Raphides are needle-like crystals made up of

  • A
    Calcium carbonate
  • B
    Calcium sulphate
  • C
    Calcium oxalate
  • D
    Calcium pectate

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Similar Questions

In pea plant $........$ inflorescence and $........$ flower is present.

Match the plants in Column-$I$ with their specific floral characteristics in Column-$II$. Select the correct option.
Column-$I$Column-$II$
$(A)$ Hibiscus$(p)$ Thalamus disc-shaped
$(B)$ Lemon$(q)$ Ovary inferior
$(C)$ Rose$(r)$ Thalamus dome-shaped
$(D)$ Sunflower$(s)$ Perianth
$(E)$ Bougainvillea$(t)$ Thalamus cup-shaped
$(u)$ Ovary superior

Match the following columns:
Column-$I$ Column-$II$
$(A)$ Inferae $(i)$ Hibiscus
$(B)$ Heteromerae $(ii)$ Lemon
$(C)$ Bicarpellatae $(iii)$ Sunflower
$(D)$ Thalamiflorae $(iv)$ Madhuca
$(E)$ Calyciflorae $(v)$ Catharanthus
$(vi)$ Rose

Placentation in the given figure is found in which plant?

Which of the following is a characteristic of monocots?

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