation in fossil deposits.

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Knowledge Check

  • Which one of the following statement is true?

    A
    A scalar quantity is conserved in a process
    B
    A scalar quantity does not vary from one point to another in space
    C
    A scalar quantity can never take -ve values
    D
    A scalar quantity has only magnitude and no direction

  • Which of the following statements is not true ?

    A
    On passing `H_(2)S`, through acidified `K_(2)Cr_(2)O_(7)` solution, a milky colour is observed.
    B
    `Na_(2)Cr_(2)O_(7)` is preferred over `K_(2)Cr_(2)O_(7)` in volumetrie analysis
    C
    `K_(2)Cr_(2)O_(7)` solution in acidic medium is orange in colour.
    D
    `K_(2)Cr_(2)O_(7)` solution becomes yellow on increasing the `p^(H)` beyond 7.

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