Pearl is secreted around the

  • A

    Mantle layer

  • B

    Foreign particle between prismatic and nacreous layer

  • C

    Foreign particle between mantle and nacreous layer

  • D

    The shell

Similar Questions

Micropropagation is

Which of the following is the pair of biofertilizers ?

  • [AIIMS 2014]

Assertion : In plant tissue culture somatic embryos can be induced from any plant cell.

Reason : Any viable plant cell can differentiate into somatic embryos.

  • [AIIMS 2003]

Assertion $(A)$ : Vernalization is acceleration of subsequent flowering by low temperature treatment.

Reason $(R)$ : Site of vernalization is apical meristem.

  • [AIIMS 2007]

Match following columns.

Column $- I$ Column $- II$
$(a)$ Cross breeding $(x)$ Jaya, Ratna
$(b)$ Interspecific hybridization $(y)$ Saccharum barberi
$(c)$ Better - yielding semi - dwarf varieties $(z)$ Hirsadale
$(d)$ South Indian variety of sugar cane $(w)$ Mule
$(v)$ Saccharum officinarum